问一下，Forwarding to error page from request[/login] due to exception [null]

糖钰嘞 2019-10-12 04:16:15

问一下，在tomcat环境下面项目没有问题，但是在金蝶上面会报这个错ErrorPageFilter：Forwarding to error page from request[/login] due to exception [null]
java.lang.NullPointerException:null,
项目是springboot（本地环境是tomcat8.0+java1.8+mysql）（生产环境是ApusicV9.0+java1.8+Kingbase）
所有的get、post请求都是这个错误，

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切换为时间正序

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糖钰嘞 2019-10-14

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从springboot框架、过滤器、ajax、还有其他可能导致问题的地方细致排查，也向厂商询问了Apusic策略影响，最终确认是Apusic存在这方面的隐患，由于该版本不是市面公开版本，是向厂商定制版本，所以在问题方面可能存在特异性，问题在更换apusic.jar后问题得到解决。该文件位置为AAS-V9.0/lib/apusic.jar，在有时间的情况下研究该问题发生的场景，再来详细更新

oh_Maxy 2019-10-12

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空指针异常，可以看下异常堆栈，看看那个地方的对象为空，什么原因导致的。

qybao 2019-10-12

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比较一下tomcat和金蝶的配置上有啥区别，感觉好像是什么路由问题导致没能进入/login页面

