From dev-return-10528-apmail-openjpa-dev-archive=openjpa.apache.org@openjpa.apache.org Mon Feb 16 15:19:23 2009 Return-Path: Delivered-To: apmail-openjpa-dev-archive@www.apache.org Received: (qmail 82863 invoked from network); 16 Feb 2009 15:19:23 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 16 Feb 2009 15:19:23 -0000 Received: (qmail 47550 invoked by uid 500); 16 Feb 2009 15:19:22 -0000 Delivered-To: apmail-openjpa-dev-archive@openjpa.apache.org Received: (qmail 47483 invoked by uid 500); 16 Feb 2009 15:19:22 -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 47471 invoked by uid 99); 16 Feb 2009 15:19:22 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 16 Feb 2009 07:19:22 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 16 Feb 2009 15:19:21 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id B9194234C48B for ; Mon, 16 Feb 2009 07:19:00 -0800 (PST) Message-ID: <817550420.1234797540745.JavaMail.jira@brutus> Date: Mon, 16 Feb 2009 07:19:00 -0800 (PST) From: "Tim McConnell (JIRA)" To: dev@openjpa.apache.org Subject: [jira] Commented: (OPENJPA-466) Primary key constraint violated using (Oracle) sequence to generate ID in multithreaded app In-Reply-To: <22223569.1197513643017.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-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673900#action_12673900 ] Tim McConnell commented on OPENJPA-466: --------------------------------------- Failure for DB2 below. This was to demonstrate that it is not just a Oracle and PostgreSQL problem. There seems to be a thread-safe problem in OpenJPA for all databases that support native Sequences. testMultiThreadedLoad(org.apache.openjpa.persistence.hightps.sequence.TestSequence) Time elapsed: 178.797 sec <<< ERROR! org.apache.openjpa.persistence.hightps.sequence.TestSequence$ThreadingException: The 3 embedded errors occured in the execution of 8 iterations of 6 threads: [reflection invocation: (testMultiThreadedLoad)] at org.apache.openjpa.persistence.hightps.sequence.TestSequence.mttest(TestSequence.java:466) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.mttest(TestSequence.java:360) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.mttest(TestSequence.java:310) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.mttest(TestSequence.java:304) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.testMultiThreadedLoad(TestSequence.java:255) 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:585) at junit.framework.TestCase.runTest(TestCase.java:154) at junit.framework.TestCase.runBare(TestCase.java:127) at org.apache.openjpa.persistence.test.PersistenceTestCase.runBare(PersistenceTestCase.java:443) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:118) at org.apache.openjpa.persistence.test.PersistenceTestCase.run(PersistenceTestCase.java:173) at junit.framework.TestSuite.runTest(TestSuite.java:208) at junit.framework.TestSuite.run(TestSuite.java:203) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213) at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140) at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127) at org.apache.maven.surefire.Surefire.run(Surefire.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:334) at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:980) Nested Throwable #1: org.apache.openjpa.persistence.hightps.sequence.TestSequence$ThreadingException: thread=Thread[reflection invocation: (testMultiThreadedLoad) [5 of 6],5,main];threadNum=5;maxThreads=6;iteration=1;maxIterations=8 at org.apache.openjpa.persistence.hightps.sequence.TestSequence$2.run(TestSequence.java:429) Nested Throwable #1: java.lang.reflect.InvocationTargetException 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:585) at org.apache.openjpa.persistence.hightps.sequence.TestSequence$1.run(TestSequence.java:363) at org.apache.openjpa.persistence.hightps.sequence.TestSequence$2.run(TestSequence.java:422) Caused by: org.apache.openjpa.persistence.RollbackException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:530) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.createManyPersonsInSeparateTransactions(TestSequence.java:134) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.testMultiThreadedLoad(TestSequence.java:261) ... 6 more Caused by: org.apache.openjpa.persistence.PersistenceException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. at org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerImpl.java:2264) at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2111) at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2009) at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1927) at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81) at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1451) at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:895) at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:519) ... 8 more Caused by: org.apache.openjpa.persistence.PersistenceException: One or more values in the INSERT statement, UPDATE statement, or foreign key update caused by a DELETE statement are not valid because the primary key, unique constraint or unique index identified by "1" constrains table "DB2ADMIN.ENTITY_PERSON" from having duplicate rows for those columns. FailedObject: prepstmnt 30057146 INSERT INTO ENTITY_PERSON (id, firstName, lastName) VALUES (?, ?, ?) [org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement] at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:4244) at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:4209) at org.apache.openjpa.jdbc.sql.DB2Dictionary.newStoreException(DB2Dictionary.java:507) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:102) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:72) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushBatch(BatchingPreparedStatementManagerImpl.java:193) at org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(BatchingConstraintUpdateManager.java:63) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:89) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:72) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:630) at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:130) ... 