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Posted to dev@openjpa.apache.org by "Dmitry Pavlov (Issue Comment Edited) (JIRA)" <ji...@apache.org> on 2012/02/27 13:31:51 UTC
[jira] [Issue Comment Edited] (OPENJPA-2144) Using recursive
relationships along with Identity Class leads to NullPointerException
[ https://issues.apache.org/jira/browse/OPENJPA-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217165#comment-13217165 ]
Dmitry Pavlov edited comment on OPENJPA-2144 at 2/27/12 12:31 PM:
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Provided utit test demonstrates the issue ( see testTree() ).
It also shows query problems while using "Identity Class"
(see testPreparedSQLQueryToTree()).
was (Author: dmitry.pavlov):
Provided utit test demonstrates the issue ( see testTree() ).
It alse shows query problems while using "Identity Class"
(see testPreparedSQLQueryToTree()).
> Using recursive relationships along with Identity Class leads to NullPointerException
> -------------------------------------------------------------------------------------
>
> Key: OPENJPA-2144
> URL: https://issues.apache.org/jira/browse/OPENJPA-2144
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 1.2.2, 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.2.0
> Reporter: Dmitry Pavlov
> Attachments: TestRecursiveRelationshipsWithIdClass.jar, openjpa-2144-trunk.patch
>
>
> Partially defined entity:
> @Entity
> @IdClass(Node2.ID.class)
> public class Node2 {
> @Id
> @GeneratedValue
> private long id;
> @Id private int region = 1;
> @Id private int district = 2;
> @ManyToOne(fetch = LAZY)
> @JoinColumns({
> @JoinColumn(name = "PARENT_ID", referencedColumnName = "ID"),
> @JoinColumn(name = "REGION", referencedColumnName = "REGION"),
> @JoinColumn(name = "DISTRICT", referencedColumnName = "DISTRICT") })
> private Node2 parent;
> @OneToMany(mappedBy = "parent", cascade = ALL, fetch = LAZY)
> private List<Node2> nodes = new ArrayList<Node2>();
> // getters, setters, etc.
> // full text will be attached as a unit test: TestRecursiveRelationshipsWithIdClass.testTree()
> An attempt to use a such entity leads to:
> FailedObject: org.apache.openjpa.persistence.recursive.idclass.Node2-1151::1::2 [java.lang.String]
> at org.apache.openjpa.kernel.BrokerImpl.refreshInternal(BrokerImpl.java:3107)
> at org.apache.openjpa.kernel.BrokerImpl.refresh(BrokerImpl.java:2998)
> at org.apache.openjpa.kernel.DelegatingBroker.refresh(DelegatingBroker.java:1134)
> at org.apache.openjpa.persistence.EntityManagerImpl.refresh(EntityManagerImpl.java:780)
> at org.apache.openjpa.persistence.EntityManagerImpl.refresh(EntityManagerImpl.java:757)
> at org.apache.openjpa.persistence.recursive.idclass.TestRecursiveRelationshipsWithIdClass.setUpInitialTree(TestRecursiveRelationshipsWithIdClass.java:130)
> at org.apache.openjpa.persistence.recursive.idclass.TestRecursiveRelationshipsWithIdClass.testPreparedSQLQueryToTree(TestRecursiveRelationshipsWithIdClass.java:92)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:600)
> at junit.framework.TestCase.runTest(TestCase.java:154)
> at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.runTest(AbstractPersistenceTestCase.java:579)
> at junit.framework.TestCase.runBare(TestCase.java:127)
> at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.runBare(AbstractPersistenceTestCase.java:566)
> at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.runBare(AbstractPersistenceTestCase.java:542)
> at junit.framework.TestResult$1.protect(TestResult.java:106)
> at junit.framework.TestResult.runProtected(TestResult.java:124)
> at junit.framework.TestResult.run(TestResult.java:109)
> at junit.framework.TestCase.run(TestCase.java:118)
> at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.run(AbstractPersistenceTestCase.java:206)
> at junit.framework.TestSuite.runTest(TestSuite.java:208)
> at junit.framework.TestSuite.run(TestSuite.java:203)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:600)
> at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
> at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:115)
> at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:102)
> at org.apache.maven.surefire.Surefire.run(Surefire.java:180)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:600)
> at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:350)
> at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1021)
> Caused by: java.lang.NullPointerException
> at org.apache.openjpa.util.ApplicationIds$PrimaryKeyFieldManager.fetchLongField(ApplicationIds.java:669)
> at org.apache.openjpa.persistence.recursive.idclass.Node2.pcCopyKeyFieldsToObjectId(Node2.java)
> at org.apache.openjpa.enhance.PCRegistry.copyKeyFieldsToObjectId(PCRegistry.java:171)
> at org.apache.openjpa.util.ApplicationIds.fromPKValues(ApplicationIds.java:224)
> at org.apache.openjpa.jdbc.meta.ClassMapping.getObjectId(ClassMapping.java:223)
> at org.apache.openjpa.jdbc.meta.ClassMapping.getObjectId(ClassMapping.java:147)
> at org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy.load(RelationFieldStrategy.java:736)
> at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:928)
> at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:1094)
> at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:1038)
> at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:659)
> at org.apache.openjpa.util.ImplHelper.loadAll(ImplHelper.java:107)
> at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.loadAll(JDBCStoreManager.java:695)
> at org.apache.openjpa.kernel.DelegatingStoreManager.loadAll(DelegatingStoreManager.java:122)
> at org.apache.openjpa.kernel.BrokerImpl.refreshInternal(BrokerImpl.java:3071)
> ... 36 more
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