[JBoss-user] [Messaging, JMS & JBossMQ] - JBossMQ threads sharing locally-instantiated objects?

2006-05-17 Thread sumitsu
I have implemented a JBossMQ-driven JMS Queue which is answered by a JBoss-managed pool of Message-Driven Beans; the deployment descriptor allows the MDB to run in as many as 15 threads simultaneously, so there are usually multiple instances of onMessage() running at once. The problem which I'm

[JBoss-user] [Messaging, JMS & JBossMQ] - Re: Too many threads for message queue?

2006-04-05 Thread sumitsu
The formatting may make it unclear, so note that where I say "Remember to enclose in ...", the formats should be, respectively: | | | | | | and | | | | | | View the original post : http://www.jboss.com/index

[JBoss-user] [Messaging, JMS & JBossMQ] - Re: Too many threads for message queue?

2006-04-05 Thread sumitsu
For anyone else who might be having this problem: I think I have figured it out. My initial conclusion was correct; JBoss was creating more message threads than it had the heap capacity to support, causing an OutOfMemoryError. The minimum and maximum number of message threads for a standard MDB

[JBoss-user] [Messaging, JMS & JBossMQ] - Too many threads for message queue?

2006-04-04 Thread sumitsu
Hi, I currently have a JBoss EJB application which employs 7 message queues using MDBs with container-managed transactions, to which messages are posted via JNDI from a stateless session bean within the same application. I have recently begun encountering OutOfMemoryErrors during periods of he

[JBoss-user] [Persistence,JBoss/CMP, Hibernate, Database] - Re: EJB Database Access stall

2005-12-22 Thread sumitsu
One additional piece of information: sometimes, the stalled request eventually fails and produces this exception: | java.sql.SQLException: Closed Connection | at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168) | at oracle.jdbc.dbaccess.DBError.throwSqlExcep

[JBoss-user] [Persistence,JBoss/CMP, Hibernate, Database] - EJB Database Access stall

2005-12-21 Thread sumitsu
I recently completed transitioning an RMI standalone application (which operated via naming lookup on rmiregistry) to EJBs running under JBoss 4.0.3. The application makes JDBC calls to a database in order to get user/login information. The problem is that, at seemingly random intervals, reque