"scotthkao" wrote : I read from the online document somewhere that one distinctive added feature of JBoss Messaging(JBM) is transparent failover, i.e. failover without the client-side code to handle connection exception. But I just wonder that could there be any message lost during the transparent failover of non-durable subscriptions? | anonymous wrote : | | | | Only persistent messages in durable queues (durable subscriptions or non temporary queues) are guaranteed to survive failover. | | | | Non persistent messages are by their nature transient. | | | | anonymous wrote : | | | On transparent failover in the case of non-durable subscription, is the connection exception listener triggered? | | | | | | | If the exception listener was triggered it wouldn't be transparent ;) That's basically what transparent failover means. | | | | | | anonymous wrote : | | | How could the client-side code get to know the transparent failover has accomplished the failover successfully? | | | | | | | If we informed you about failover completion it wouldn't be transparent. If you want to use a connection listener and handle failover manually then you can just turn off transparent failover. Sounds like this is what you want to do. | |
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