All,
Just saw this in production. We resolved it by bouncing the server
because we needed to use it :)
This is Tomcat 8.5.89.
> Exception: java.lang.NullPointerException Stack Trace:
> java.lang.NullPointerException: (no message)
>
org.apache.jasper.JspCompilationContext.createOutputDir(JspCompilationContext.java:685)
at
org.apache.jasper.JspCompilationContext.getOutputDir(JspCompilationContext.java:204)
at
org.apache.jasper.JspCompilationContext.getClassFileName(JspCompilationContext.java:537)
at org.apache.jasper.compiler.Compiler.isOutDated(Compiler.java:464) at
org.apache.jasper.compiler.Compiler.isOutDated(Compiler.java:430) at
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:590)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:383)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:331) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:583) at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:212)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
[...]
[more filters from our application]
[...]
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483)
at
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:682)
at
org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(CrawlerSessionManagerValve.java:234)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
at
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:682)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:533) at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:932)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1695)
at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
at
org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
I haven't looked at the code, yet, but we do do a fair amount of
reloading of the web application via JMX. We have a single main web
application deployed on each Tomcat instance, plus a trivial ROOT webapp
to handle some odd cases.
There should be no issues with file/directory ownership -- everything
runs as a consistent user and we don't play any games with umask, etc.
Any suggestions?
-chris
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