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https://issues.apache.org/jira/browse/QPID-3602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajith Attapattu updated QPID-3602:
-----------------------------------
Description:
Currently there are several issues related to message credits.
1. QPID-2604 - Getting more messages than required by the prefetch value.
2. QPID-3604 - If connection is started and stopped, the client *may* get more
messages than required by the prefetch value.
3. QPID-3562 - Prefetch=1 case doesn't work properly.
4. Prefetch-0 case doesn't work properly (well completely broken).
5. Message credits are affected by Command Completions and not message-acks.
However these two are intertwined in the logic causing some issues. For example
when in client-ack mode or using transactions, if the client has exhausted the
credits, but is waiting for more messages to come before it acks or commits a
transaction, then the client will appear hung (This issue is currently masked
due to some of the above bugs).
was:
Currently there are several issues related to message credits.
1. QPID-2604 - Getting more messages than required by the prefetch value.
2. If connection is started and stopped, the client *may* get more messages
than required by the prefetch value (no JIRA).
3. Prefetch=1 case doesn't work properly (QPID-3562).
4. Prefetch-0 case doesn't work properly (well completely broken).
5. Message credits are affected by Command Completions and not message-acks.
However these two are intertwined in the logic causing some issues. For example
when in client-ack mode or using transactions, if the client has exhausted the
credits, but is waiting for more messages to come before it acks or commits a
transaction, then the client will appear hung (This issue is currently masked
due to some of the above bugs).
> Fix Consumer message credit issues in 0-10 codepath
> ---------------------------------------------------
>
> Key: QPID-3602
> URL: https://issues.apache.org/jira/browse/QPID-3602
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: 0.14
> Reporter: Rajith Attapattu
> Assignee: Rajith Attapattu
> Fix For: 0.15
>
>
> Currently there are several issues related to message credits.
> 1. QPID-2604 - Getting more messages than required by the prefetch value.
> 2. QPID-3604 - If connection is started and stopped, the client *may* get
> more messages than required by the prefetch value.
> 3. QPID-3562 - Prefetch=1 case doesn't work properly.
> 4. Prefetch-0 case doesn't work properly (well completely broken).
> 5. Message credits are affected by Command Completions and not message-acks.
> However these two are intertwined in the logic causing some issues. For
> example when in client-ack mode or using transactions, if the client has
> exhausted the credits, but is waiting for more messages to come before it
> acks or commits a transaction, then the client will appear hung (This issue
> is currently masked due to some of the above bugs).
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