"jaikiran" wrote : <connection-url>jdbc:postgresql://[servername]:[port]/[database name]</connection-url> | | This is incorrect. You have replace the servername, port, database with the actual values corresponding to your database server. I'm so silly... OK, the connection is working but I'm still getting ERRORS: | WARN [ServiceController] Problem starting service jboss.mq:service | =PersistenceManager | org.jboss.mq.SpyJMSException: Could not resolve uncommited transactions. Messag | e recovery may not be accurate; - nested throwable: (org.postgresql.util.PSQLExc | eption: ERROR: syntax error at or near "TXID") | OK, probably I've to remove hsqldb-jdbc2-service.xml and hsqldb-jdbc2-service.xml from deploy/jms but what shall I put instead of them ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4160882#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...