Removing a messaging engine from a bus

Removing a messaging engine from a bus means that the messaging engine can no longer be used for communicating with that bus.

Before you begin

You should be wary of deleting and re-creating messaging engines on bus members for which WS-Notification-administered subscribers have been configured, because in some cases this can leave the remote Web service subscription active (and passing notification messages to the local server) even though there is no longer any record of it. For more information, see the WS-Notification troubleshooting tip Deleting administered subscribers and messaging engines.

About this task

To remove a messaging engine from a bus, complete the following steps:

Procedure

  1. Stop the messaging engine. You can stop either in Immediate or Force mode as described in Stopping a messaging engine.
  2. Use the deleteSIBEngine command to delete the messaging engine. All service integration bus links, MQ links, and custom properties owned by the engine are deleted.
    Note: When you remove a messaging engine, WebSphere® Application Server does not delete the data store tables automatically. You must remove them manually or delete all of the rows in all of the tables. Failure to do so can result in a new messaging engine failing to start if it attempts to use an orphaned data store. Refer to the documentation for your chosen relational database management system for information about deleting tables.

    For Cloudscape Version 10.1.x (Derby), you can alternatively delete the database's directory, which is located in profile_root/databases/com.ibm.ws.sib, where profile_root is the directory in which profile-specific information is stored. However, only select this option if the messaging engine is the sole user of the database.

    For more information, see Data store life cycle.

    Similarly, the file store files are not automatically deleted when you delete the messaging engine. You might want to delete the file store files to reclaim disk space.




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Last updatedLast updated: Aug 31, 2013 12:02:36 AM CDT
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