From dev-return-6048-apmail-openjpa-dev-archive=openjpa.apache.org@openjpa.apache.org Tue Sep 04 16:01:09 2007 Return-Path: Delivered-To: apmail-openjpa-dev-archive@www.apache.org Received: (qmail 94648 invoked from network); 4 Sep 2007 16:01:08 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 4 Sep 2007 16:01:08 -0000 Received: (qmail 99977 invoked by uid 500); 4 Sep 2007 16:01:02 -0000 Delivered-To: apmail-openjpa-dev-archive@openjpa.apache.org Received: (qmail 99951 invoked by uid 500); 4 Sep 2007 16:01:02 -0000 Mailing-List: contact dev-help@openjpa.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@openjpa.apache.org Delivered-To: mailing list dev@openjpa.apache.org Received: (qmail 99942 invoked by uid 99); 4 Sep 2007 16:01:02 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 04 Sep 2007 09:01:02 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 04 Sep 2007 16:01:07 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id CF3D1714187 for ; Tue, 4 Sep 2007 09:00:44 -0700 (PDT) Message-ID: <5210111.1188921644814.JavaMail.jira@brutus> Date: Tue, 4 Sep 2007 09:00:44 -0700 (PDT) From: "Patrick Linskey (JIRA)" To: dev@openjpa.apache.org Subject: [jira] Commented: (OPENJPA-348) Composite PK with association In-Reply-To: <7089280.1188889018011.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/OPENJPA-348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12524769 ] Patrick Linskey commented on OPENJPA-348: ----------------------------------------- Can you post the log trace that you get if you set the Enhance channel to TRACE? > Composite PK with association > ----------------------------- > > Key: OPENJPA-348 > URL: https://issues.apache.org/jira/browse/OPENJPA-348 > Project: OpenJPA > Issue Type: Bug > Components: kernel > Affects Versions: 1.0.0 > Reporter: Eddie Man > > I got an exception while using a association within a composite PK > A.java > ======== > @Entity > public class A { > @Id > public int id; > > @OneToMany(mappedBy="a", cascade=CascadeType.ALL) > public HashSet bs = new HashSet(); > } > B.java > ======== > @Entity > @IdClass(BPK.class) > public class B { > > @Id > public int id; > > @Id > @ManyToOne(cascade=CascadeType.ALL) > @JoinColumns({@JoinColumn(name="aid")}) > public A a; > > @Basic > public String name; > } > BPK.class > ============ > public class BPK { > > public int id; > > public int a; > @Override > public boolean equals(Object aObj) { > return super.equals(aObj); > } > > @Override > public int hashCode() { > return super.hashCode(); > } > } > Here is my code for inserting data to db: > EntityManager manager = Persistence.createEntityManagerFactory("openjpa").createEntityManager(); > EntityTransaction transaction = manager.getTransaction(); > transaction.begin(); > > A a = new A(); > a.id = 1; > > B b = new B(); > b.id = 2; > b.a = a; > > a.bs.add(b); > > manager.persist(a); > transaction.commit(); > manager.close(); > Exception : > ============== > Exception in thread "main" org.apache.openjpa.persistence.PersistenceException: null > at org.apache.openjpa.kernel.AbstractBrokerFactory.loadPersistentTypes(AbstractBrokerFactory.java:303) > at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:197) > at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142) > at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:192) > at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:145) > at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:56) > at Test.main(Test.java:10) > Caused by: java.lang.NullPointerException > at org.apache.openjpa.enhance.ManagedClassSubclasser.setDetachedState(ManagedClassSubclasser.java:275) > at org.apache.openjpa.enhance.ManagedClassSubclasser.configureMetaData(ManagedClassSubclasser.java:213) > at org.apache.openjpa.enhance.ManagedClassSubclasser.prepareUnenhancedClasses(ManagedClassSubclasser.java:137) > 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.openjpa.kernel.AbstractBrokerFactory.loadPersistentTypes(AbstractBrokerFactory.java:287) > ... 6 more -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.