The PowerCenter Integration Service can maintain transactional consistency when writing data to JMS targets. When the PowerCenter Integration Service maintains transactional consistency, it commits messages to JMS targets after all documents in a transaction group are loaded to the targets. A transaction group consists of all documents that the PowerCenter Integration Service commits when it reaches a commit point.

To ensure transactional consistency, all JMS targets in the same pipeline must belong to the same target connection group. JMS targets that are in the same target connection group receive data from the same transactional source. Additionally, two or more JMS targets are in the same target connection group if they have the same value for each of the following connection properties in JMS and JNDI application connections: