I am seeing this exception stacktrace in my logs quite often. It seems to be related to the GAE environment not being threaded. Is there anything to be done so that I don't see this anymore?
Others report seeing similar issues here<https://code.google.com/p/google-guice/wiki/GoogleAppEngine> and here<http://stackoverflow.com/questions/2110905/on-google-app-engine-i-get-an-invocationtargetexception-the-first-time-i-query-t>. It eats up cpu time, clogs my event logs. Other than ignoring all Info logs how can I get rid of this? INFO: Failed to start reference finalizer thread. Reference cleanup will only occur when new references are created. java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:115) at com.google.inject.internal.util.$FinalizableReferenceQueue.<init>(FinalizableReferenceQueue.java:124) at com.google.inject.internal.util.$MapMaker$QueueHolder.<clinit>(MapMaker.java:787) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at com.google.appengine.tools.development.agent.runtime.RuntimeHelper.checkRestricted(RuntimeHelper.java:70) at com.google.appengine.tools.development.agent.runtime.Runtime.checkRestricted(Runtime.java:64) at com.google.inject.internal.util.$MapMaker$WeakEntry.<init>(MapMaker.java:946) at com.google.inject.internal.util.$MapMaker$Strength$1.newEntry(MapMaker.java:312) at com.google.inject.internal.util.$MapMaker$StrategyImpl.newEntry(MapMaker.java:498) at com.google.inject.internal.util.$MapMaker$StrategyImpl.newEntry(MapMaker.java:419) at com.google.inject.internal.util.$CustomConcurrentHashMap$ComputingImpl.get(CustomConcurrentHashMap.java:2029) at com.google.inject.internal.Annotations$AnnotationChecker.hasAnnotations(Annotations.java:116) at com.google.inject.internal.Annotations.isBindingAnnotation(Annotations.java:180) at com.google.inject.Key.ensureIsBindingAnnotation(Key.java:366) at com.google.inject.Key.strategyFor(Key.java:338) at com.google.inject.Key.get(Key.java:272) at com.google.inject.internal.AbstractBindingBuilder.annotatedWithInternal(AbstractBindingBuilder.java:82) at com.google.inject.internal.ConstantBindingBuilderImpl.annotatedWith(ConstantBindingBuilderImpl.java:49) at com.google.api.ads.common.lib.auth.AuthModule.configure(AuthModule.java:25) at com.google.inject.AbstractModule.configure(AbstractModule.java:59) at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:223) at com.google.inject.AbstractModule.install(AbstractModule.java:118) at com.google.api.ads.common.lib.AdsModule.configure(AdsModule.java:35) at com.google.api.ads.adwords.lib.AdWordsModule.configure(AdWordsModule.java:35) at com.google.inject.AbstractModule.configure(AbstractModule.java:59) at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:223) at com.google.inject.spi.Elements.getElements(Elements.java:101) at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:133) at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:103) at com.google.inject.Guice.createInjector(Guice.java:95) at com.google.inject.Guice.createInjector(Guice.java:72) at com.google.inject.Guice.createInjector(Guice.java:62) at com.google.api.ads.adwords.lib.utils.AdWordsInternals.<clinit>(AdWordsInternals.java:36) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at com.google.appengine.tools.development.agent.runtime.RuntimeHelper.checkRestricted(RuntimeHelper.java:70) at com.google.appengine.tools.development.agent.runtime.Runtime.checkRestricted(Runtime.java:64) at com.google.api.ads.adwords.lib.client.AdWordsSession$Builder.<init>(AdWordsSession.java:249) at front.DailyServlet.doGet(DailyServlet.java:120) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:123) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:63) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectRequest(DevAppServerModulesFilter.java:368) at com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectModuleRequest(DevAppServerModulesFilter.java:351) at com.google.appengine.tools.development.DevAppServerModulesFilter.doFilter(DevAppServerModulesFilter.java:116) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:97) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:485) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: java.security.AccessControlException: access denied ("java.lang.RuntimePermission" "modifyThreadGroup") at java.security.AccessControlContext.checkPermission(AccessControlContext.java:372) at java.security.AccessController.checkPermission(AccessController.java:559) at java.lang.SecurityManager.checkPermission(SecurityManager.java:549) at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:431) at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkAccess(DevAppServerFactory.java:456) at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:315) at java.lang.Thread.init(Thread.java:389) at java.lang.Thread.init(Thread.java:349) at java.lang.Thread.<init>(Thread.java:507) at com.google.inject.internal.util.$Finalizer.<init>(Finalizer.java:92) at com.google.inject.internal.util.$Finalizer.startFinalizer(Finalizer.java:81) ... 81 more -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ 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