It would be bug or limitation of development environment. I have not met them on real appengine environment because container looks like running on single thread model. Normally it would not need to be synchronized I think.
On Sep 11, 4:41 pm, "patrizio.munzi" <[email protected]> wrote: > Isn't this an important subject to address? > Are all method calling the makePersistent method needed to be > synchronized...?? > Is this a bug..?? > > No one has any consideration??? > > Thanks > > On Sep 10, 10:35 am, "patrizio.munzi" <[email protected]> wrote: > > > I did a few more investigation and It looks like a threads safety > > problem. > > In fact if I synchronize the method > > com.myapp.server.datastore.EventsManager.addEvent whithin > > makePersistent is called everything works fine. > > > I think here experts are needed.. > > :-) > > > Bye > > > On Sep 10, 10:18 am, "patrizio.munzi" <[email protected]> wrote: > > > > Hi everybody I'm having an ArrayOutOfBoundException from nucleus... > > > > I don't know where it comes from... > > > Can anyone give me some information about it... > > > Here's the stack trace... > > > ----------------------------------------------- > > > The server is running athttp://localhost:8181/ > > > java.lang.ArrayIndexOutOfBoundsException: 1187 > > > at org.datanucleus.plugin.ConfigurationElement.putAttribute > > > (ConfigurationElement.java:104) > > > at > > > org.datanucleus.store.appengine.DatastorePluginRegistry.getExtensionPoint > > > (DatastorePluginRegistry.java:59) > > > at org.datanucleus.plugin.PluginManager.getExtensionPoint > > > (PluginManager.java:65) > > > at > > > org.datanucleus.plugin.PluginManager.getConfigurationElementForExtension > > > (PluginManager.java:113) > > > at > > > org.datanucleus.plugin.PluginManager.getAttributeValueForExtension > > > (PluginManager.java:230) > > > at org.datanucleus.ObjectManagerImpl.getCallbackHandler > > > (ObjectManagerImpl.java:3804) > > > at org.datanucleus.state.AbstractStateManager.getCallbackHandler > > > (AbstractStateManager.java:160) > > > at > > > org.datanucleus.state.JDOStateManagerImpl.initialiseForPersistentNew > > > (JDOStateManagerImpl.java:466) > > > at > > > org.datanucleus.state.StateManagerFactory.newStateManagerForPersistentNew > > > (StateManagerFactory.java:151) > > > at org.datanucleus.ObjectManagerImpl.persistObjectInternal > > > (ObjectManagerImpl.java:1297) > > > at org.datanucleus.ObjectManagerImpl.persistObject > > > (ObjectManagerImpl.java:1175) > > > at org.datanucleus.jdo.JDOPersistenceManager.jdoMakePersistent > > > (JDOPersistenceManager.java:669) > > > at org.datanucleus.jdo.JDOPersistenceManager.makePersistent > > > (JDOPersistenceManager.java:694) > > > at com.myapp.server.datastore.EventsManager.addEvent > > > (EventsManager.java:167) > > > at > > > com.myapp.server.restlet.EventResource.addEvent(EventResource.java: > > > 30) > > > at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) > > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > > > at java.lang.reflect.Method.invoke(Unknown Source) > > > at > > > org.restlet.resource.ServerResource.doHandle(ServerResource.java: > > > 390) > > > at > > > org.restlet.resource.ServerResource.doHandle(ServerResource.java: > > > 328) > > > at org.restlet.resource.ServerResource.doNegotiatedHandle > > > (ServerResource.java:581) > > > at org.restlet.resource.ServerResource.doConditionalHandle > > > (ServerResource.java:254) > > > at org.restlet.resource.ServerResource.handle(ServerResource.java: > > > 923) > > > at org.restlet.resource.Finder.handle(Finder.java:510) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.routing.Router.doHandle(Router.java:321) > > > at org.restlet.routing.Router.handle(Router.java:520) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.engine.application.StatusFilter.doHandle > > > (StatusFilter.java:152) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.engine.ChainHelper.handle(ChainHelper.java:111) > > > at org.restlet.engine.application.ApplicationHelper.handle > > > (ApplicationHelper.java:72) > > > at org.restlet.Application.handle(Application.java:344) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.routing.Router.doHandle(Router.java:321) > > > at org.restlet.routing.Router.handle(Router.java:520) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.routing.Router.doHandle(Router.java:321) > > > at org.restlet.routing.Router.handle(Router.java:520) > > > at org.restlet.routing.Filter.doHandle(Filter.java:156) > > > at org.restlet.routing.Filter.handle(Filter.java:201) > > > at org.restlet.engine.ChainHelper.handle(ChainHelper.java:111) > > > at org.restlet.Component.handle(Component.java:403) > > > at org.restlet.Server.handle(Server.java:350) > > > at org.restlet.engine.ServerHelper.handle(ServerHelper.java:71) > > > at org.restlet.engine.http.HttpServerHelper.handle > > > (HttpServerHelper.java:149) > > > at > > > org.restlet.ext.servlet.ServerServlet.service(ServerServlet.java: > > > 967) > > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) > > > at > > > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > > > 487) > > > at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter > > > (ServletHandler.java:1093) > > > at > > > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter > > > (TransactionCleanupFilter.java:43) > > > at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter > > > (ServletHandler.java:1084) > > > at > > > com.google.appengine.tools.development.StaticFileFilter.doFilter > > > (StaticFileFilter.java:121) > > > at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter > > > (ServletHandler.java:1084) > > > at org.mortbay.jetty.servlet.ServletHandler.handle > > > (ServletHandler.java:360) > > > at org.mortbay.jetty.security.SecurityHandler.handle > > > (SecurityHandler.java:216) > > > at org.mortbay.jetty.servlet.SessionHandler.handle > > > (SessionHandler.java:181) > > > at org.mortbay.jetty.handler.ContextHandler.handle > > > (ContextHandler.java:712) > > > at > > > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: > > > 405) > > > at > > > com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle > > > (DevAppEngineWebAppContext.java:54) > > > at org.mortbay.jetty.handler.HandlerWrapper.handle > > > (HandlerWrapper.java:139) > > > at com.google.appengine.tools.development.JettyContainerService > > > $ApiProxyHandler.handle(JettyContainerService.java:313) > > > at org.mortbay.jetty.handler.HandlerWrapper.handle > > > (HandlerWrapper.java:139) > > > at org.mortbay.jetty.Server.handle(Server.java:313) > > > at > > > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: > > > 506) > > > at org.mortbay.jetty.HttpConnection$RequestHandler.content > > > (HttpConnection.java:844) > > > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644) > > > at > > > org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) > > > at > > > org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) > > > at org.mortbay.io.nio.SelectChannelEndPoint.run > > > (SelectChannelEndPoint.java:396) > > > at org.mortbay.thread.BoundedThreadPool$PoolThread.run > > > (BoundedThreadPool.java:442) > > > ------------------------------------------ > > > > Thanks > > --~--~---------~--~----~------------~-------~--~----~ 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