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https://issues.apache.org/jira/browse/ARIES-1615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Schneider updated ARIES-1615:
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Fix Version/s: jpa-2.5.0
> Calling the method createAndCloseDummyEMF() causes NullPointerException
> -----------------------------------------------------------------------
>
> Key: ARIES-1615
> URL: https://issues.apache.org/jira/browse/ARIES-1615
> Project: Aries
> Issue Type: Bug
> Components: JPA
> Affects Versions: jpa-2.4.0
> Environment: JPA: 2.4.0, EclipseLink: 2.6.3
> Reporter: Jens Offenbach
> Assignee: Christian Schneider
> Labels: jpa, jpa-container
> Fix For: jpa-2.5.0
>
>
> In the current version of JPAContainer the method call
> {{createAndCloseDummyEMF}} throws the following {{NullPointerException}}:
> {code}
> [EL Warning]: 2016-09-20
> 14:59:39.373--ServerSession(1864482722)--Thread(Thread[Start Level: Equinox
> Container:
> 80090ef3-307f-0016-1904-9194b7ab7645,5,main])--java.lang.NullPointerException
> [EL Severe]: 2016-09-20
> 14:59:39.373--ServerSession(1864482722)--Thread(Thread[Start Level: Equinox
> Container:
> 80090ef3-307f-0016-1904-9194b7ab7645,5,main])--java.lang.NullPointerException
> at
> org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:892)
> at
> org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeNoSelect(DatabaseAccessor.java:964)
> at
> org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:633)
> at
> org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:560)
> at
> org.eclipse.persistence.internal.sessions.AbstractSession.basicExecuteCall(AbstractSession.java:2056)
> at
> org.eclipse.persistence.sessions.server.ServerSession.executeCall(ServerSession.java:570)
> at
> org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:242)
> at
> org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:228)
> at
> org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeNoSelectCall(DatasourceCallQueryMechanism.java:271)
> at
> org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeNoSelect(DatasourceCallQueryMechanism.java:251)
> at
> org.eclipse.persistence.queries.DataModifyQuery.executeDatabaseQuery(DataModifyQuery.java:85)
> at
> org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQuery.java:904)
> at
> org.eclipse.persistence.internal.sessions.AbstractSession.internalExecuteQuery(AbstractSession.java:3271)
> at
> org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1857)
> at
> org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1839)
> at
> org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1790)
> at
> org.eclipse.persistence.internal.sessions.AbstractSession.priviledgedExecuteNonSelectingCall(AbstractSession.java:5079)
> at
> org.eclipse.persistence.tools.schemaframework.DatabaseObjectDefinition.createOnDatabase(DatabaseObjectDefinition.java:202)
> at
> org.eclipse.persistence.tools.schemaframework.SchemaManager.createObject(SchemaManager.java:223)
> at
> org.eclipse.persistence.tools.schemaframework.TableCreator.createTables(TableCreator.java:171)
> at
> org.eclipse.persistence.tools.schemaframework.TableCreator.createTables(TableCreator.java:148)
> at
> org.eclipse.persistence.tools.schemaframework.TableCreator.createTables(TableCreator.java:140)
> at
> org.eclipse.persistence.tools.schemaframework.SchemaManager.createDefaultTables(SchemaManager.java:1032)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.generateDefaultTables(EntityManagerFactoryProvider.java:109)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.writeDDLToDatabase(EntityManagerSetupImpl.java:4225)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.writeDDL(EntityManagerSetupImpl.java:4153)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.writeDDL(EntityManagerSetupImpl.java:4053)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:777)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getAbstractSession(EntityManagerFactoryDelegate.java:205)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getDatabaseSession(EntityManagerFactoryDelegate.java:183)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getDatabaseSession(EntityManagerFactoryImpl.java:528)
> at
> org.eclipse.persistence.jpa.PersistenceProvider.createContainerEntityManagerFactoryImpl(PersistenceProvider.java:385)
> at
> org.eclipse.persistence.jpa.PersistenceProvider.createContainerEntityManagerFactory(PersistenceProvider.java:313)
> at
> org.apache.aries.jpa.eclipselink.adapter.EclipseLinkPersistenceProvider.createContainerEntityManagerFactory(EclipseLinkPersistenceProvider.java:52)
> at
> org.apache.aries.jpa.container.impl.PersistenceProviderTracker.createAndCloseDummyEMF(PersistenceProviderTracker.java:105)
> at
> org.apache.aries.jpa.container.impl.PersistenceProviderTracker.addingService(PersistenceProviderTracker.java:85)
> at
> org.apache.aries.jpa.container.impl.PersistenceProviderTracker.addingService(PersistenceProviderTracker.java:44)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:1)
> at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
> at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:901)
> at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:109)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:914)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:862)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:801)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:127)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:225)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:464)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:482)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:998)
> at
> org.apache.aries.jpa.eclipselink.adapter.Activator.handlePotentialEclipseLink(Activator.java:116)
> at org.apache.aries.jpa.eclipselink.adapter.Activator.start(Activator.java:72)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)
> at
> org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
> at
> org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
> at org.eclipse.osgi.container.Module.doStart(Module.java:571)
> at org.eclipse.osgi.container.Module.start(Module.java:439)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1582)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1562)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1533)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1476)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
> {code}
> In the class {{DatabaseAccessor}} of EclipseLink the following code is called
> (line 1570):
> {code}
> statement = nativeConnection.prepareStatement(call.getSQLString());
> {code}
> The {{nativeConnection}} is return by the class {{DummyDataSource}} and is a
> dynamic proxy using {{DummyHandler}} as InvocationHandler. Because the method
> {{prepareStatement}} returns an instance of the type
> {{java.sql.PreparedStatement}} the method {{proxyClasses}} gets called. This
> method now returns {{null}}, because the type {{PreparedStatement}} is not
> covered by the if-clauses. The following call (line: 892)
> {code}
> rowCount = ((PreparedStatement)statement).executeUpdate(); }}
> {code}
> in the class {{DatabaseAccessor}} now results in a {{NullPointerExcpetion}}.
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