Hey guys,
I have all my plugin tests passing except for one. I'm not sure if
it's a bug in OpenJPA or in my code. When I'm recursively fetching
entities, I will occasionally get this error.
<openjpa-2.1.0-r422266:1071316 nonfatal general error>
org.apache.openjpa.util.GeneralException: null
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:1003)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:897)
at
com.datastax.hectorjpa.meta.ToOneColumn.readField(ToOneColumn.java:127)
at
com.datastax.hectorjpa.store.EntityFacade.loadColumns(EntityFacade.java:237)
at
com.datastax.hectorjpa.store.CassandraStore.getObject(CassandraStore.java:97)
at
com.datastax.hectorjpa.store.CassandraStoreManager.load(CassandraStoreManager.java:160)
at
org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at
org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at
org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3061)
at
org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:3135)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1738)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1628)
at
org.apache.openjpa.kernel.StateManagerImpl.dirtyCheck(StateManagerImpl.java:915)
at
org.apache.openjpa.kernel.ManagedCache.dirtyCheck(ManagedCache.java:302)
at
org.apache.openjpa.kernel.BrokerImpl.hasTransactionalObjects(BrokerImpl.java:4029)
at
org.apache.openjpa.kernel.BrokerImpl.addToTransaction(BrokerImpl.java:4101)
at
org.apache.openjpa.kernel.StateManagerImpl.setPCState(StateManagerImpl.java:274)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:381)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:333)
at
com.datastax.hectorjpa.store.CassandraStoreManager.initialize(CassandraStoreManager.java:143)
at
org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
at
org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at
org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1022)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:980)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:897)
at
com.datastax.hectorjpa.meta.ToOneColumn.readField(ToOneColumn.java:127)
at
com.datastax.hectorjpa.store.EntityFacade.loadColumns(EntityFacade.java:237)
at
com.datastax.hectorjpa.store.CassandraStore.getObject(CassandraStore.java:97)
at
com.datastax.hectorjpa.store.CassandraStoreManager.load(CassandraStoreManager.java:160)
at
org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at
org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at
org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3061)
at
org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:3135)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1738)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1628)
at
org.apache.openjpa.kernel.StateManagerImpl.dirtyCheck(StateManagerImpl.java:915)
at
org.apache.openjpa.kernel.ManagedCache.dirtyCheck(ManagedCache.java:302)
at
org.apache.openjpa.kernel.BrokerImpl.hasTransactionalObjects(BrokerImpl.java:4029)
at
org.apache.openjpa.kernel.BrokerImpl.addToTransaction(BrokerImpl.java:4101)
at
org.apache.openjpa.kernel.StateManagerImpl.setPCState(StateManagerImpl.java:274)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:381)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:333)
at
com.datastax.hectorjpa.store.CassandraStoreManager.initialize(CassandraStoreManager.java:143)
at
org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
at
org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at
org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1022)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:980)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:897)
at
com.datastax.hectorjpa.meta.ToOneColumn.readField(ToOneColumn.java:127)
at
com.datastax.hectorjpa.store.EntityFacade.loadColumns(EntityFacade.java:237)
at
com.datastax.hectorjpa.store.CassandraStore.getObject(CassandraStore.java:97)
at
com.datastax.hectorjpa.store.CassandraStoreManager.load(CassandraStoreManager.java:160)
at
org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at
org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at
org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3061)
at
org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:3135)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1738)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1628)
at
org.apache.openjpa.kernel.StateManagerImpl.dirtyCheck(StateManagerImpl.java:915)
at
org.apache.openjpa.kernel.ManagedCache.dirtyCheck(ManagedCache.java:302)
at
org.apache.openjpa.kernel.BrokerImpl.hasTransactionalObjects(BrokerImpl.java:4029)
