On 09/02/16 16:51, Gordon Sim wrote:
On 02/09/2016 01:09 PM, Toralf Lund wrote:
I can reproduce the problem every time I try now. The other broker is
using the same QPid version, and I think it's supposed to be set up the
same way. It's managed by someone else (who didn't understand the error
message either when I asked), though, so I guess I should check closer.
I don't think anything has changed since it all worked, but I may of
course be missing something (as I tend to suspect when this kind of
thing happens.)
I tried enabling some trace in the broker, too, but didn't notice
anything obvious there, except that the same error message is included a
little section is included below.
I think it is
https://urldefense.proofpoint.com/v2/url?u=https-3A__issues.apache.org_jira_browse_QPID-2D5124&d=BQICaQ&c=KV_I7O14pmwRcmAVyJ1eg4Jwb8Y2JAxuL5YgMGHpjcQ&r=Q0oqxzgUp3xCCIiJDwS-RbNDndQ-KZDhj8wwveNoqU4&m=eAkJI4qp-p4fnlPw9qsC3TJB1sPKdn5CqzsJwNyaxeU&s=MTEfrISXhU_mtN_2tePdAk_9ysMX2mk2AarAzRo6dhY&e=
, which was fixed from 0.26 (and present in 0.22).
The bug is triggered by sending transient messages to a durable LVQ.
When these messages are displaced by later messages with the same key,
the broker removes them from the queue and - erroneously - tries to
delete them from the store also.
Yes. After I sent my last message, I actually tested setDurable(true) on
messages, and also leaving out the "durable" option when creating the
queue, and everything worked fine in both cases.
For workarounds, you could either (a) disable the store or make the
LVQ non-durable or (b) send durable messages only to the LVQ .
If you didn't want to do a full upgrade and built from source, you
could just apply the patch or commit associated with the above JIRA.
Good point.
- Toralf
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