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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (LOG4J2-1051) NoClassDefFoundError when starting app on Google App Engine
Date Fri, 12 Jun 2015 03:39:00 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-1051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582888#comment-14582888
] 

Gary Gregory edited comment on LOG4J2-1051 at 6/12/15 3:38 AM:
---------------------------------------------------------------

Can this be set up as GAE unit test in our Maven build?

I take it that you are using the latest sources, it would be good to note that in the description.

It's likely that an exception was thrown while initializing the Log4j Loader class. We need
to see that exception or error.


was (Author: garydgregory):
Can this be set up as GAE unit test in our Maven build?

I take it that you are using the latest sources, it would be good to note that in the description.

> NoClassDefFoundError when starting app on Google App Engine
> -----------------------------------------------------------
>
>                 Key: LOG4J2-1051
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1051
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Core
>         Environment: JDK7, Google App Engine, Apache Struts 2.5
>            Reporter: Lukasz Lenart
>
> I have an app that uses
> - log4j-api
> - log4j-core
> - log4j-web
> and after deploying it to GAE I see such exception in the logs
> {noformat}
> 2015-06-10 23:01:05.768
> Uncaught exception from servlet
> java.lang.NoClassDefFoundError: Could not initialize class org.apache.logging.log4j.core.util.Loader
> 	at org.apache.logging.log4j.core.lookup.Interpolator.<init>(Interpolator.java:114)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.<init>(AbstractConfiguration.java:105)
> 	at org.apache.logging.log4j.core.config.NullConfiguration.<init>(NullConfiguration.java:30)
> 	at org.apache.logging.log4j.core.LoggerContext.<clinit>(LoggerContext.java:62)
> 	at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:145)
> 	at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:70)
> 	at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:57)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:142)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:42)
> 	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:175)
> 	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:426)
> 	at org.apache.struts2.tiles.StrutsTilesListener.<clinit>(StrutsTilesListener.java:50)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> 	at java.lang.Class.newInstance(Class.java:375)
> 	at org.mortbay.jetty.webapp.WebXmlConfiguration.newListenerInstance(WebXmlConfiguration.java:650)
> 	at org.mortbay.jetty.webapp.WebXmlConfiguration.initListener(WebXmlConfiguration.java:631)
> 	at org.mortbay.jetty.webapp.WebXmlConfiguration.initWebXmlElement(WebXmlConfiguration.java:368)
> 	at org.mortbay.jetty.webapp.WebXmlConfiguration.initialize(WebXmlConfiguration.java:289)
> 	at org.mortbay.jetty.webapp.WebXmlConfiguration.configure(WebXmlConfiguration.java:222)
> 	at org.mortbay.jetty.webapp.WebXmlConfiguration.configureWebApp(WebXmlConfiguration.java:180)
> 	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1247)
> 	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
> 	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
> 	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
> 	at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:199)
> 	at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:174)
> 	at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:134)
> 	at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:527)
> 	at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:437)
> 	at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:444)
> 	at com.google.tracing.CurrentContext.runInContext(CurrentContext.java:230)
> 	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:308)
> 	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:300)
> 	at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:441)
> 	at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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