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I am wondering how we can ensure message durability when using websphere MQ and WCF. I want to be able to have my WCF process pick messages off of the queue and if there is an issue that the applciation encounters (power outage, etc) I don’t lose the messages. I also would like to not have to use a transaction if at all possible because I want to eliminate distributed transactions.
Thanks,
S
Well, there’s transactions and there’s distributed transactions. The “right” answer is to use the WMQ 1-phase commit here. That doesn’t have the complexity of XA transactions but it does give you the ability to roll back a message without losing it. In fact, when using clients you really should be using at least 1-phase commit just to prevent loss of messages.
Short of that there is always the “browse-with-lock, delete-message-under-cursor” method. I’m pretty sure everything you need to do the browseing, locking and deleting is exposed under .NET but perhaps Shashi will comment and confirm.