Hello list.
I upgraded OpenJPA from 1.2.0 to 1.2.1 and have the following exception.
My environment is MySql 5.0.51 (MyISAM storage manager) and JRE Sun
1.6.0_13-b03. The application works without this exception with OpenJPA
1.2.0.
Optimistic locking errors were detected when flushing to the data store.
The following objects may have been concurrently modified in another
transaction:
[org.opencms.db.jpa.persistence.CmsDAOOfflineResources-3e51ea18-2abb-11de-93fb-4b60ca370499]
<openjpa-1.2.1-r752877:753278 fatal store error>
org.apache.openjpa.persistence.RollbackException: Optimistic locking
errors were detected when flushing to the data store. The following
objects may have been concurrently modified in another transaction:
[org.opencms.db.jpa.persistence.CmsDAOOfflineResources-3e51ea18-2abb-11de-93fb-4b60ca370499]
at
org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:523)
at org.opencms.db.jpa.CmsDbContext.commitAndClose(CmsDbContext.java:129)
at org.opencms.db.jpa.CmsDbContext.clear(CmsDbContext.java:73)
at
org.opencms.db.CmsSecurityManager.publishProject(CmsSecurityManager.java:3107)
at
org.opencms.publish.CmsPublishManager.publishProject(CmsPublishManager.java:501)
at
org.opencms.publish.CmsPublishManager.publishProject(CmsPublishManager.java:525)
at
org.opencms.publish.CmsPublishManager.publishResource(CmsPublishManager.java:563)
at
org.opencms.file.TestPublishIssues.testPublishFolderWithDeletedFileFromOtherProject(TestPublishIssues.java:335)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)
at junit.extensions.TestSetup$1.protect(TestSetup.java:19)
at junit.extensions.TestSetup.run(TestSetup.java:23)
Caused by: <openjpa-1.2.1-r752877:753278 nonfatal store error>
org.apache.openjpa.persistence.OptimisticLockException: Optimistic
locking errors were detected when flushing to the data store. The
following objects may have been concurrently modified in another
transaction:
[org.opencms.db.jpa.persistence.CmsDAOOfflineResources-3e51ea18-2abb-11de-93fb-4b60ca370499]
at
org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerImpl.java:2160)
at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2010)
at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:1908)
at
org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1826)
at
org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81)
at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1350)
at
org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:877)
at
org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:512)
Caused by: <openjpa-1.2.1-r752877:753278 nonfatal store error>
org.apache.openjpa.persistence.OptimisticLockException: An optimistic
lock violation was detected when flushing object instance
"org.opencms.db.jpa.persistence.CmsDAOOfflineResources-3e51ea18-2abb-11de-93fb-4b60ca370499"
to the data store. This indicates that the object was concurrently
modified in another transaction.
FailedObject:
org.opencms.db.jpa.persistence.CmsDAOOfflineResources-3e51ea18-2abb-11de-93fb-4b60ca370499
at
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushAndUpdate(PreparedStatementManagerImpl.java:124)
at
org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushAndUpdate(BatchingPreparedStatementManagerImpl.java:82)
at
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushInternal(PreparedStatementManagerImpl.java:89)
at
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flush(PreparedStatementManagerImpl.java:72)
at
org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdateManager.java:543)
at
org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdateManager.java:106)
at
org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(BatchingConstraintUpdateManager.java:59)
at
org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:89)
at
org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:72)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:717)
at
org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:130)
at
org.apache.openjpa.datacache.DataCacheStoreManager.flush(DataCacheStoreManager.java:562)
at
org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:130)
Best regards
Georgi