Overview Package Class Tree Deprecated Index Help PREV NEXT FRAMES NO FRAMES A B C D E F G H I J L P R S U V -------------------------------------------------------------------------------- A addCookie(Cookie) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call addCookie(Cookie cookie) on the wrapped response object. addCookie(Cookie) - Method in interface javax.servlet.http.HttpServletResponse Adds the specified cookie to the response. addDateHeader(String, long) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call addDateHeader(String name, long date) on the wrapped response object. addDateHeader(String, long) - Method in interface javax.servlet.http.HttpServletResponse Adds a response header with the given name and date-value. addHeader(String, String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to return addHeader(String name, String value) on the wrapped response object. addHeader(String, String) - Method in interface javax.servlet.http.HttpServletResponse Adds a response header with the given name and value. addIntHeader(String, int) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call addIntHeader(String name, int value) on the wrapped response object. addIntHeader(String, int) - Method in interface javax.servlet.http.HttpServletResponse Adds a response header with the given name and integer value. attributeAdded(HttpSessionBindingEvent) - Method in interface javax.servlet.http.HttpSessionAttributeListener Notification that an attribute has been added to a session. attributeAdded(ServletContextAttributeEvent) - Method in interface javax.servlet.ServletContextAttributeListener Notification that a new attribute was added to the servlet context. attributeAdded(ServletRequestAttributeEvent) - Method in interface javax.servlet.ServletRequestAttributeListener Notification that a new attribute was added to the servlet request. attributeRemoved(HttpSessionBindingEvent) - Method in interface javax.servlet.http.HttpSessionAttributeListener Notification that an attribute has been removed from a session. attributeRemoved(ServletContextAttributeEvent) - Method in interface javax.servlet.ServletContextAttributeListener Notification that an existing attribute has been removed from the servlet context. attributeRemoved(ServletRequestAttributeEvent) - Method in interface javax.servlet.ServletRequestAttributeListener Notification that a new attribute was removed from the servlet request. attributeReplaced(HttpSessionBindingEvent) - Method in interface javax.servlet.http.HttpSessionAttributeListener Notification that an attribute has been replaced in a session. attributeReplaced(ServletContextAttributeEvent) - Method in interface javax.servlet.ServletContextAttributeListener Notification that an attribute on the servlet context has been replaced. attributeReplaced(ServletRequestAttributeEvent) - Method in interface javax.servlet.ServletRequestAttributeListener Notification that an attribute was replaced on the servlet request. -------------------------------------------------------------------------------- B BASIC_AUTH - Static variable in interface javax.servlet.http.HttpServletRequest String identifier for Basic authentication. -------------------------------------------------------------------------------- C CLIENT_CERT_AUTH - Static variable in interface javax.servlet.http.HttpServletRequest String identifier for Client Certificate authentication. clone() - Method in class javax.servlet.http.Cookie Overrides the standard java.lang.Object.clone method to return a copy of this cookie. containsHeader(String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call containsHeader(String name) on the wrapped response object. containsHeader(String) - Method in interface javax.servlet.http.HttpServletResponse Returns a boolean indicating whether the named response header has already been set. contextDestroyed(ServletContextEvent) - Method in interface javax.servlet.ServletContextListener Notification that the servlet context is about to be shut down. contextInitialized(ServletContextEvent) - Method in interface javax.servlet.ServletContextListener Notification that the web application initialization process is starting. Cookie - class javax.servlet.http.Cookie. Creates a cookie, a small amount of information sent by a servlet to a Web browser, saved by the browser, and later sent back to the server. Cookie(String, String) - Constructor for class javax.servlet.http.Cookie Constructs a cookie with a specified name and value. -------------------------------------------------------------------------------- D destroy() - Method in interface javax.servlet.Filter Called by the web container to indicate to a filter that it is being taken out of service. destroy() - Method in interface javax.servlet.Servlet Called by the servlet container to indicate to a servlet that the servlet is being taken out of service. destroy() - Method in class javax.servlet.GenericServlet Called by the servlet container to indicate to a servlet that the servlet is being taken out of service. DIGEST_AUTH - Static variable in interface javax.servlet.http.HttpServletRequest String identifier for Digest authentication. doDelete(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Called by the server (via the service method) to allow a servlet to handle a DELETE request. doFilter(ServletRequest, ServletResponse) - Method in interface javax.servlet.FilterChain Causes the next filter in the chain to be invoked, or if the calling filter is the last filter in the chain, causes the resource at the end of the chain to be invoked. doFilter(ServletRequest, ServletResponse, FilterChain) - Method in interface javax.servlet.Filter The doFilter method of the Filter is called by the container each time a request/response pair is passed through the chain due to a client request for a resource at the end of the chain. doGet(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Called by the server (via the service method) to allow a servlet to handle a GET request. doHead(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Receives an HTTP HEAD request from the protected service method and handles the request. doOptions(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Called by the server (via the service method) to allow a servlet to handle a OPTIONS request. doPost(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Called by the server (via the service method) to allow a servlet to handle a POST request. doPut(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Called by the server (via the service method) to allow a servlet to handle a PUT request. doTrace(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Called by the server (via the service method) to allow a servlet to handle a TRACE request. -------------------------------------------------------------------------------- E encodeRedirectUrl(String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to return encodeRedirectUrl(String url) on the wrapped response object. encodeRedirectUrl(String) - Method in interface javax.servlet.http.HttpServletResponse Deprecated. As of version 2.1, use encodeRedirectURL(String url) instead encodeRedirectURL(String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to return encodeRedirectURL(String url) on the wrapped response object. encodeRedirectURL(String) - Method in interface javax.servlet.http.HttpServletResponse Encodes the specified URL for use in the sendRedirect method or, if encoding is not needed, returns the URL unchanged. encodeUrl(String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call encodeUrl(String url) on the wrapped response object. encodeUrl(String) - Method in interface javax.servlet.http.HttpServletResponse Deprecated. As of version 2.1, use encodeURL(String url) instead encodeURL(String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call encodeURL(String url) on the wrapped response object. encodeURL(String) - Method in interface javax.servlet.http.HttpServletResponse Encodes the specified URL by including the session ID in it, or, if encoding is not needed, returns the URL unchanged. -------------------------------------------------------------------------------- F Filter - interface javax.servlet.Filter. A filter is an object that performs filtering tasks on either the request to a resource (a servlet or static content), or on the response from a resource, or both. Filters perform filtering in the doFilter method. FilterChain - interface javax.servlet.FilterChain. A FilterChain is an object provided by the servlet container to the developer giving a view