Web 开发
java.lang.NoClassDefFoundError cannot be cast to java.lang.Exception
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我也要 关注 + 加入社区description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /errorpage.jsp at line 13
10: <%
11: String message = "Unknown Error: Please report to your administrator.";
12: if (exception != null ){
13: message = message+((Exception)exception).getMessage();
14: }
15: out.println(message);
16:
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:694)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:665)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:806)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.InsertNewNotice_jsp._jspService(InsertNewNotice_jsp.java:133)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.ClassCastException: java.lang.NoClassDefFoundError cannot be cast to java.lang.Exception
org.apache.jsp.errorpage_jsp._jspService(errorpage_jsp.java:69)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:694)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:665)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:806)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.InsertNewNotice_jsp._jspService(InsertNewNotice_jsp.java:133)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
请问这是什么原因？
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