D:\Tomcat 4.1\work\Standalone\localhost\jsp\yonghuguanli\reg2_jsp.java:57: cannot resolve symbol
symbol : class opendb
location: class opendb.opendb
opendb.opendb db = null;
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这个错误怎么解决?
D:\Tomcat 4.1\work\Standalone\localhost\jsp\yonghuguanli\reg2_jsp.java:57: cannot resolve symbol symbol : class opendb location: class opendb.opendb opendb.opendb db = null;
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: opendb
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:498)
at org.apache.jsp.reg2_jsp._jspService(reg2_jsp.java:270)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:162)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)