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Author

Unable to compile class for JSP error

Rupam Modi
Greenhorn

Joined: Aug 07, 2001
Posts: 3
I am new to Tomcat. I have one JSP which referes to a Java class. I have put JSP in the root directory. The Java class is in WEB-INF\classes directory with package structure. When I run the application in Tomcat, it gives the "Unable to compile class for JSP error". Please help.
Rupam Modi
Greenhorn

Joined: Aug 07, 2001
Posts: 3
The Error Messages are:
Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSP
at org.apache.jasper.JspEngineContext.compile(Unknown Source)
at org.apache.jasper.JspEngineContext.load(Unknown Source)
at org.apache.jasper.servlet.JspServletWrapper.service(Unknown Source)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source)
at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContext.invoke(Unknown Source)
at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.valves.ErrorReportValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:358)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:495)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:518)
at java.lang.Thread.run(Thread.java:479)

root cause
org.apache.jasper.JasperException: null(-1,-1) jsp.error.source.map
at org.apache.jasper.compiler.DefaultErrorHandler.jspError(Unknown Source)
at org.apache.jasper.compiler.ErrorDispatcher.dispatch(Unknown Source)
at org.apache.jasper.compiler.ErrorDispatcher.jspError(Unknown Source)
at org.apache.jasper.compiler.ErrorDispatcher.parseJavacMessage(Unknown Source)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(Unknown Source)
at org.apache.jasper.compiler.Compiler.compile(Unknown Source)
at org.apache.jasper.JspEngineContext.compile(Unknown Source)
at org.apache.jasper.JspEngineContext.load(Unknown Source)
at org.apache.jasper.servlet.JspServletWrapper.service(Unknown Source)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source)
at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContext.invoke(Unknown Source)
at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.valves.ErrorReportValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:358)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:495)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:518)
at java.lang.Thread.run(Thread.java:479)
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Unable to compile class for JSP error