JMS, Acknowledge and thirdparty ressources not available

[vanduyns]

Hello

I use the "Publish and Subscribe JMS model" and i have a problem.
My subscriber need to insert the data coming from the message on a database. If my database is not available, i woud like my message not be consumed in order to re-attemp it later when database will recomming.

How ?

I tried the CLIENT_ACKNOWLEDGE but when a subscriber call acknowledge() method, the current message and all other messages unacknowledged are lost !

[wallace]

Do you mean that you want to store the messages you subscribed into your own database? If so, I recommend a solution for you, namely, when you receive synchronously the messages from the provider, you save your messages somewhere such as a vector or store into local file. On your database starting, your listenning thread for your database begins to store your message from your local machine into the database.

[adrian.brock]

Moderated: See the example on the WIKI for an explanation, or just read the spec.