into the invocation chain of a filtered request for a resource. FilterConfig - interface javax.servlet.FilterConfig. A filter configuration object used by a servlet container to pass information to a filter during initialization. flushBuffer() - Method in interface javax.servlet.ServletResponse Forces any content in the buffer to be written to the client. flushBuffer() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to call flushBuffer() on the wrapped response object. FORM_AUTH - Static variable in interface javax.servlet.http.HttpServletRequest String identifier for Form authentication. forward(ServletRequest, ServletResponse) - Method in interface javax.servlet.RequestDispatcher Forwards a request from a servlet to another resource (servlet, JSP file, or HTML file) on the server. -------------------------------------------------------------------------------- G GenericServlet - class javax.servlet.GenericServlet. Defines a generic, protocol-independent servlet. GenericServlet() - Constructor for class javax.servlet.GenericServlet Does nothing. getAttribute(String) - Method in interface javax.servlet.ServletContext Returns the servlet container attribute with the given name, or null if there is no attribute by that name. getAttribute(String) - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to call getAttribute(String name) on the wrapped request object. getAttribute(String) - Method in interface javax.servlet.ServletRequest Returns the value of the named attribute as an Object, or null if no attribute of the given name exists. getAttribute(String) - Method in interface javax.servlet.http.HttpSession Returns the object bound with the specified name in this session, or null if no object is bound under the name. getAttributeNames() - Method in interface javax.servlet.ServletContext Returns an Enumeration containing the attribute names available within this servlet context. getAttributeNames() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getAttributeNames() on the wrapped request object. getAttributeNames() - Method in interface javax.servlet.ServletRequest Returns an Enumeration containing the names of the attributes available to this request. getAttributeNames() - Method in interface javax.servlet.http.HttpSession Returns an Enumeration of String objects containing the names of all the objects bound to this session. getAuthType() - Method in interface javax.servlet.http.HttpServletRequest Returns the name of the authentication scheme used to protect the servlet. getAuthType() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getAuthType() on the wrapped request object. getBufferSize() - Method in interface javax.servlet.ServletResponse Returns the actual buffer size used for the response. getBufferSize() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return getBufferSize() on the wrapped response object. getCharacterEncoding() - Method in interface javax.servlet.ServletResponse Returns the name of the character encoding (MIME charset) used for the body sent in this response. getCharacterEncoding() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getCharacterEncoding() on the wrapped request object. getCharacterEncoding() - Method in interface javax.servlet.ServletRequest Returns the name of the character encoding used in the body of this request. getCharacterEncoding() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return getCharacterEncoding() on the wrapped response object. getComment() - Method in class javax.servlet.http.Cookie Returns the comment describing the purpose of this cookie, or null if the cookie has no comment. getContentLength() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getContentLength() on the wrapped request object. getContentLength() - Method in interface javax.servlet.ServletRequest Returns the length, in bytes, of the request body and made available by the input stream, or -1 if the length is not known. getContentType() - Method in interface javax.servlet.ServletResponse Returns the content type used for the MIME body sent in this response. getContentType() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getContentType() on the wrapped request object. getContentType() - Method in interface javax.servlet.ServletRequest Returns the MIME type of the body of the request, or null if the type is not known. getContentType() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return getContentType() on the wrapped response object. getContext(String) - Method in interface javax.servlet.ServletContext Returns a ServletContext object that corresponds to a specified URL on the server. getContextPath() - Method in interface javax.servlet.http.HttpServletRequest Returns the portion of the request URI that indicates the context of the request. getContextPath() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getContextPath() on the wrapped request object. getCookies() - Method in interface javax.servlet.http.HttpServletRequest Returns an array containing all of the Cookie objects the client sent with this request. getCookies() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getCookies() on the wrapped request object. getCreationTime() - Method in interface javax.servlet.http.HttpSession Returns the time when this session was created, measured in milliseconds since midnight January 1, 1970 GMT. getDateHeader(String) - Method in interface javax.servlet.http.HttpServletRequest Returns the value of the specified request header as a long value that represents a Date object. getDateHeader(String) - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getDateHeader(String name) on the wrapped request object. getDomain() - Method in class javax.servlet.http.Cookie Returns the domain name set for this cookie. getFilterName() - Method in interface javax.servlet.FilterConfig Returns the filter-name of this filter as defined in the deployment descriptor. getHeader(String) - Method in interface javax.servlet.http.HttpServletRequest Returns the value of the specified request header as a String. getHeader(String) - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getHeader(String name) on the wrapped request object. getHeaderNames() - Method in interface javax.servlet.http.HttpServletRequest Returns an enumeration of all the header names this request contains. getHeaderNames() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getHeaderNames() on the wrapped request object. getHeaders(String) - Method in interface javax.servlet.http.HttpServletRequest Returns all the values of the specified request header as an Enumeration of String objects. getHeaders(String) - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getHeaders(String name) on the wrapped request object. getId() - Method in interface javax.servlet.http.HttpSession Returns a string containing the unique identifier assigned to this session. getIds() - Method in interface javax.servlet.http.HttpSessionContext Deprecated. As of Java Servlet API 2.1 with no replacement. This method must return an empty Enumeration and will be removed in a future version of this API. getInitParameter(String) - Method in interface javax.servlet.FilterConfig Returns a String containing the value of the named initialization parameter, or null if the parameter does not exist. getInitParameter(String) - Method in interface javax.servlet.ServletConfig Returns a String containing the value of the named initialization parameter, or null if the parameter does not exist. getInitParameter(String) - Method in interface javax.servlet.ServletContext Returns a String containing the value of the named context-wide initialization parameter, or null if the parameter does not exist. getInitParameter(String) - Method in class javax.servlet.GenericServlet Returns a String containing the value of the named initialization parameter, or null if the parameter does not exist. getInitParameterNames() - Method in interface javax.servlet.FilterConfig Returns the names of the filter's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the filter has no initialization parameters. getInitParameterNames() - Method in interface javax.servlet.ServletConfig Returns the names of the servlet's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the servlet has no initialization parameters. getInitParameterNames() - Method in interface javax.servlet.ServletContext Returns the names of the context's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the context has no initialization parameters. getInitParameterNames() - Method in class javax.servlet.GenericServlet Returns the names of the