Thanks for your reply and warning:) Ths stack trace is javax.jdo.JDOException: Unexpected error during precommit at org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:419) at org.datanucleus.jdo.JDOTransaction.commit(JDOTransaction.java:132) at com.chrome.cml.ext.GenericDAOJDO.persist(GenericDAOJDO.java:59) at com.chrome.demo.test.OrderDAOTest.testGAE(OrderDAOTest.java:80) 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 junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.textui.TestRunner.doRun(TestRunner.java:116) at com.intellij.rt.execution.junit.IdeaTestRunner.doRun(IdeaTestRunner.java:94) at junit.textui.TestRunner.doRun(TestRunner.java:109) at com.intellij.rt.execution.junit.IdeaTestRunner.startRunnerWithArgs(IdeaTestRunner.java:22) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:118) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:40) 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.intellij.rt.execution.application.AppMain.main(AppMain.java:90) NestedThrowablesStackTrace: java.lang.NullPointerException at org.datanucleus.store.appengine.DatastoreFKListStore.isPrimaryKey(DatastoreFKListStore.java:137) at org.datanucleus.store.appengine.DatastoreFKListStore.getSortPredicates(DatastoreFKListStore.java:112) at org.datanucleus.store.appengine.DatastoreFKListStore.listIterator(DatastoreFKListStore.java:47) at org.datanucleus.store.mapped.scostore.AbstractListStore.listIterator(AbstractListStore.java:84) at org.datanucleus.store.mapped.scostore.AbstractListStore.iterator(AbstractListStore.java:74) at org.datanucleus.sco.backed.List.loadFromStore(List.java:241) at org.datanucleus.sco.backed.List.iterator(List.java:507) at org.datanucleus.store.fieldmanager.ReachabilityFieldManager.storeObjectField(ReachabilityFieldManager.java:116) at org.datanucleus.state.AbstractStateManager.providedObjectField(AbstractStateManager.java:1037) at com.chrome.demo.pojo.Order.jdoProvideField(Order.java) at com.chrome.demo.pojo.MasterEntityImpl.jdoProvideFields(MasterEntityImpl.java) at org.datanucleus.state.JDOStateManagerImpl.provideFields(JDOStateManagerImpl.java:2715) at org.datanucleus.state.JDOStateManagerImpl.runReachability(JDOStateManagerImpl.java:3091) at org.datanucleus.ObjectManagerImpl.performReachabilityAtCommit(ObjectManagerImpl.java:3042) at org.datanucleus.ObjectManagerImpl.preCommit(ObjectManagerImpl.java:2901) at org.datanucleus.TransactionImpl.internalPreCommit(TransactionImpl.java:369) at org.datanucleus.TransactionImpl.commit(TransactionImpl.java:256) at org.datanucleus.jdo.JDOTransaction.commit(JDOTransaction.java:83) at com.chrome.cml.ext.GenericDAOJDO.persist(GenericDAOJDO.java:59) at com.chrome.demo.test.OrderDAOTest.testGAE(OrderDAOTest.java:80) 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 junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.textui.TestRunner.doRun(TestRunner.java:116) at com.intellij.rt.execution.junit.IdeaTestRunner.doRun(IdeaTestRunner.java:94) at junit.textui.TestRunner.doRun(TestRunner.java:109) at com.intellij.rt.execution.junit.IdeaTestRunner.startRunnerWithArgs(IdeaTestRunner.java:22) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:118) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:40) 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.intellij.rt.execution.application.AppMain.main(AppMain.java:90)
.. On Fri, Jan 1, 2010 at 1:33 PM, datanucleus <andy_jeffer...@yahoo.com> wrote: > The cause exception and stack trace don't seem to be posted. > Without those you'd have to provide a crystal ball with your post to > be able offer a comment ;-) > > -- > > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to google-appengine-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.