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From "Nik Maximov (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1892) NullPointerException thrown by the BrokerImpl.find() if requesting an entity which is marked by the @Cacheable(false) annotation
Date Fri, 19 Nov 2010 09:11:13 GMT
NullPointerException thrown by the BrokerImpl.find() if requesting an entity which is marked
by the @Cacheable(false) annotation
--------------------------------------------------------------------------------------------------------------------------------

                 Key: OPENJPA-1892
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1892
             Project: OpenJPA
          Issue Type: Bug
          Components: kernel
    Affects Versions: 2.0.0
         Environment: OpenJPA 2.0.0
PostgreSQL 8.4
Application managed env
            Reporter: Nik Maximov


The configuration is as follows:
1. We have two entities which are in parent-child relationship (class Parent, class Child
extends Parent)
2. The child entity is marked by the @Cacheable(false) annotation
3. The parent entity is not marked by the @Cacheable annotation
4. Shared cache configuration is set to DISABLE_SELECTIVE
5. Transaction type is RESOURCE_LOCAL

The test case is:
1. Create an instance of the Child entity and set some properties
2. Persist the entity by calling the EntityManager.persist() method
3. Request the entity using EntityManager.find() method and make sure the returned instance
is the same which been persisted.
4. Clear L1 cache usign EntityManager.clear() mwthod
5. Repeat step 3. Here we get NPE in the BrokerImpl.find()

<openjpa-2.0.0-r422266:935683 nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
null
FailedObject: 2051 [org.apache.openjpa.util.StringId] [java.lang.String]
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:986)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:880)
	at org.apache.openjpa.kernel.DelegatingBroker.find(DelegatingBroker.java:223)
	at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:476)
	at test.openjpa.caching.TestOpenJPACacheable.test(TestOpenJPACacheable.java:55)
	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.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
	at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
	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:345)
	at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
Caused by: java.lang.NullPointerException
	at org.apache.openjpa.datacache.DataCacheStoreManager.newPCData(DataCacheStoreManager.java:670)
	at org.apache.openjpa.datacache.DataCacheStoreManager.cacheStateManager(DataCacheStoreManager.java:374)
	at org.apache.openjpa.datacache.DataCacheStoreManager.initialize(DataCacheStoreManager.java:353)
	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:1005)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:963)
	... 32 more


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