I also get this exception, but only on the first call to
makePersistent.
First Call:
Exception
Store objects ?
Later Calls
Ok
Stores objects
Can't think of anything that causes this. I'm using Wicket, how about
you?
/Erik
On Sep 8, 7:48 pm, cancunmods <archie.she...@gmail.com> wrote:
> I am having trouble saving an object on google app engine. Here is my
> POJO class:
>
> package subasta.domain.users;
>
> import javax.jdo.annotations.IdentityType;
> import javax.jdo.annotations.PersistenceCapable;
> import javax.jdo.annotations.PrimaryKey;
> import javax.jdo.annotations.Persistent;
>
> @PersistenceCapable(identityType = IdentityType.APPLICATION)
> public class User {
> @PrimaryKey
> @Persistent
> private String nombre;
>
> public User(String nombre){
> this.nombre = nombre;
> }
>
> public String getNombre() {
> return nombre;
> }
>
> public void setNombre(String nombre) {
> this.nombre = nombre;
> }
>
> }
>
> Here is my JDO Code.:
>
> package subasta.repository.users;
>
> import java.util.Set;
> import java.util.logging.Logger;
>
> import javax.jdo.JDOHelper;
> import javax.jdo.PersistenceManagerFactory;
> import javax.jdo.PersistenceManager;
>
> import subasta.domain.users.User;
>
> public class JDOUserDAO implements UserDAO{
> /** Logger for this class and subclasses */
> private static final Logger log = Logger.getLogger(UserDAO.class
> .getName());
>
> private static final PersistenceManagerFactory pmf =
> JDOHelper.getPersistenceManagerFactory("transactions-
> optional");
>
> //PersistenceManagerFactory pmf;
>
> //public void setPmf(PersistenceManagerFactory pmf) {
> //this.pmf = pmf;
> //}
>
> public void saveUser(User user){
> PersistenceManager pm = pmf.getPersistenceManager();
> try{
> pm.makePersistent(user);
> }finally {
> pm.close();
> }
> }
>
> @SuppressWarnings("unchecked")
> public Set<User> getUsers(){
> PersistenceManager pm = pmf.getPersistenceManager();
> Set<User> users = (Set<User>)pm.getManagedObjects
> (User.class);
> pm.close();
> return users;
> }
>
> }
>
> Things go wrong when making the call tomakePersistent. The exception
> is:
>
> 08-sep-2009 16:51:35
> com.google.appengine.repackaged.com.google.common.base.FinalizableReferenceQueue
> <init>
> INFO: Failed to start reference finalizer thread. Reference cleanup
> will only occur when new references are created.
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.google.appengine.repackaged.com.google.common.base.FinalizableReferenceQueue.<init>
> (FinalizableReferenceQueue.java:124)
> at
> com.google.appengine.repackaged.com.google.common.labs.misc.InterningPools
> $WeakInterningPool.<clinit>(InterningPools.java:104)
> at
> com.google.appengine.repackaged.com.google.common.labs.misc.InterningPools.newWeakInterningPool
> (InterningPools.java:48)
> at
> com.google.appengine.repackaged.com.google.io.protocol.ProtocolSupport.<clinit>
> (ProtocolSupport.java:55)
> at com.google.apphosting.api.DatastorePb$PutRequest.freeze
> (DatastorePb.java:8452)
> at com.google.apphosting.api.DatastorePb$PutRequest$1.<init>
> (DatastorePb.java:8367)
> at com.google.apphosting.api.DatastorePb$PutRequest.<clinit>
> (DatastorePb.java:8364)
> at com.google.appengine.api.datastore.DatastoreServiceImpl.put
> (DatastoreServiceImpl.java:152)
> at com.google.appengine.api.datastore.DatastoreServiceImpl.put
> (DatastoreServiceImpl.java:138)
> at com.google.appengine.api.datastore.DatastoreServiceImpl.put
> (DatastoreServiceImpl.java:130)
> at
> org.datanucleus.store.appengine.RuntimeExceptionWrappingDatastoreService.put
> (RuntimeExceptionWrappingDatastoreService.java:93)
> at org.datanucleus.store.appengine.DatastorePersistenceHandler.put
> (DatastorePersistenceHandler.java:165)
> at org.datanucleus.store.appengine.DatastorePersistenceHandler.put
> (DatastorePersistenceHandler.java:112)
> at
> org.datanucleus.store.appengine.DatastorePersistenceHandler.insertObjects
> (DatastorePersistenceHandler.java:239)
> at
> org.datanucleus.store.appengine.DatastorePersistenceHandler.insertObject
> (DatastorePersistenceHandler.java:225)
> 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 subasta.repository.users.JDOUserDAO.saveUser(JDOUserDAO.java:
> 29)
> at subasta.web.users.RegisterController.onSubmit
> (RegisterController.java:38)
> at
> org.springframework.web.servlet.mvc.SimpleFormController.onSubmit
> (SimpleFormController.java:409)
> at
> org.springframework.web.servlet.mvc.SimpleFormController.onSubmit
> (SimpleFormController.java:381)
> at
> org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission
> (SimpleFormController.java:267)
> at
> org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal
> (AbstractFormController.java:265)
> at
> org.springframework.web.servlet.mvc.AbstractController.handleRequest
> (AbstractController.java:153)
> at
> org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle
> (SimpleControllerHandlerAdapter.java:48)
> at org.springframework.web.servlet.DispatcherServlet.doDispatch
> (DispatcherServlet.java:875)
> at org.springframework.web.servlet.DispatcherServlet.doService
> (DispatcherServlet.java:807)
> at org.springframework.web.servlet.FrameworkServlet.processRequest
> (FrameworkServlet.java:571)
> at org.springframework.web.servlet.FrameworkServlet.doPost
> (FrameworkServlet.java:511)
> 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: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:
> 205)
> 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)
> Caused by: java.security.AccessControlException:accessdenied
> (java.lang.RuntimePermission modifyThreadGroup)
> at java.security.AccessControlContext.checkPermission
> (AccessControlContext.java:323)
> at java.security.AccessController.checkPermission
> (AccessController.java:546)
> at java.lang.SecurityManager.checkPermission(SecurityManager.java:
> 532)
> at com.google.appengine.tools.development.DevAppServerFactory
> $CustomSecurityManager.checkPermission(DevAppServerFactory.java:139)
> at com.google.appengine.tools.development.DevAppServerFactory
> $CustomSecurityManager.checkAccess(DevAppServerFactory.java:166)
> at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:288)
> at java.lang.Thread.init(Thread.java:332)
> at java.lang.Thread.<init>(Thread.java:419)
> at
> com.google.appengine.repackaged.com.google.common.base.internal.Finalizer.<init>
> (Finalizer.java:96)
> at
> com.google.appengine.repackaged.com.google.common.base.internal.Finalizer.startFinalizer
> (Finalizer.java:82)
> ... 62 more
>
> I have tried google and nothing. Does anybody know what Im doing
> wrong? Thanks.
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