servlet's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the servlet has no initialization parameters. getInputStream() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getInputStream() on the wrapped request object. getInputStream() - Method in interface javax.servlet.ServletRequest Retrieves the body of the request as binary data using a ServletInputStream. getIntHeader(String) - Method in interface javax.servlet.http.HttpServletRequest Returns the value of the specified request header as an int. getIntHeader(String) - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getIntHeader(String name) on the wrapped request object. getLastAccessedTime() - Method in interface javax.servlet.http.HttpSession Returns the last time the client sent a request associated with this session, as the number of milliseconds since midnight January 1, 1970 GMT, and marked by the time the container received the request. getLastModified(HttpServletRequest) - Method in class javax.servlet.http.HttpServlet Returns the time the HttpServletRequest object was last modified, in milliseconds since midnight January 1, 1970 GMT. getLocalAddr() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getLocalAddr() on the wrapped request object. getLocalAddr() - Method in interface javax.servlet.ServletRequest Returns the Internet Protocol (IP) address of the interface on which the request was received. getLocale() - Method in interface javax.servlet.ServletResponse Returns the locale specified for this response using the ServletResponse.setLocale(java.util.Locale) method. getLocale() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getLocale() on the wrapped request object. getLocale() - Method in interface javax.servlet.ServletRequest Returns the preferred Locale that the client will accept content in, based on the Accept-Language header. getLocale() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return getLocale() on the wrapped response object. getLocales() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getLocales() on the wrapped request object. getLocales() - Method in interface javax.servlet.ServletRequest Returns an Enumeration of Locale objects indicating, in decreasing order starting with the preferred locale, the locales that are acceptable to the client based on the Accept-Language header. getLocalName() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getLocalName() on the wrapped request object. getLocalName() - Method in interface javax.servlet.ServletRequest Returns the host name of the Internet Protocol (IP) interface on which the request was received. getLocalPort() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getLocalPort() on the wrapped request object. getLocalPort() - Method in interface javax.servlet.ServletRequest Returns the Internet Protocol (IP) port number of the interface on which the request was received. getMajorVersion() - Method in interface javax.servlet.ServletContext Returns the major version of the Java Servlet API that this servlet container supports. getMaxAge() - Method in class javax.servlet.http.Cookie Returns the maximum age of the cookie, specified in seconds, By default, -1 indicating the cookie will persist until browser shutdown. getMaxInactiveInterval() - Method in interface javax.servlet.http.HttpSession Returns the maximum time interval, in seconds, that the servlet container will keep this session open between client accesses. getMethod() - Method in interface javax.servlet.http.HttpServletRequest Returns the name of the HTTP method with which this request was made, for example, GET, POST, or PUT. getMethod() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getMethod() on the wrapped request object. getMimeType(String) - Method in interface javax.servlet.ServletContext Returns the MIME type of the specified file, or null if the MIME type is not known. getMinorVersion() - Method in interface javax.servlet.ServletContext Returns the minor version of the Servlet API that this servlet container supports. getName() - Method in class javax.servlet.ServletContextAttributeEvent Return the name of the attribute that changed on the ServletContext. getName() - Method in class javax.servlet.ServletRequestAttributeEvent Return the name of the attribute that changed on the ServletRequest getName() - Method in class javax.servlet.http.HttpSessionBindingEvent Returns the name with which the attribute is bound to or unbound from the session. getName() - Method in class javax.servlet.http.Cookie Returns the name of the cookie. getNamedDispatcher(String) - Method in interface javax.servlet.ServletContext Returns a RequestDispatcher object that acts as a wrapper for the named servlet. getOutputStream() - Method in interface javax.servlet.ServletResponse Returns a ServletOutputStream suitable for writing binary data in the response. getOutputStream() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return getOutputStream() on the wrapped response object. getParameter(String) - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getParameter(String name) on the wrapped request object. getParameter(String) - Method in interface javax.servlet.ServletRequest Returns the value of a request parameter as a String, or null if the parameter does not exist. getParameterMap() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getParameterMap() on the wrapped request object. getParameterMap() - Method in interface javax.servlet.ServletRequest Returns a java.util.Map of the parameters of this request. getParameterNames() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getParameterNames() on the wrapped request object. getParameterNames() - Method in interface javax.servlet.ServletRequest Returns an Enumeration of String objects containing the names of the parameters contained in this request. getParameterValues(String) - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getParameterValues(String name) on the wrapped request object. getParameterValues(String) - Method in interface javax.servlet.ServletRequest Returns an array of String objects containing all of the values the given request parameter has, or null if the parameter does not exist. getPath() - Method in class javax.servlet.http.Cookie Returns the path on the server to which the browser returns this cookie. getPathInfo() - Method in interface javax.servlet.http.HttpServletRequest Returns any extra path information associated with the URL the client sent when it made this request. getPathInfo() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getPathInfo() on the wrapped request object. getPathTranslated() - Method in interface javax.servlet.http.HttpServletRequest Returns any extra path information after the servlet name but before the query string, and translates it to a real path. getPathTranslated() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getPathTranslated() on the wrapped request object. getProtocol() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getProtocol() on the wrapped request object. getProtocol() - Method in interface javax.servlet.ServletRequest Returns the name and version of the protocol the request uses in the form protocol/majorVersion.minorVersion, for example, HTTP/1.1. getQueryString() - Method in interface javax.servlet.http.HttpServletRequest Returns the query string that is contained in the request URL after the path. getQueryString() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getQueryString() on the wrapped request object. getReader() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getReader() on the wrapped request object. getReader() - Method in interface javax.servlet.ServletRequest Retrieves the body of the request as character data using a BufferedReader. getRealPath(String) - Method in interface javax.servlet.ServletContext Returns a String containing the real path for a given virtual path. getRealPath(String) - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getRealPath(String path) on the wrapped request object. getRealPath(String) - Method in interface javax.servlet.ServletRequest Deprecated. As of Version 2.1 of the Java Servlet API, use ServletContext.getRealPath(java.lang.String) instead. getRemoteAddr() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getRemoteAddr() on the wrapped request object. getRemoteAddr() - Method in interface javax.servlet.ServletRequest Returns the Internet Protocol (IP) address of the client or last proxy that sent the request. getRemoteHost() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getRemoteHost() on the wrapped request object. getRemoteHost() - Method in