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Error: relation "jbm_dual" already exists
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created by <a href="http://community.jboss.org/people/tim%40nwresearch.com">tim@nwresearch.com</a> in <i>JBoss Messaging</i> - <a href="http://community.jboss.org/message/581729#581729">View the full discussion</a>
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<div class="jive-rendered-content"><p>I've set up jboss messaging in a 2 node Jboss 4.2.3 cluster with a postgresql database for shared jboss messaging datastore.  When the second node is started, I see errors in the log like the second node is trying to recreate the messaging database tables.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2011-01-18 18:04:55,891 DEBUG [org.jboss.messaging.core.impl.JDBCSupport] Failed to execute: CREATE TABLE JBM</p><p>_DUAL (DUMMY INTEGER, PRIMARY KEY (DUMMY))</p><p>org.postgresql.util.PSQLException: ERROR: relation "jbm_dual" already exists</p><p>        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2062)</p><p>        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1795)</p><p>        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257)</p><p>        at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:479)</p><p>        at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:353)</p><p>        at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:299)</p><p>        at org.jboss.resource.adapter.jdbc.WrappedStatement.executeUpdate(WrappedStatement.java:249)</p><p>        at org.jboss.messaging.core.impl.JDBCSupport.createSchema(JDBCSupport.java:301)</p><p>        at org.jboss.messaging.core.impl.JDBCSupport.start(JDBCSupport.java:167)</p><p>        at org.jboss.messaging.core.impl.JDBCPersistenceManager.start(JDBCPersistenceManager.java:149)</p><p>        at org.jboss.messaging.core.jmx.JDBCPersistenceManagerService.startService(JDBCPersistenceManagerServ</p><p>ice.java:100)</p><p>        at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)</p><p>        at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:196)</p><p>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>        at java.lang.reflect.Method.invoke(Method.java:597)</p><p>        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)</p><p>        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)</p><p>        at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)</p><p>        at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)</p><p>        at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java</p><p>:142)</p><p>....</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Similar errors are repeated for all the tables and user inserts.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This seems to me like a problem, but as near as I can tell things seem to be working dispite the errors.  Is this error something to worry about?  Is there a configuration which will prevent the second node from trying to recreate the tables which already exist?</p></div>
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