[weld-issues] [JBoss JIRA] Commented: (WELD-363) Weld throws NPE in Google App Engine

Sat Apr 9 19:02:33 EDT 2011

    [ https://issues.jboss.org/browse/WELD-363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12594630#comment-12594630 ] 

Ondrej Zizka commented on WELD-363:
-----------------------------------

Sorry, commented by mistake. And since I can't delete, ...

> Weld throws NPE in Google App Engine
> ------------------------------------
>
>                 Key: WELD-363
>                 URL: https://issues.jboss.org/browse/WELD-363
>             Project: Weld
>          Issue Type: Bug
>          Components: Reflection layer
>            Reporter: Shane Bryzak
>            Assignee: Pete Muir
>             Fix For: 1.0.1.CR1
>
>
> Weld is throwing the following NPE in Google App Engine - this is not happening on the first page render, rather on a refresh (Pete mentioned it is probably a serialization issue).  If you delete the session cookie and refresh the page again the exception is not thrown.
> EXCEPTION
> javax.servlet.ServletException: java.lang.NullPointerException
>     at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:240)
>     at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
>     at org.mortbay.jetty.Server.handle(Server.java:313)
>     at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
>     at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
>     at com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
>     at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
>     at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
>     at com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:235)
>     at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5235)
>     at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5233)
>     at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24)
>     at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:363)
>     at com.google.net.rpc.impl.Server$2.run(Server.java:838)
>     at com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56)
>     at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:536)
>     at com.google.net.rpc.impl.Server.startRpc(Server.java:793)
>     at com.google.net.rpc.impl.Server.processRequest(Server.java:368)
>     at com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:448)
>     at com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:319)
>     at com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:290)
>     at com.google.net.async.Connection.handleReadEvent(Connection.java:466)
>     at com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:759)
>     at com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:205)
>     at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:101)
>     at com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:251)
>     at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run(JavaRuntime.java:394)
>     at java.lang.Thread.run(Unknown Source)
> Caused by: java.lang.NullPointerException
>     at org.jboss.weld.introspector.ForwardingAnnotated.isAnnotationPresent(ForwardingAnnotated.java:50)
>     at org.jboss.weld.injection.FieldInjectionPoint.<init>(FieldInjectionPoint.java:62)
>     at org.jboss.weld.injection.FieldInjectionPoint.of(FieldInjectionPoint.java:55)
>     at org.jboss.weld.injection.FieldInjectionPoint$SerializationProxy.readResolve(FieldInjectionPoint.java:169)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>     at java.lang.reflect.Method.invoke(Unknown Source)
>     at java.io.ObjectStreamClass.invokeReadResolve(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.readObject(Unknown Source)
>     at java.util.ArrayList.readObject(Unknown Source)
>     at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>     at java.lang.reflect.Method.invoke(Unknown Source)
>     at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.readObject(Unknown Source)
>     at java.util.HashMap.readObject(Unknown Source)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>     at java.lang.reflect.Method.invoke(Unknown Source)
>     at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
>     at java.io.ObjectInputStream.readSerialData(Unknown Source)
>     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
>     at java.io.ObjectInputStream.readObject0(Unknown Source)
>     at java.io.ObjectInputStream.readObject(Unknown Source)
>     at com.google.apphosting.runtime.jetty.SessionManager.deserialize(SessionManager.java:385)
>     at com.google.apphosting.runtime.jetty.SessionManager.loadSession(SessionManager.java:307)
>     at com.google.apphosting.runtime.jetty.SessionManager.getSession(SessionManager.java:282)
>     at org.mortbay.jetty.servlet.AbstractSessionManager.getHttpSession(AbstractSessionManager.java:237)
>     at org.mortbay.jetty.Request.getSession(Request.java:998)
>     at com.sun.faces.application.WebappLifecycleListener.syncSessionScopedBeans(WebappLifecycleListener.java:393)
>     at com.sun.faces.application.WebappLifecycleListener.requestDestroyed(WebappLifecycleListener.java:117)
>     at com.sun.faces.config.ConfigureListener.requestDestroyed(ConfigureListener.java:341)
>     at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:725)
>     at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>     at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238)
>     ... 27 more

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