https://issues.apache.org/bugzilla/show_bug.cgi?id=47717
Summary: createJavacError throws NPE
Product: Tomcat 6
Version: 6.0.20
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Eric J Schwarzenbach
<[email protected]> 2009-08-20 14:21:43 PDT ---
org.apache.jasper.compiler.ErrorDispatcher.createJavacError sometimes throws a
NPE when the page argument is null.
I don't really know what exactly the circumstance is that leads to this
situation (except that my code is resulting in a JspException) but the result
is the jsp error is not reported and the failure swallowed.
FWIW here is the call stack from my debugger, after trapping the NPE:
org.apache.jasper.compiler.ErrorDispatcher.createJavacError(java.lang.String,
org.apache.jasper.compiler.Node$Nodes, java.lang.StringBuffer, int,
org.apache.jasper.JspCompilationContext) line: 527
org.apache.jasper.servlet.JspServletWrapper.handleJspException(java.lang.Exception)
line: 490
org.apache.jasper.servlet.JspServletWrapper.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, boolean) line: 398
org.apache.jasper.servlet.JspServlet.serviceJspFile(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, java.lang.String, java.lang.Throwable,
boolean) line: 342
org.apache.jasper.servlet.JspServlet.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) line: 267
org.apache.jasper.servlet.JspServlet(javax.servlet.http.HttpServlet).service(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 831
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 290
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
org.apache.catalina.core.ApplicationDispatcher.invoke(javax.servlet.ServletRequest,
javax.servlet.ServletResponse,
org.apache.catalina.core.ApplicationDispatcher$State) line: 646
org.apache.catalina.core.ApplicationDispatcher.processRequest(javax.servlet.ServletRequest,
javax.servlet.ServletResponse,
org.apache.catalina.core.ApplicationDispatcher$State) line: 436
org.apache.catalina.core.ApplicationDispatcher.doForward(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 374
org.apache.catalina.core.ApplicationDispatcher.forward(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 302
org.springframework.web.servlet.view.JstlView(org.springframework.web.servlet.view.InternalResourceView).renderMergedOutputModel(java.util.Map,
javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
line: 236
org.springframework.web.servlet.view.JstlView(org.springframework.web.servlet.view.AbstractView).render(java.util.Map,
javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
line: 257
org.springframework.web.servlet.DispatcherServlet.render(org.springframework.web.servlet.ModelAndView,
javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
line: 1183
org.springframework.web.servlet.DispatcherServlet.doDispatch(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) line: 902
org.springframework.web.servlet.DispatcherServlet.doService(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) line: 807
org.springframework.web.servlet.DispatcherServlet(org.springframework.web.servlet.FrameworkServlet).processRequest(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) line: 571
org.springframework.web.servlet.DispatcherServlet(org.springframework.web.servlet.FrameworkServlet).doPost(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) line: 511
org.springframework.web.servlet.DispatcherServlet(javax.servlet.http.HttpServlet).service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) line: 738
org.springframework.web.servlet.DispatcherServlet(javax.servlet.http.HttpServlet).service(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 831
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 290
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
com.wrycan.xms.web.servlet.filter.TransactionManagerFilter.doFilterInternal(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, javax.servlet.FilterChain) line: 48
com.wrycan.xms.web.servlet.filter.TransactionManagerFilter(org.springframework.web.filter.OncePerRequestFilter).doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 76
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(javax.servlet.Filter,
javax.servlet.ServletRequest, javax.servlet.ServletResponse,
javax.servlet.FilterChain) line: 236
org.springframework.web.filter.DelegatingFilterProxy.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 167
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 235
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
com.wrycan.xms.web.servlet.filter.RequestLoggingFilter(org.springframework.web.filter.AbstractRequestLoggingFilter).doFilterInternal(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, javax.servlet.FilterChain) line: 156
com.wrycan.xms.web.servlet.filter.RequestLoggingFilter(org.springframework.web.filter.OncePerRequestFilter).doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 76
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 235
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
com.atlassian.seraph.filter.SecurityFilter.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 182
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 235
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
com.atlassian.seraph.filter.LoginFilter.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 177
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 235
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
com.wrycan.xms.web.servlet.filter.SettingsConfigFilter.doFilterInternal(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, javax.servlet.FilterChain) line: 42
com.wrycan.xms.web.servlet.filter.SettingsConfigFilter(org.springframework.web.filter.OncePerRequestFilter).doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 76
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(javax.servlet.Filter,
javax.servlet.ServletRequest, javax.servlet.ServletResponse,
javax.servlet.FilterChain) line: 236
org.springframework.web.filter.DelegatingFilterProxy.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 167
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 235
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, javax.servlet.FilterChain) line: 96
org.springframework.web.filter.CharacterEncodingFilter(org.springframework.web.filter.OncePerRequestFilter).doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse, javax.servlet.FilterChain) line: 76
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 235
org.apache.catalina.core.ApplicationFilterChain.doFilter(javax.servlet.ServletRequest,
javax.servlet.ServletResponse) line: 206
org.apache.catalina.core.StandardWrapperValve.invoke(org.apache.catalina.connector.Request,
org.apache.catalina.connector.Response) line: 233
org.apache.catalina.core.StandardContextValve.invoke(org.apache.catalina.connector.Request,
org.apache.catalina.connector.Response) line: 191
org.apache.catalina.core.StandardHostValve.invoke(org.apache.catalina.connector.Request,
org.apache.catalina.connector.Response) line: 128
org.apache.catalina.valves.ErrorReportValve.invoke(org.apache.catalina.connector.Request,
org.apache.catalina.connector.Response) line: 102
org.apache.catalina.core.StandardEngineValve.invoke(org.apache.catalina.connector.Request,
org.apache.catalina.connector.Response) line: 109
org.apache.catalina.connector.CoyoteAdapter.service(org.apache.coyote.Request,
org.apache.coyote.Response) line: 293
org.apache.coyote.http11.Http11Processor.process(java.net.Socket) line: 849
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(java.net.Socket)
line: 583
org.apache.tomcat.util.net.JIoEndpoint$Worker.run() line: 454
java.lang.Thread.run() line: 619
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