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Re: [xmlblaster] question about persistent in xmlBlaster.



zhang zhi wei wrote:
> When publish a message to xmlBlaster, i use -persistent,
> will xmlBlaster ensure exactly once delivery to subscriber?

xmlBlaster guarantees exactly one delivery.
However - on certain crash situations a message may be
resent (when the server got no ACK).
Avoiding this needs transaction support (two phase), which
is not yet implemented.

Redeliverd messages are marked with the QoS tag

  <redeliver>12</redeliver>

See

  http://www.xmlblaster.org/xmlBlaster/doc/requirements/engine.callback.html

regards

Marcel


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