Hi, I have a JSF2 app that is able to run on my local instance. However,
after I deployed to GAE, i encountered an object serialization runtime error
on pages containing a UIPrameter object (e.g. <f:param id="param1"
value="foo" />)
I've tried the same app on glassfish (local) and tomcat (local), and they
both run fine. I suspect maybe it is not as simple as object serialization
problem? Could it be concurrent thread related issue? I can use an extra
pair of eyes to spot what am I missing here. Thank you
[code]
Uncaught exception from servlet
java.lang.RuntimeException: java.io.NotSerializableException:
javax.faces.component.UIParameter
at
com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java:358)
at
com.google.apphosting.runtime.jetty.DatastoreSessionStore.createEntityForSession(DatastoreSessionStore.java:71)
at
com.google.apphosting.runtime.jetty.DatastoreSessionStore.saveSession(DatastoreSessionStore.java:93)
at
com.google.apphosting.runtime.jetty.SessionManager$AppEngineSession.save(SessionManager.java:153)
at
com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:41)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at
com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:249)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
at
com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
at
com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:262)
at
com.google.apphosting.base.RuntimePb$EvaluationRuntime$2.handleRequest(RuntimePb.java:9819)
at com.google.net.rpc.impl.RpcUtil.handleRequest(RpcUtil.java:445)
at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:414)
at com.google.net.rpc.impl.Server$RpcTask.runInContext(Server.java:579)
at
com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:454)
at com.google.tracing.TraceContext.runInContext(TraceContext.java:694)
at
com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:332)
at
com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:324)
at
com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:452)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: java.io.NotSerializableException: javax.faces.component.UIParameter
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1173)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343)
at java.util.ArrayList.writeObject(ArrayList.java:673)
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:616)
at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:962)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1478)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1409)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1167)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1526)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1491)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1409)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1167)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343)
at java.util.HashMap.writeObject(HashMap.java:1018)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:962)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1478)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1409)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1167)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343)
at
com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java:355)
... 33 more
[/code]
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