15 more Caused by: com.ibm.db2.jcc.b.SQLException: One or more values in the INSERT statement, UPDATE statement, or foreign key update caused by a DELETE statement are not valid because the primary key, unique constraint or unique index identified by "1" constrains table "DB2ADMIN.ENTITY_PERSON" from having duplicate rows for those columns. at com.ibm.db2.jcc.b.ce.d(ce.java:975) at com.ibm.db2.jcc.a.bd.k(bd.java:312) at com.ibm.db2.jcc.a.bd.a(bd.java:61) at com.ibm.db2.jcc.a.r.a(r.java:64) at com.ibm.db2.jcc.a.bq.c(bq.java:217) at com.ibm.db2.jcc.b.cf.C(cf.java:1109) at com.ibm.db2.jcc.b.cf.a(cf.java:1505) at com.ibm.db2.jcc.b.cf.executeUpdate(cf.java:322) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:101) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:269) at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeUpdate(LoggingConnectionDecorator.java:981) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:269) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeUpdate(JDBCStoreManager.java:1501) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.executeUpdate(PreparedStatementManagerImpl.java:249) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushSingleRow(BatchingPreparedStatementManagerImpl.java:215) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushBatch(BatchingPreparedStatementManagerImpl.java:154) ... 20 more Nested Throwable #2: org.apache.openjpa.persistence.hightps.sequence.TestSequence$ThreadingException: thread=Thread[reflection invocation: (testMultiThreadedLoad) [2 of 6],5,main];threadNum=2;maxThreads=6;iteration=1;maxIterations=8 at org.apache.openjpa.persistence.hightps.sequence.TestSequence$2.run(TestSequence.java:429) Nested Throwable #1: java.lang.reflect.InvocationTargetException 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:585) at org.apache.openjpa.persistence.hightps.sequence.TestSequence$1.run(TestSequence.java:363) at org.apache.openjpa.persistence.hightps.sequence.TestSequence$2.run(TestSequence.java:422) Caused by: org.apache.openjpa.persistence.RollbackException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:530) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.createManyPersonsAndEmployeesInSeparateTransactions(TestSequence.java:179) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.testMultiThreadedLoad(TestSequence.java:267) ... 6 more Caused by: org.apache.openjpa.persistence.PersistenceException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. at org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerImpl.java:2264) at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2111) at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2009) at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1927) at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81) at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1451) at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:895) at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:519) ... 8 more Caused by: org.apache.openjpa.persistence.PersistenceException: The current transaction has been rolled back because of a deadlock or timeout. Reason code "2". FailedObject: prepstmnt 5148820 INSERT INTO ENTITY_EMPLOYEE (id, firstName, lastName, salary) VALUES (?, ?, ?, ?) [org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement] at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:4244) at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:4209) at org.apache.openjpa.jdbc.sql.DB2Dictionary.newStoreException(DB2Dictionary.java:507) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:102) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:72) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushBatch(BatchingPreparedStatementManagerImpl.java:193) at org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(BatchingConstraintUpdateManager.java:63) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:89) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:72) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:630) at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:130) ... 15 more Caused by: com.ibm.db2.jcc.b.SQLException: The current transaction has been rolled back because of a deadlock or timeout. Reason code "2". at com.ibm.db2.jcc.b.ce.e(ce.java:1093) at com.ibm.db2.jcc.a.bd.s(bd.java:678) at com.ibm.db2.jcc.a.bd.k(bd.java:335) at com.ibm.db2.jcc.a.bd.a(bd.java:61) at com.ibm.db2.jcc.a.r.a(r.java:64) at com.ibm.db2.jcc.a.bq.c(bq.java:217) at com.ibm.db2.jcc.b.cf.C(cf.java:1109) at com.ibm.db2.jcc.b.cf.a(cf.java:1505) at com.ibm.db2.jcc.b.cf.executeUpdate(cf.java:322) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:101) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:269) at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeUpdate(LoggingConnectionDecorator.java:981) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:269) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeUpdate(JDBCStoreManager.java:1501) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.executeUpdate(PreparedStatementManagerImpl.java:249) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushSingleRow(BatchingPreparedStatementManagerImpl.java:215) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushBatch(BatchingPreparedStatementManagerImpl.java:154) ... 