From dev-return-21117-apmail-openjpa-dev-archive=openjpa.apache.org@openjpa.apache.org Tue Oct 16 17:57:04 2012 Return-Path: X-Original-To: apmail-openjpa-dev-archive@www.apache.org Delivered-To: apmail-openjpa-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id DE7F2D164 for ; Tue, 16 Oct 2012 17:57:04 +0000 (UTC) Received: (qmail 54134 invoked by uid 500); 16 Oct 2012 17:57:04 -0000 Delivered-To: apmail-openjpa-dev-archive@openjpa.apache.org Received: (qmail 54084 invoked by uid 500); 16 Oct 2012 17:57:04 -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 54018 invoked by uid 99); 16 Oct 2012 17:57:04 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Oct 2012 17:57:04 +0000 Date: Tue, 16 Oct 2012 17:57:04 +0000 (UTC) From: "Bram Pouwelse (JIRA)" To: dev@openjpa.apache.org Message-ID: <534685024.52570.1350410224483.JavaMail.jiratomcat@arcas> Subject: [jira] [Commented] (OPENJPA-1346) ClassNotFoundException in org.apache.openjpa.datacache.Caches.addTypesByName MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/OPENJPA-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477214#comment-13477214 ] Bram Pouwelse commented on OPENJPA-1346: ---------------------------------------- I'm using OpenJPA 2.2.0 > ClassNotFoundException in org.apache.openjpa.datacache.Caches.addTypesByName > ---------------------------------------------------------------------------- > > Key: OPENJPA-1346 > URL: https://issues.apache.org/jira/browse/OPENJPA-1346 > Project: OpenJPA > Issue Type: Question > Components: datacache > Affects Versions: 1.1.0 > Environment: Windows / Oracle Weblogic 10.3.1 (JPA Version: ) > Reporter: Niklas Mehner > > This seems to be the same problem as OPENJPA-1093 (only openjpa, not kodo) > We are getting the following exception in our logfile: > 5484 lvs-ejb3 WARN [[ACTIVE] ExecuteThread: '12' for queue: 'weblogic.kernel.Default (self-tuning)'] openjpa.Runtime - null > java.lang.ClassNotFoundException: de.evelopment.retail.lvs.ejb.stammdaten.BoxBean > at java.net.URLClassLoader$1.run(URLClassLoader.java:200) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:188) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:252) > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:247) > at org.apache.openjpa.datacache.Caches.addTypesByName(Caches.java:48) > at org.apache.openjpa.datacache.AbstractQueryCache.afterCommit(AbstractQueryCache.java:198) > at org.apache.openjpa.event.RemoteCommitEventManager.fireEvent(RemoteCommitEventManager.java:132) > at org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager.fireEvent(AbstractConcurrentEventManager.java:115) > at org.apache.openjpa.event.AbstractRemoteCommitProvider.fireEvent(AbstractRemoteCommitProvider.java:63) > at org.apache.openjpa.event.SingleJVMRemoteCommitProvider.broadcast(SingleJVMRemoteCommitProvider.java:58) > at org.apache.openjpa.event.RemoteCommitEventManager.afterCommit(RemoteCommitEventManager.java:156) > at org.apache.openjpa.event.TransactionEventManager.fireEvent(TransactionEventManager.java:107) > at org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager.fireEvent(AbstractConcurrentEventManager.java:115) > at org.apache.openjpa.kernel.BrokerImpl.fireTransactionEvent(BrokerImpl.java:757) > at org.apache.openjpa.kernel.BrokerImpl.endTransaction(BrokerImpl.java:2200) > at org.apache.openjpa.kernel.BrokerImpl.afterCompletion(BrokerImpl.java:1846) > at weblogic.transaction.internal.ServerSCInfo.doAfterCompletion(ServerSCInfo.java:1038) > at weblogic.transaction.internal.ServerSCInfo.callAfterCompletions(ServerSCInfo.java:1014) > at weblogic.transaction.internal.ServerTransactionImpl.callAfterCompletions(ServerTransactionImpl.java:2998) > at weblogic.transaction.internal.ServerTransactionImpl.afterCommittedStateHousekeeping(ServerTransactionImpl.java:2898) > at weblogic.transaction.internal.ServerTransactionImpl.setCommitted(ServerTransactionImpl.java:2943) > at weblogic.transaction.internal.ServerTransactionImpl.globalRetryCommit(ServerTransactionImpl.java:2733) > at weblogic.transaction.internal.ServerTransactionImpl.globalCommit(ServerTransactionImpl.java:2653) > at weblogic.transaction.internal.ServerTransactionImpl.internalCommit(ServerTransactionImpl.java:285) > at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTransactionImpl.java:233) > at weblogic.ejb.container.internal.BaseRemoteObject.postInvoke1(BaseRemoteObject.java:621) > at weblogic.ejb.container.internal.StatelessRemoteObject.postInvoke1(StatelessRemoteObject.java:60) > at weblogic.ejb.container.internal.BaseRemoteObject.postInvokeTxRetry(BaseRemoteObject.java:441) > where de.evelopment.retail.lvs.ejb.stammdaten.BoxBean is an entity bean. > I think the problem is that openjpa uses Class.forName(..) instead of Thread.currentThread().getContextClassLoader().loadClass(...) to load the class. > openJPA is loaded by the system classloader, while the class is from the ear-classloader, so Class.forName(..) cannot work. > the properties used in persistence.xml are: > > > > > > Can we ignore this problem or can this cause real problems (I do not care all that much if caching is not working for this class, but I don't want any data corruption)? -- This message is automatically generated by JIRA. 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