java.lang.NullPointerException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • Merge a transient entity with a component mapping with a parent mapping causes java.lang.NullPointerException at org.hibernate.engine.StatefulPersistenceContext.proxyFor(StatefulPersistenceContext.java:693) at org.hibernate.type.ComponentType.instantiate(ComponentType.java:515) at org.hibernate.type.ComponentType.replace(ComponentType.java:482) at org.hibernate.type.TypeFactory.replace(TypeFactory.java:538) at org.hibernate.event.def.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:429) at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:231) at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:170) at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:81) at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:704) at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:688) at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:692) at test.TransientMergeComponentParentTest.testTransientMergeComponentParent(TransientMergeComponentParentTest.java:31) 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 org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99) at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75) at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45) at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66) at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35) at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) Removing @Parent mappings from component solved the problem. Attached is an eclipse project with demonstration minus the hibernate core 3.3.1, annotations 3.4.0 dependencies and hsqldb jar.
    via by Vinnie Luther,
  • Merge a transient entity with a component mapping with a parent mapping causes java.lang.NullPointerException at org.hibernate.engine.StatefulPersistenceContext.proxyFor(StatefulPersistenceContext.java:693) at org.hibernate.type.ComponentType.instantiate(ComponentType.java:515) at org.hibernate.type.ComponentType.replace(ComponentType.java:482) at org.hibernate.type.TypeFactory.replace(TypeFactory.java:538) at org.hibernate.event.def.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:429) at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:231) at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:170) at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:81) at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:704) at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:688) at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:692) at test.TransientMergeComponentParentTest.testTransientMergeComponentParent(TransientMergeComponentParentTest.java:31) 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 org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99) at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75) at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45) at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66) at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35) at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) Removing @Parent mappings from component solved the problem. Attached is an eclipse project with demonstration minus the hibernate core 3.3.1, annotations 3.4.0 dependencies and hsqldb jar.
    via by Vinnie Luther,
    • java.lang.NullPointerException at org.hibernate.engine.StatefulPersistenceContext.proxyFor(StatefulPersistenceContext.java:693) at org.hibernate.type.ComponentType.instantiate(ComponentType.java:515) at org.hibernate.type.ComponentType.replace(ComponentType.java:482) at org.hibernate.type.TypeFactory.replace(TypeFactory.java:538) at org.hibernate.event.def.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:429) at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:231) at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:170) at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:81) at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:704) at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:688) at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:692) at test.TransientMergeComponentParentTest.testTransientMergeComponentParent(TransientMergeComponentParentTest.java:31) 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 org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99) at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75) at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45) at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66) at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35) at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
    No Bugmate found.