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From "James Strachan" <>
Subject Re: ActiveMQ with Sybase for persistence
Date Tue, 13 Mar 2007 15:21:19 GMT
On 3/13/07,
<> wrote:
> I looked over the examples and did not find one for Sybase. I did get the
> datasource configured and I can connect without any issues, but when
> ActiveMQ starts it performs a SELECT FOR UPDATE which causes an exception.
> I'll try the useDatabaseLock=false and see if it resolves it, but what are
> the ramifications if I do this?

That you cannot use JDBC Master/Slave and that there is a risk someone
will start 2 brokers on the same database (which can cause problems).

> The row will not be locked so will there be
> contention?
> I just downloaded the 4.1.2 build.

Which one? We've a 4.1-SNAPSHOT and 4.2-SNAPSHOT

(make sure you choose a recent one - near the bottom of those pages)

> I haven't retrieved the latest source. Is
> it stable enough to work in a production environment?




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