First off, I'm not sure if this is a tomcat or log4j issue, so I'm posting
to both lists.

Many times when I have an error in my jsp code, I only get the stack trace
below in my log4j log file. I'm assuming the root exception is there
somewhere, but how do I get it to display?

SEVERE: Servlet.service() for servlet jsp threw exception
javax.servlet.ServletException: org.apache.log4j.spi.ThrowableInformation
 at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
l.java:680)
 at org.apache.jsp.home.temp_jsp._jspService(temp_jsp.java:75)
 at org.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:136)
 at javax.servlet.http.HttpServlet.service (HttpServlet.java:856)
 at
org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:3
20)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:293)
 at org.apache.jasper.servlet.JspServlet.service (JspServlet.java:240)
 at javax.servlet.http.HttpServlet.service (HttpServlet.java:856)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:288)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:206)
 at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:263)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:562)
 at org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:1018)
 at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:196)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:562)
 at org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:1018)
 at
org.apache.catalina.core.StandardContext.invoke (StandardContext.java:2748)
 at
org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:186
)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
 at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:171)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:149)
 at
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:172
)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:149)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:562)
 at org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:1018)
 at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:163)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:151)
 at
org.apache.catalina.valves.AccessLogValve.invoke (AccessLogValve.java:512)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:149)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:562)
 at org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:1018)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java:199)
 at
org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:637)
 at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:463)
 at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:568)
 at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:631)
 at java.lang.Thread.run (Thread.java:534)

Thanks,
Eric


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