interface javax.servlet.ServletRequest Returns the fully qualified name of the client or the last proxy that sent the request. getRemotePort() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getRemotePort() on the wrapped request object. getRemotePort() - Method in interface javax.servlet.ServletRequest Returns the Internet Protocol (IP) source port of the client or last proxy that sent the request. getRemoteUser() - Method in interface javax.servlet.http.HttpServletRequest Returns the login of the user making this request, if the user has been authenticated, or null if the user has not been authenticated. getRemoteUser() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getRemoteUser() on the wrapped request object. getRequest() - Method in class javax.servlet.ServletRequestWrapper Return the wrapped request object. getRequestDispatcher(String) - Method in interface javax.servlet.ServletContext Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path. getRequestDispatcher(String) - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getRequestDispatcher(String path) on the wrapped request object. getRequestDispatcher(String) - Method in interface javax.servlet.ServletRequest Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path. getRequestedSessionId() - Method in interface javax.servlet.http.HttpServletRequest Returns the session ID specified by the client. getRequestedSessionId() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getRequestedSessionId() on the wrapped request object. getRequestURI() - Method in interface javax.servlet.http.HttpServletRequest Returns the part of this request's URL from the protocol name up to the query string in the first line of the HTTP request. getRequestURI() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getRequestURI() on the wrapped request object. getRequestURL() - Method in interface javax.servlet.http.HttpServletRequest Reconstructs the URL the client used to make the request. getRequestURL() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getRequestURL() on the wrapped request object. getRequestURL(HttpServletRequest) - Static method in class javax.servlet.http.HttpUtils Deprecated. Reconstructs the URL the client used to make the request, using information in the HttpServletRequest object. getResource(String) - Method in interface javax.servlet.ServletContext Returns a URL to the resource that is mapped to a specified path. getResourceAsStream(String) - Method in interface javax.servlet.ServletContext Returns the resource located at the named path as an InputStream object. getResourcePaths(String) - Method in interface javax.servlet.ServletContext Returns a directory-like listing of all the paths to resources within the web application whose longest sub-path matches the supplied path argument. getResponse() - Method in class javax.servlet.ServletResponseWrapper Return the wrapped ServletResponse object. getRootCause() - Method in class javax.servlet.ServletException Returns the exception that caused this servlet exception. getScheme() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getScheme() on the wrapped request object. getScheme() - Method in interface javax.servlet.ServletRequest Returns the name of the scheme used to make this request, for example, http, https, or ftp. getSecure() - Method in class javax.servlet.http.Cookie Returns true if the browser is sending cookies only over a secure protocol, or false if the browser can send cookies using any protocol. getServerInfo() - Method in interface javax.servlet.ServletContext Returns the name and version of the servlet container on which the servlet is running. getServerName() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getServerName() on the wrapped request object. getServerName() - Method in interface javax.servlet.ServletRequest Returns the host name of the server to which the request was sent. getServerPort() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return getServerPort() on the wrapped request object. getServerPort() - Method in interface javax.servlet.ServletRequest Returns the port number to which the request was sent. getServlet() - Method in class javax.servlet.UnavailableException Deprecated. As of Java Servlet API 2.2, with no replacement. Returns the servlet that is reporting its unavailability. getServlet(String) - Method in interface javax.servlet.ServletContext Deprecated. As of Java Servlet API 2.1, with no direct replacement. This method was originally defined to retrieve a servlet from a ServletContext. In this version, this method always returns null and remains only to preserve binary compatibility. This method will be permanently removed in a future version of the Java Servlet API. In lieu of this method, servlets can share information using the ServletContext class and can perform shared business logic by invoking methods on common non-servlet classes. getServletConfig() - Method in interface javax.servlet.Servlet Returns a ServletConfig object, which contains initialization and startup parameters for this servlet. getServletConfig() - Method in class javax.servlet.GenericServlet Returns this servlet's ServletConfig object. getServletContext() - Method in class javax.servlet.ServletRequestEvent Returns the ServletContext of this web application. getServletContext() - Method in interface javax.servlet.FilterConfig Returns a reference to the ServletContext in which the caller is executing. getServletContext() - Method in interface javax.servlet.ServletConfig Returns a reference to the ServletContext in which the caller is executing. getServletContext() - Method in class javax.servlet.ServletContextEvent Return the ServletContext that changed. getServletContext() - Method in class javax.servlet.GenericServlet Returns a reference to the ServletContext in which this servlet is running. getServletContext() - Method in interface javax.servlet.http.HttpSession Returns the ServletContext to which this session belongs. getServletContextName() - Method in interface javax.servlet.ServletContext Returns the name of this web application corresponding to this ServletContext as specified in the deployment descriptor for this web application by the display-name element. getServletInfo() - Method in interface javax.servlet.Servlet Returns information about the servlet, such as author, version, and copyright. getServletInfo() - Method in class javax.servlet.GenericServlet Returns information about the servlet, such as author, version, and copyright. getServletName() - Method in interface javax.servlet.ServletConfig Returns the name of this servlet instance. getServletName() - Method in class javax.servlet.GenericServlet Returns the name of this servlet instance. getServletNames() - Method in interface javax.servlet.ServletContext Deprecated. As of Java Servlet API 2.1, with no replacement. This method was originally defined to return an Enumeration of all the servlet names known to this context. In this version, this method always returns an empty Enumeration and remains only to preserve binary compatibility. This method will be permanently removed in a future version of the Java Servlet API. getServletPath() - Method in interface javax.servlet.http.HttpServletRequest Returns the part of this request's URL that calls the servlet. getServletPath() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getServletPath() on the wrapped request object. getServletRequest() - Method in class javax.servlet.ServletRequestEvent Returns the ServletRequest that is changing. getServlets() - Method in interface javax.servlet.ServletContext Deprecated. As of Java Servlet API 2.0, with no replacement. This method was originally defined to return an Enumeration of all the servlets known to this servlet context. In this version, this method always returns an empty enumeration and remains only to preserve binary compatibility. This method will be permanently removed in a future version of the Java Servlet API. getSession() - Method in class javax.servlet.http.HttpSessionEvent Return the session that changed. getSession() - Method in class javax.servlet.http.HttpSessionBindingEvent Return the session that changed. getSession() - Method in interface javax.servlet.http.HttpServletRequest Returns the current session associated with this request, or if the request does not have a session, creates one. getSession() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getSession() on the wrapped request object. getSession(boolean) - Method in interface javax.servlet.http.HttpServletRequest Returns the current HttpSession associated with