20 more Nested Throwable #3: org.apache.openjpa.persistence.hightps.sequence.TestSequence$ThreadingException: thread=Thread[reflection invocation: (testMultiThreadedLoad) [4 of 6],5,main];threadNum=4;maxThreads=6;iteration=1;maxIterations=8 at org.apache.openjpa.persistence.hightps.sequence.TestSequence$2.run(TestSequence.java:429) Nested Throwable #1: java.lang.reflect.InvocationTargetException 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:585) at org.apache.openjpa.persistence.hightps.sequence.TestSequence$1.run(TestSequence.java:363) at org.apache.openjpa.persistence.hightps.sequence.TestSequence$2.run(TestSequence.java:422) Caused by: org.apache.openjpa.persistence.RollbackException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:530) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.createManyPersonsAndEmployeesInSeparateTransactions(TestSequence.java:179) at org.apache.openjpa.persistence.hightps.sequence.TestSequence.testMultiThreadedLoad(TestSequence.java:267) ... 6 more Caused by: org.apache.openjpa.persistence.PersistenceException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. at org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerImpl.java:2264) at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2111) at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2009) at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1927) at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81) at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1451) at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:895) at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:519) ... 8 more Caused by: org.apache.openjpa.persistence.PersistenceException: The current transaction has been rolled back because of a deadlock or timeout. Reason code "2". FailedObject: prepstmnt 6639365 INSERT INTO ENTITY_EMPLOYEE (id, firstName, lastName, salary) VALUES (?, ?, ?, ?) [org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement] at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:4244) at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:4209) at org.apache.openjpa.jdbc.sql.DB2Dictionary.newStoreException(DB2Dictionary.java:507) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:102) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:72) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushBatch(BatchingPreparedStatementManagerImpl.java:193) at org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(BatchingConstraintUpdateManager.java:63) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:89) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:72) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:630) at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:130) ... 15 more Caused by: com.ibm.db2.jcc.b.SQLException: The current transaction has been rolled back because of a deadlock or timeout. Reason code "2". at com.ibm.db2.jcc.b.ce.e(ce.java:1093) at com.ibm.db2.jcc.a.bd.s(bd.java:678) at com.ibm.db2.jcc.a.bd.k(bd.java:335) at com.ibm.db2.jcc.a.bd.a(bd.java:61) at com.ibm.db2.jcc.a.r.a(r.java:64) at com.ibm.db2.jcc.a.bq.c(bq.java:217) at com.ibm.db2.jcc.b.cf.C(cf.java:1109) at com.ibm.db2.jcc.b.cf.a(cf.java:1505) at com.ibm.db2.jcc.b.cf.executeUpdate(cf.java:322) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:101) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:269) at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeUpdate(LoggingConnectionDecorator.java:981) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:269) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeUpdate(JDBCStoreManager.java:1501) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.executeUpdate(PreparedStatementManagerImpl.java:249) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushSingleRow(BatchingPreparedStatementManagerImpl.java:215) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushBatch(BatchingPreparedStatementManagerImpl.java:154) ... 20 more > Primary key constraint violated using (Oracle) sequence to generate ID in multithreaded app > ------------------------------------------------------------------------------------------- > > Key: OPENJPA-466 > URL: https://issues.apache.org/jira/browse/OPENJPA-466 > Project: OpenJPA > Issue Type: Bug > Affects Versions: 1.0.0, 1.0.1, 1.1.0, 1.2.0 > Environment: OpenJPA 1.0.0 (also tried 1.0.1 and 1.1.0-SNAPSHOT) > Oracle XE 10g (JDBC driver 10.2.0.3.0) > Windows XP Pro > Reporter: Frank Le > Assignee: Tim McConnell > Priority: Blocker > > Here's how I annotate the ID: > @Id > @SequenceGenerator(name = "FooSeq", sequenceName = "seq_foo", allocationSize = 20) > @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "FooSeq") > private Long id; > Here's how I create the (Oracle) sequence: > CREATE SEQUENCE seq_foo START WITH 1 INCREMENT BY 1; > I get a primary key unique constraint violated in a multithreaded app i.e. it doesn't happen in single-threaded! > You can simply reproduce this error by either create blocking queue or blocking thread pool say size 5 to insert 10000+ object. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.