at org.apache.openjpa.kernel.BrokerImpl.setDirty(BrokerImpl.java:4146)
at
org.apache.openjpa.kernel.StateManagerImpl.setPCState(StateManagerImpl.java:278)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1701)
at
org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1628)
at
org.apache.openjpa.kernel.StateManagerImpl.dirtyCheck(StateManagerImpl.java:915)
at
org.apache.openjpa.kernel.ManagedCache.dirtyCheck(ManagedCache.java:302)
at
org.apache.openjpa.kernel.BrokerImpl.hasTransactionalObjects(BrokerImpl.java:4029)
at
org.apache.openjpa.kernel.BrokerImpl.addToTransaction(BrokerImpl.java:4101)
at
org.apache.openjpa.kernel.StateManagerImpl.setPCState(StateManagerImpl.java:274)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:381)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:333)
at
com.datastax.hectorjpa.store.CassandraStoreManager.initialize(CassandraStoreManager.java:143)
at
org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
at
org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at
org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1022)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:980)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:897)
at
com.datastax.hectorjpa.meta.ToOneColumn.readField(ToOneColumn.java:127)
at
com.datastax.hectorjpa.store.EntityFacade.loadColumns(EntityFacade.java:237)
at
com.datastax.hectorjpa.store.CassandraStore.getObject(CassandraStore.java:97)
at
com.datastax.hectorjpa.store.CassandraStoreManager.initialize(CassandraStoreManager.java:145)
at
org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
at
org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at
org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1022)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:980)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:897)
at
com.datastax.hectorjpa.meta.collection.OrderedCollectionField.readField(OrderedCollectionField.java:123)
at
com.datastax.hectorjpa.store.EntityFacade.loadColumns(EntityFacade.java:213)
at
com.datastax.hectorjpa.store.CassandraStore.getObject(CassandraStore.java:97)
at
com.datastax.hectorjpa.store.CassandraStoreManager.load(CassandraStoreManager.java:160)
at
org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at
org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at
org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3061)
at
org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:3135)
at
org.apache.openjpa.kernel.StateManagerImpl.fetchObjectField(StateManagerImpl.java:2383)
at
org.apache.openjpa.kernel.StateManagerImpl.fetchField(StateManagerImpl.java:865)
at
org.apache.openjpa.kernel.StateManagerImpl.fetch(StateManagerImpl.java:827)
at org.apache.openjpa.enhance.RedefinitionHelper
$1.invoke(RedefinitionHelper.java:230)
at $Proxy20.get(Unknown Source)
at
com.datastax.hectorjpa.store.ManyToOneIndexTest.basicFollowingDelete(ManyToOneIndexTest.java:203)
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.runners.model.FrameworkMethod
$1.runReflectiveCall(FrameworkMethod.java:44)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
at java.util.HashMap$KeyIterator.next(HashMap.java:828)
at
org.apache.openjpa.kernel.ManagedCache.dirtyCheck(ManagedCache.java:301)
at
org.apache.openjpa.kernel.BrokerImpl.hasTransactionalObjects(BrokerImpl.java:4029)
at
org.apache.openjpa.kernel.BrokerImpl.addToTransaction(BrokerImpl.java:4101)
at
org.apache.openjpa.kernel.StateManagerImpl.setPCState(StateManagerImpl.java:274)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:381)
at
org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:333)
at
com.datastax.hectorjpa.store.CassandraStoreManager.initialize(CassandraStoreManager.java:143)
at
org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
at
org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at
org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1022)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:980)
... 123 more
I don't get it when running in debug mode, so I think it's some sort of
race condition. Any ideas what I'm doing wrong in my code? Also, with
collection proxies created using OpenJPAStateManager.newProxyField(int
id), I'll occasionally have fields that have been removed from the
collection, but aren't returned via the change tracker's getRemoved().
Is this a know issue?
Thanks,
Todd
--
todd
SENIOR SOFTWARE ENGINEER
todd nine| spidertracks ltd | 117a the square
po box 5203 | palmerston north 4441 | new zealand
P: +64 6 353 3395
E: [email protected] W: www.spidertracks.com