this request or, if there is no current session and create is true, returns a new session. getSession(boolean) - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getSession(boolean create) on the wrapped request object. getSession(String) - Method in interface javax.servlet.http.HttpSessionContext Deprecated. As of Java Servlet API 2.1 with no replacement. This method must return null and will be removed in a future version of this API. getSessionContext() - Method in interface javax.servlet.http.HttpSession Deprecated. As of Version 2.1, this method is deprecated and has no replacement. It will be removed in a future version of the Java Servlet API. getUnavailableSeconds() - Method in class javax.servlet.UnavailableException Returns the number of seconds the servlet expects to be temporarily unavailable. getUserPrincipal() - Method in interface javax.servlet.http.HttpServletRequest Returns a java.security.Principal object containing the name of the current authenticated user. getUserPrincipal() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return getUserPrincipal() on the wrapped request object. getValue() - Method in class javax.servlet.ServletContextAttributeEvent Returns the value of the attribute that has been added, removed, or replaced. getValue() - Method in class javax.servlet.ServletRequestAttributeEvent Returns the value of the attribute that has been added, removed or replaced. getValue() - Method in class javax.servlet.http.HttpSessionBindingEvent Returns the value of the attribute that has been added, removed or replaced. getValue() - Method in class javax.servlet.http.Cookie Returns the value of the cookie. getValue(String) - Method in interface javax.servlet.http.HttpSession Deprecated. As of Version 2.2, this method is replaced by HttpSession.getAttribute(java.lang.String). getValueNames() - Method in interface javax.servlet.http.HttpSession Deprecated. As of Version 2.2, this method is replaced by HttpSession.getAttributeNames() getVersion() - Method in class javax.servlet.http.Cookie Returns the version of the protocol this cookie complies with. getWriter() - Method in interface javax.servlet.ServletResponse Returns a PrintWriter object that can send character text to the client. getWriter() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return getWriter() on the wrapped response object. -------------------------------------------------------------------------------- H HttpServlet - class javax.servlet.http.HttpServlet. Provides an abstract class to be subclassed to create an HTTP servlet suitable for a Web site. HttpServlet() - Constructor for class javax.servlet.http.HttpServlet Does nothing, because this is an abstract class. HttpServletRequest - interface javax.servlet.http.HttpServletRequest. Extends the ServletRequest interface to provide request information for HTTP servlets. HttpServletRequestWrapper - class javax.servlet.http.HttpServletRequestWrapper. Provides a convenient implementation of the HttpServletRequest interface that can be subclassed by developers wishing to adapt the request to a Servlet. HttpServletRequestWrapper(HttpServletRequest) - Constructor for class javax.servlet.http.HttpServletRequestWrapper Constructs a request object wrapping the given request. HttpServletResponse - interface javax.servlet.http.HttpServletResponse. Extends the ServletResponse interface to provide HTTP-specific functionality in sending a response. HttpServletResponseWrapper - class javax.servlet.http.HttpServletResponseWrapper. Provides a convenient implementation of the HttpServletResponse interface that can be subclassed by developers wishing to adapt the response from a Servlet. HttpServletResponseWrapper(HttpServletResponse) - Constructor for class javax.servlet.http.HttpServletResponseWrapper Constructs a response adaptor wrapping the given response. HttpSession - interface javax.servlet.http.HttpSession. Provides a way to identify a user across more than one page request or visit to a Web site and to store information about that user. HttpSessionActivationListener - interface javax.servlet.http.HttpSessionActivationListener. Objects that are bound to a session may listen to container events notifying them that sessions will be passivated and that session will be activated. HttpSessionAttributeListener - interface javax.servlet.http.HttpSessionAttributeListener. This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this web application. HttpSessionBindingEvent - class javax.servlet.http.HttpSessionBindingEvent. Events of this type are either sent to an object that implements HttpSessionBindingListener when it is bound or unbound from a session, or to a HttpSessionAttributeListener that has been configured in the deployment descriptor when any attribute is bound, unbound or replaced in a session. HttpSessionBindingEvent(HttpSession, String) - Constructor for class javax.servlet.http.HttpSessionBindingEvent Constructs an event that notifies an object that it has been bound to or unbound from a session. HttpSessionBindingEvent(HttpSession, String, Object) - Constructor for class javax.servlet.http.HttpSessionBindingEvent Constructs an event that notifies an object that it has been bound to or unbound from a session. HttpSessionBindingListener - interface javax.servlet.http.HttpSessionBindingListener. Causes an object to be notified when it is bound to or unbound from a session. HttpSessionContext - interface javax.servlet.http.HttpSessionContext. Deprecated. As of Java(tm) Servlet API 2.1 for security reasons, with no replacement. This interface will be removed in a future version of this API. HttpSessionEvent - class javax.servlet.http.HttpSessionEvent. This is the class representing event notifications for changes to sessions within a web application. HttpSessionEvent(HttpSession) - Constructor for class javax.servlet.http.HttpSessionEvent Construct a session event from the given source. HttpSessionListener - interface javax.servlet.http.HttpSessionListener. Implementations of this interface are notified of changes to the list of active sessions in a web application. HttpUtils - class javax.servlet.http.HttpUtils. Deprecated. As of Java(tm) Servlet API 2.3. These methods were only useful with the default encoding and have been moved to the request interfaces. HttpUtils() - Constructor for class javax.servlet.http.HttpUtils Deprecated. Constructs an empty HttpUtils object. -------------------------------------------------------------------------------- I include(ServletRequest, ServletResponse) - Method in interface javax.servlet.RequestDispatcher Includes the content of a resource (servlet, JSP page, HTML file) in the response. init() - Method in class javax.servlet.GenericServlet A convenience method which can be overridden so that there's no need to call super.init(config). init(FilterConfig) - Method in interface javax.servlet.Filter Called by the web container to indicate to a filter that it is being placed into service. init(ServletConfig) - Method in interface javax.servlet.Servlet Called by the servlet container to indicate to a servlet that the servlet is being placed into service. init(ServletConfig) - Method in class javax.servlet.GenericServlet Called by the servlet container to indicate to a servlet that the servlet is being placed into service. invalidate() - Method in interface javax.servlet.http.HttpSession Invalidates this session then unbinds any objects bound to it. isCommitted() - Method in interface javax.servlet.ServletResponse Returns a boolean indicating if the response has been committed. isCommitted() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to return isCommitted() on the wrapped response object. isNew() - Method in interface javax.servlet.http.HttpSession Returns true if the client does not yet know about the session or if the client chooses not to join the session. isPermanent() - Method in class javax.servlet.UnavailableException Returns a boolean indicating whether the servlet is permanently unavailable. isRequestedSessionIdFromCookie() - Method in interface javax.servlet.http.HttpServletRequest Checks whether the requested session ID came in as a cookie. isRequestedSessionIdFromCookie() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return isRequestedSessionIdFromCookie() on the wrapped request object. isRequestedSessionIdFromUrl() - Method in interface javax.servlet.http.HttpServletRequest Deprecated. As of Version 2.1 of the Java Servlet API, use HttpServletRequest.isRequestedSessionIdFromURL() instead. isRequestedSessionIdFromUrl() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return