Here is the code: PersistenceManager pm = PMF.getInstance().getPersistenceManager(); try { Unit u = new Unit( id ); pm.makePersistent( u ); --->>> this is test.server.DBTestServiceImpl.addUnit(DBTestServiceImpl.java:26) } catch ( Exception e ) { e.printStackTrace(); return "ERROR"; } finally { pm.close(); } return "OK";
And here is the stacktrace: javax.jdo.JDOFatalUserException: Attempt was made to manually set the id component of a Key primary key. If you want to control the value of the primary key, set the name component instead. at org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException (NucleusJDOHelper.java:354) at org.datanucleus.jdo.JDOPersistenceManager.jdoMakePersistent (JDOPersistenceManager.java:674) at org.datanucleus.jdo.JDOPersistenceManager.makePersistent (JDOPersistenceManager.java:694) at test.server.DBTestServiceImpl.addUnit(DBTestServiceImpl.java:26) 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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse (RPC.java:527) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall (RemoteServiceServlet.java:166) at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost (RemoteServiceServlet.java:86) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) 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:124) 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) NestedThrowablesStackTrace: Attempt was made to manually set the id component of a Key primary key. If you want to control the value of the primary key, set the name component instead. org.datanucleus.exceptions.NucleusUserException: Attempt was made to manually set the id component of a Key primary key. If you want to control the value of the primary key, set the name component instead. at org.datanucleus.store.appengine.DatastoreFieldManager.storeKeyPK (DatastoreFieldManager.java:650) at org.datanucleus.store.appengine.DatastoreFieldManager.storePrimaryKey (DatastoreFieldManager.java:740) at org.datanucleus.store.appengine.DatastoreFieldManager.storeObjectField (DatastoreFieldManager.java:756) at org.datanucleus.state.AbstractStateManager.providedObjectField (AbstractStateManager.java:1037) at test.server.data.Unit.jdoProvideField(Unit.java) at test.server.data.Unit.jdoProvideFields(Unit.java) at org.datanucleus.state.JDOStateManagerImpl.provideFields (JDOStateManagerImpl.java:2715) at org.datanucleus.store.appengine.DatastorePersistenceHandler.insertObject (DatastorePersistenceHandler.java:180) at org.datanucleus.state.JDOStateManagerImpl.internalMakePersistent (JDOStateManagerImpl.java:3185) at org.datanucleus.state.JDOStateManagerImpl.makePersistent (JDOStateManagerImpl.java:3161) at org.datanucleus.ObjectManagerImpl.persistObjectInternal (ObjectManagerImpl.java:1298) 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 test.server.DBTestServiceImpl.addUnit(DBTestServiceImpl.java:26) 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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse (RPC.java:527) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall (RemoteServiceServlet.java:166) at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost (RemoteServiceServlet.java:86) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) 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$CachedChain.doFilter (ServletHandler.java:1084) at com.google.appengine.tools.development.StaticFileFilter.doFilter (StaticFileFilter.java:124) at org.mortbay.jetty.servlet.ServletHandler$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) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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