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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-1035) Log4j2 tries to SystemClassLoader when running on Google AppEngine
Date Wed, 10 Jun 2015 08:25:00 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-1035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14580213#comment-14580213
] 

Lukasz Lenart commented on LOG4J2-1035:
---------------------------------------

The above exception was resolved with including {{log4j2-web}} module but another one pop
up:
{noformat}
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:104)
	at org.apache.logging.log4j.core.config.NullConfiguration.<init>(NullConfiguration.java:30)
	at org.apache.logging.log4j.core.LoggerContext.<clinit>(LoggerContext.java:61)
	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:41)
	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}


> Log4j2 tries to SystemClassLoader when running on Google AppEngine
> ------------------------------------------------------------------
>
>                 Key: LOG4J2-1035
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1035
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Configurators
>    Affects Versions: 2.3
>         Environment: Google AppEngine
>            Reporter: Lukasz Lenart
>
> Apache Struts recently switched to Log4j2 as a base logging layer and this broke deployments
to Google AppEngine, below is the exception:
> {noformat}
> Uncaught exception from servlet
> java.lang.ExceptionInInitializerError
> 	at org.apache.logging.log4j.status.StatusLogger.<clinit>(StatusLogger.java:55)
> 	at org.apache.logging.log4j.LogManager.<clinit>(LogManager.java:56)
> 	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)
> Caused by: java.security.AccessControlException: access denied ("java.lang.RuntimePermission"
"getClassLoader")
> 	at java.security.AccessControlContext.checkPermission(AccessControlContext.java:382)
> 	at java.security.AccessController.checkPermission(AccessController.java:572)
> 	at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
> 	at com.google.apphosting.runtime.security.CustomSecurityManager.checkPermission(CustomSecurityManager.java:56)
> 	at java.lang.ClassLoader.checkClassLoaderPermission(ClassLoader.java:1606)
> 	at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:1525)
> 	at org.apache.logging.log4j.util.LoaderUtil.findUrlResources(LoaderUtil.java:192)
> 	at org.apache.logging.log4j.util.LoaderUtil.findResources(LoaderUtil.java:183)
> 	at org.apache.logging.log4j.util.PropertiesUtil.<init>(PropertiesUtil.java:90)
> 	at org.apache.logging.log4j.util.PropertiesUtil.<clinit>(PropertiesUtil.java:36)
> 	... 30 more
> {noformat}
> Looks like it tries to read a file from filesystem which is prohibited.



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