isRequestedSessionIdFromUrl() on the wrapped request object. isRequestedSessionIdFromURL() - Method in interface javax.servlet.http.HttpServletRequest Checks whether the requested session ID came in as part of the request URL. isRequestedSessionIdFromURL() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return isRequestedSessionIdFromURL() on the wrapped request object. isRequestedSessionIdValid() - Method in interface javax.servlet.http.HttpServletRequest Checks whether the requested session ID is still valid. isRequestedSessionIdValid() - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return isRequestedSessionIdValid() on the wrapped request object. isSecure() - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to return isSecure() on the wrapped request object. isSecure() - Method in interface javax.servlet.ServletRequest Returns a boolean indicating whether this request was made using a secure channel, such as HTTPS. isUserInRole(String) - Method in interface javax.servlet.http.HttpServletRequest Returns a boolean indicating whether the authenticated user is included in the specified logical "role". isUserInRole(String) - Method in class javax.servlet.http.HttpServletRequestWrapper The default behavior of this method is to return isUserInRole(String role) on the wrapped request object. -------------------------------------------------------------------------------- J javax.servlet - package javax.servlet This chapter describes the javax.servlet package. javax.servlet.http - package javax.servlet.http This chapter describes the javax.servlet.http package. -------------------------------------------------------------------------------- L log(Exception, String) - Method in interface javax.servlet.ServletContext Deprecated. As of Java Servlet API 2.1, use ServletContext.log(String message, Throwable throwable) instead. This method was originally defined to write an exception's stack trace and an explanatory error message to the servlet log file. log(String) - Method in interface javax.servlet.ServletContext Writes the specified message to a servlet log file, usually an event log. log(String) - Method in class javax.servlet.GenericServlet Writes the specified message to a servlet log file, prepended by the servlet's name. log(String, Throwable) - Method in interface javax.servlet.ServletContext Writes an explanatory message and a stack trace for a given Throwable exception to the servlet log file. log(String, Throwable) - Method in class javax.servlet.GenericServlet Writes an explanatory message and a stack trace for a given Throwable exception to the servlet log file, prepended by the servlet's name. -------------------------------------------------------------------------------- P parsePostData(int, ServletInputStream) - Static method in class javax.servlet.http.HttpUtils Deprecated. Parses data from an HTML form that the client sends to the server using the HTTP POST method and the application/x-www-form-urlencoded MIME type. parseQueryString(String) - Static method in class javax.servlet.http.HttpUtils Deprecated. Parses a query string passed from the client to the server and builds a HashTable object with key-value pairs. print(boolean) - Method in class javax.servlet.ServletOutputStream Writes a boolean value to the client, with no carriage return-line feed (CRLF) character at the end. print(char) - Method in class javax.servlet.ServletOutputStream Writes a character to the client, with no carriage return-line feed (CRLF) at the end. print(double) - Method in class javax.servlet.ServletOutputStream Writes a double value to the client, with no carriage return-line feed (CRLF) at the end. print(float) - Method in class javax.servlet.ServletOutputStream Writes a float value to the client, with no carriage return-line feed (CRLF) at the end. print(int) - Method in class javax.servlet.ServletOutputStream Writes an int to the client, with no carriage return-line feed (CRLF) at the end. print(long) - Method in class javax.servlet.ServletOutputStream Writes a long value to the client, with no carriage return-line feed (CRLF) at the end. print(String) - Method in class javax.servlet.ServletOutputStream Writes a String to the client, without a carriage return-line feed (CRLF) character at the end. println() - Method in class javax.servlet.ServletOutputStream Writes a carriage return-line feed (CRLF) to the client. println(boolean) - Method in class javax.servlet.ServletOutputStream Writes a boolean value to the client, followed by a carriage return-line feed (CRLF). println(char) - Method in class javax.servlet.ServletOutputStream Writes a character to the client, followed by a carriage return-line feed (CRLF). println(double) - Method in class javax.servlet.ServletOutputStream Writes a double value to the client, followed by a carriage return-line feed (CRLF). println(float) - Method in class javax.servlet.ServletOutputStream Writes a float value to the client, followed by a carriage return-line feed (CRLF). println(int) - Method in class javax.servlet.ServletOutputStream Writes an int to the client, followed by a carriage return-line feed (CRLF) character. println(long) - Method in class javax.servlet.ServletOutputStream Writes a long value to the client, followed by a carriage return-line feed (CRLF). println(String) - Method in class javax.servlet.ServletOutputStream Writes a String to the client, followed by a carriage return-line feed (CRLF). putValue(String, Object) - Method in interface javax.servlet.http.HttpSession Deprecated. As of Version 2.2, this method is replaced by HttpSession.setAttribute(java.lang.String, java.lang.Object) -------------------------------------------------------------------------------- R readLine(byte[], int, int) - Method in class javax.servlet.ServletInputStream Reads the input stream, one line at a time. removeAttribute(String) - Method in interface javax.servlet.ServletContext Removes the attribute with the given name from the servlet context. removeAttribute(String) - Method in class javax.servlet.ServletRequestWrapper The default behavior of this method is to call removeAttribute(String name) on the wrapped request object. removeAttribute(String) - Method in interface javax.servlet.ServletRequest Removes an attribute from this request. removeAttribute(String) - Method in interface javax.servlet.http.HttpSession Removes the object bound with the specified name from this session. removeValue(String) - Method in interface javax.servlet.http.HttpSession Deprecated. As of Version 2.2, this method is replaced by HttpSession.removeAttribute(java.lang.String) requestDestroyed(ServletRequestEvent) - Method in interface javax.servlet.ServletRequestListener The request is about to go out of scope of the web application. RequestDispatcher - interface javax.servlet.RequestDispatcher. Defines an object that receives requests from the client and sends them to any resource (such as a servlet, HTML file, or JSP file) on the server. requestInitialized(ServletRequestEvent) - Method in interface javax.servlet.ServletRequestListener The request is about to come into scope of the web application. reset() - Method in interface javax.servlet.ServletResponse Clears any data that exists in the buffer as well as the status code and headers. reset() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to call reset() on the wrapped response object. resetBuffer() - Method in interface javax.servlet.ServletResponse Clears the content of the underlying buffer in the response without clearing headers or status code. resetBuffer() - Method in class javax.servlet.ServletResponseWrapper The default behavior of this method is to call resetBuffer() on the wrapped response object. -------------------------------------------------------------------------------- S SC_ACCEPTED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (202) indicating that a request was accepted for processing, but was not completed. SC_BAD_GATEWAY - Static variable in interface javax.servlet.http.HttpServletResponse Status code (502) indicating that the HTTP server received an invalid response from a server it consulted when acting as a proxy or gateway. SC_BAD_REQUEST - Static variable in interface javax.servlet.http.HttpServletResponse Status code (400) indicating the request sent by the client was syntactically incorrect. SC_CONFLICT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (409) indicating that the request could not be completed due to a conflict with the current state of the resource. SC_CONTINUE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (100) indicating