[OPENJPA-2302] Slice support for QueryCompilationCache

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.2.1, 2.3.0
• Component/s: slice
• Assignee: Unassigned
• Reporter: Fabio Martelli
• Created: 10/Dec/12 11:18
• Updated: 05/Apr/15 16:16

Description

It seems that slice doesn't support QueryCompilationCache.
By running the following test case ...

public class TestQueryCompilationCache extends SliceTestCase {

/**

• Specify persistence unit name as System property
• <code>-Dunit</code> or use the default value as
• <code>"slice"</code>.
  */
  protected String getPersistenceUnitName() { return System.getProperty("unit", "slice"); }

@Override
public void setUp()

{ super.setUp(PObject.class, "openjpa.QueryCompilationCache", "true"); }

public void testQueryCompilationCache()
throws Exception

{ OpenJPAEntityManager em = emf.createEntityManager(); em.getTransaction().begin(); em.createQuery("SELECT o from PObject o").getResultList(); em.getTransaction().commit(); em.close(); em = emf.createEntityManager(); em.createQuery("SELECT o from PObject o").getResultList(); em.close(); emf.close(); }

}

The following exception will be raised.

testQueryCompilationCache(org.apache.openjpa.slice.TestQueryCompilationCache) Time elapsed: 1.923 sec <<< ERROR!
<openjpa-2.3.0-SNAPSHOT-r422266:1416742 nonfatal general error> org.apache.openjpa.persistence.PersistenceException: The context has been closed. The stack trace at which the context was closed is available if Runtime=TRACE logging is enabled.
at org.apache.openjpa.slice.jdbc.DistributedStoreQuery$ParallelExecutor.executeQuery(DistributedStoreQuery.java:156)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:863)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:794)
at org.apache.openjpa.slice.DistributedQueryImpl.execute(DistributedQueryImpl.java:61)
at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542)
at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:286)
at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302)
at org.apache.openjpa.slice.TestQueryCompilationCache.testQueryCompilationCache(TestQueryCompilationCache.java:57)
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:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at org.apache.openjpa.slice.PersistenceTestCase.run(PersistenceTestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.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.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:115)
at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:102)
at org.apache.maven.surefire.Surefire.run(Surefire.java:180)
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.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:350)
at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1021)
Caused by: <openjpa-2.3.0-SNAPSHOT-r422266:1416742 fatal user error> org.apache.openjpa.persistence.InvalidStateException: The context has been closed. The stack trace at which the context was closed is available if Runtime=TRACE logging is enabled.
at org.apache.openjpa.kernel.BrokerImpl.assertOpen(BrokerImpl.java:4683)
at org.apache.openjpa.kernel.QueryImpl.assertOpen(QueryImpl.java:1700)
at org.apache.openjpa.kernel.QueryImpl.isUnique(QueryImpl.java:453)
at org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.calculateEagerMode(JDBCStoreQuery.java:483)
at org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeQuery(JDBCStoreQuery.java:174)
at org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeQuery(ExpressionStoreQuery.java:783)
at org.apache.openjpa.slice.jdbc.DistributedStoreQuery$QueryExecutor.call(DistributedStoreQuery.java:273)
at org.apache.openjpa.slice.jdbc.DistributedStoreQuery$QueryExecutor.call(DistributedStoreQuery.java:266)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)

Issue Links

• is related to: OPENJPA-2301 NullPointerException using Slice with openjpa.QueryCompilationCache enabled