Does anybody have any idea as to how this problem can be solved? Please help.
Thanks Chinua On Apr 24, 12:42 am, CodeMan <[email protected]> wrote: > Hi, > > Can you please take a look at this error.It has been pending for many > days and I really don't have any clue. This code works fine on my > local machine but when deployed it throws exceptions. > > This is the class that genarates the error. > > @ManagedBean() > @SessionScoped > public class MyTemplates implements java.io.Serializable{ > Template template; > String text; > List<Template> templates; > String owner; > > public String getMyTemplates(){ > this.owner=this.getUser("getMyTemplates"); > PersistenceManager pm = PMF.get().getPersistenceManager();// > String query = "select from " + Template.class.getName() + " > where owner=='"+owner+"' ";//order by name > this.templates = (List<Template>) pm.newQuery(query).execute(); > int n=templates.size(); > if(n==0) this.text="No Templates"; > else this.text=""; > System.out.print("Got Tempaltes::"+n); > return "viewtemp.xhtml"; > > } > > --setters-- > --getters-- > > } > > Template has the following definition > > @PersistenceCapable(identityType = IdentityType.APPLICATION) > public class Template implements java.io.Serializable{ > @PrimaryKey > @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) > private Long id; > @Persistent > String name; > @Persistent > String description; > @Persistent > String height; > @Persistent > String width; > @Persistent > String fontcolor; > @Persistent > String bgcolor; > @Persistent > String owner; > > --setters-- > --getters-- > > } > > Here is the error: > > # > > 1. > 04-19 01:42PM 52.901 /pages/newcbx.faces 500 18322ms 24015cpu_ms > 40api_cpu_ms 0kb Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: > 1.9.0.17) Gecko/2009122116 Firefox/3.0.17 (.NET CLR > 3.5.30729),gzip(gfe) > See details > > 98.229.74.17 - - [19/Apr/2010:13:43:11 -0700] "POST /pages/ > newcbx.faces HTTP/1.1" 500 0 "http://ezcomment.appspot.com/pages/ > dusers.faces" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: > 1.9.0.17) Gecko/2009122116 Firefox/3.0.17 (.NET CLR > 3.5.30729),gzip(gfe)" "ezcomment.appspot.com" > > 2. > W 04-19 01:43PM 02.874 > > [ezcomment/1.341368964543160070].<stderr>: SystemId Unknown; > Line #57; Column #31; Failed calling setMethod method > > 3. > W 04-19 01:43PM 03.367 > > [ezcomment/1.341368964543160070].<stderr>: SystemId Unknown; > Line #57; Column #31; Failed calling setMethod method > > 4. > W 04-19 01:43PM 11.177 > > /pages/newcbx.faces > java.lang.RuntimeException: java.io.NotSerializableException: > org.datanucleus.store.appengine.query.DatastoreQuery$2 > at > com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java: > 361) > at > com.google.apphosting.runtime.jetty.SessionManager.createEntityForSession(SessionManager.java: > 341) > at com.google.apphosting.runtime.jetty.SessionManager > $AppEngineSession.save(SessionManager.java:162) > 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: > 238) > 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 > $RequestHandler.headerComplete(HttpConnection.java:923) > at > com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java: > 76) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java: > 404) > at > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java: > 135) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java: > 243) > at com.google.apphosting.base.RuntimePb$EvaluationRuntime > $6.handleBlockingRequest(RuntimePb.java:5485) > at com.google.apphosting.base.RuntimePb$EvaluationRuntime > $6.handleBlockingRequest(RuntimePb.java:5483) > at > com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java: > 24) > at > com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:398) > at com.google.net.rpc.impl.Server$2.run(Server.java:852) > 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:807) > at com.google.net.rpc.impl.Server.processRequest(Server.java: > 369) > at > com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java: > 442) > 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:474) > at > com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java: > 831) > at > com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java: > 207) > at > com.google.net.async.EventDispatcher.loop(EventDispatcher.java:103) > at > com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java: > 251) > at com.google.apphosting.runtime.JavaRuntime > $RpcRunnable.run(JavaRuntime.java:404) > at java.lang.Thread.run(Unknown Source) > Caused by: java.io.NotSerializableException: > org.datanucleus.store.appengine.query.DatastoreQuery$2 > at java.io.ObjectOutputStream.writeObject0(Unknown Source) > at java.io.ObjectOutputStream.writeObject(Unknown Source) > at java.util.ArrayList.writeObject(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.invokeWriteObject(Unknown Source) > at java.io.ObjectOutputStream.writeSerialData(Unknown Source) > at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown > Source) > at java.io.ObjectOutputStream.writeObject0(Unknown Source) > at java.io.ObjectOutputStream.defaultWriteFields(Unknown > Source) > at java.io.ObjectOutputStream.writeSerialData(Unknown Source) > at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown > Source) > at java.io.ObjectOutputStream.writeObject0(Unknown Source) > at java.io.ObjectOutputStream.defaultWriteFields(Unknown > Source) > at java.io.ObjectOutputStream.writeSerialData(Unknown Source) > at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown > Source) > at java.io.ObjectOutputStream.writeObject0(Unknown Source) > at java.io.ObjectOutputStream.writeObject(Unknown Source) > at java.util.HashMap.writeObject(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.invokeWriteObject(Unknown Source) > at java.io.ObjectOutputStream.writeSerialData(Unknown Source) > at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown > Source) > at java.io.ObjectOutputStream.writeObject0(Unknown Source) > at java.io.ObjectOutputStream.writeObject(Unknown Source) > at > com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java: > 358) > ... 39 more > > 5. > C 04-19 01:43PM 11.197 > > Uncaught exception from servlet > java.lang.RuntimeException: java.io.NotSerializableException: > org.datanucleus.store.appengine.query.DatastoreQuery$2 > at > com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java: > 361) > at > com.google.apphosting.runtime.jetty.SessionManager.createEntityForSession(SessionManager.java: > 341) > at com.google.apphosting.runtime.jetty.SessionManager > $AppEngineSession.save(SessionManager.java:162) > 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: > 238) > 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: > 243) ... > > read more » -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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