the client can continue. SC_CREATED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (201) indicating the request succeeded and created a new resource on the server. SC_EXPECTATION_FAILED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (417) indicating that the server could not meet the expectation given in the Expect request header. SC_FORBIDDEN - Static variable in interface javax.servlet.http.HttpServletResponse Status code (403) indicating the server understood the request but refused to fulfill it. SC_FOUND - Static variable in interface javax.servlet.http.HttpServletResponse Status code (302) indicating that the resource reside temporarily under a different URI. SC_GATEWAY_TIMEOUT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (504) indicating that the server did not receive a timely response from the upstream server while acting as a gateway or proxy. SC_GONE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (410) indicating that the resource is no longer available at the server and no forwarding address is known. SC_HTTP_VERSION_NOT_SUPPORTED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (505) indicating that the server does not support or refuses to support the HTTP protocol version that was used in the request message. SC_INTERNAL_SERVER_ERROR - Static variable in interface javax.servlet.http.HttpServletResponse Status code (500) indicating an error inside the HTTP server which prevented it from fulfilling the request. SC_LENGTH_REQUIRED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (411) indicating that the request cannot be handled without a defined Content-Length. SC_METHOD_NOT_ALLOWED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (405) indicating that the method specified in the Request-Line is not allowed for the resource identified by the Request-URI. SC_MOVED_PERMANENTLY - Static variable in interface javax.servlet.http.HttpServletResponse Status code (301) indicating that the resource has permanently moved to a new location, and that future references should use a new URI with their requests. SC_MOVED_TEMPORARILY - Static variable in interface javax.servlet.http.HttpServletResponse Status code (302) indicating that the resource has temporarily moved to another location, but that future references should still use the original URI to access the resource. SC_MULTIPLE_CHOICES - Static variable in interface javax.servlet.http.HttpServletResponse Status code (300) indicating that the requested resource corresponds to any one of a set of representations, each with its own specific location. SC_NO_CONTENT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (204) indicating that the request succeeded but that there was no new information to return. SC_NON_AUTHORITATIVE_INFORMATION - Static variable in interface javax.servlet.http.HttpServletResponse Status code (203) indicating that the meta information presented by the client did not originate from the server. SC_NOT_ACCEPTABLE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (406) indicating that the resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request. SC_NOT_FOUND - Static variable in interface javax.servlet.http.HttpServletResponse Status code (404) indicating that the requested resource is not available. SC_NOT_IMPLEMENTED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (501) indicating the HTTP server does not support the functionality needed to fulfill the request. SC_NOT_MODIFIED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (304) indicating that a conditional GET operation found that the resource was available and not modified. SC_OK - Static variable in interface javax.servlet.http.HttpServletResponse Status code (200) indicating the request succeeded normally. SC_PARTIAL_CONTENT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (206) indicating that the server has fulfilled the partial GET request for the resource. SC_PAYMENT_REQUIRED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (402) reserved for future use. SC_PRECONDITION_FAILED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (412) indicating that the precondition given in one or more of the request-header fields evaluated to false when it was tested on the server. SC_PROXY_AUTHENTICATION_REQUIRED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (407) indicating that the client MUST first authenticate itself with the proxy. SC_REQUEST_ENTITY_TOO_LARGE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (413) indicating that the server is refusing to process the request because the request entity is larger than the server is willing or able to process. SC_REQUEST_TIMEOUT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (408) indicating that the client did not produce a request within the time that the server was prepared to wait. SC_REQUEST_URI_TOO_LONG - Static variable in interface javax.servlet.http.HttpServletResponse Status code (414) indicating that the server is refusing to service the request because the Request-URI is longer than the server is willing to interpret. SC_REQUESTED_RANGE_NOT_SATISFIABLE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (416) indicating that the server cannot serve the requested byte range. SC_RESET_CONTENT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (205) indicating that the agent SHOULD reset the document view which caused the request to be sent. SC_SEE_OTHER - Static variable in interface javax.servlet.http.HttpServletResponse Status code (303) indicating that the response to the request can be found under a different URI. SC_SERVICE_UNAVAILABLE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (503) indicating that the HTTP server is temporarily overloaded, and unable to handle the request. SC_SWITCHING_PROTOCOLS - Static variable in interface javax.servlet.http.HttpServletResponse Status code (101) indicating the server is switching protocols according to Upgrade header. SC_TEMPORARY_REDIRECT - Static variable in interface javax.servlet.http.HttpServletResponse Status code (307) indicating that the requested resource resides temporarily under a different URI. SC_UNAUTHORIZED - Static variable in interface javax.servlet.http.HttpServletResponse Status code (401) indicating that the request requires HTTP authentication. SC_UNSUPPORTED_MEDIA_TYPE - Static variable in interface javax.servlet.http.HttpServletResponse Status code (415) indicating that the server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method. SC_USE_PROXY - Static variable in interface javax.servlet.http.HttpServletResponse Status code (305) indicating that the requested resource MUST be accessed through the proxy given by the Location field. sendError(int) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call sendError(int sc) on the wrapped response object. sendError(int) - Method in interface javax.servlet.http.HttpServletResponse Sends an error response to the client using the specified status code and clearing the buffer. sendError(int, String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to call sendError(int sc, String msg) on the wrapped response object. sendError(int, String) - Method in interface javax.servlet.http.HttpServletResponse Sends an error response to the client using the specified status. sendRedirect(String) - Method in class javax.servlet.http.HttpServletResponseWrapper The default behavior of this method is to return sendRedirect(String location) on the wrapped response object. sendRedirect(String) - Method in interface javax.servlet.http.HttpServletResponse Sends a temporary redirect response to the client using the specified redirect location URL. service(HttpServletRequest, HttpServletResponse) - Method in class javax.servlet.http.HttpServlet Receives standard HTTP requests from the public service method and dispatches them to the doXXX methods defined in this class. service(ServletRequest, ServletResponse) - Method in interfac

公司项目报错： o.s.boot.web.support.ErrorPageFilter : Forwarding to error page from request [/information/edit] due to exception [Could not parse multipart servlet request; ne...

参考官方spring-security样例,项目启动后访问任意url,访问报错页面显示错误:Tue Mar 27 11:22:42 CST 2018There was an unexpected error (type=Internal Server Error, status=500).Circular view path [login]: would dispatch back to the ...

出现问题的原因是原本4.4的应用程序在5.0中运行，可以运行但是一直网络无连接，可能不兼容，修改如下就ok了~ 1.首先AndroidManifest.xml里添加网络权限 2.修改library/src/com/lidroid/xutils/cache/KeyExpiryMap.java里的代码如下：把红色背景的代码删掉，添加绿色背景代码

记录在SpringMVC使用过程中出现的各种异常，持续更新。

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