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From Tim Bain <>
Subject Re: ActiveMQ 5.12-HTTP Transport-Java 7 - prefetch=0 is not working (Consumer is not able to pick messages)
Date Sun, 31 Dec 2017 07:18:13 GMT
This sounds extremely similar to; are you the submitter of
that issue (using a different name) or in some way related? The root cause
appears to be, which was
fixed in 5.15.1 and 5.16.0, so it sounds like you'll need to upgrade (or to
manually patch the fix onto the version that you're looking to run).


On Fri, Dec 29, 2017 at 4:02 PM, Tim Bain <> wrote:

> Can you describe in more detail what is and isn't happening? Are you able
> to consume some but not all messages, or do you get zero? Do you see a
> consumer on the queue when you attach a JMX viewer such as JConsole to the
> broker process? If so, do the JMX properties indicate that a message is
> being dispatched to the consumer? What are you seeing in the logs (both
> broker amd consumer)? What do you see if you turn the logging up to DEBUG?
> Can you browse the messages via the web console?
> Also, the fact that it works in 5.8.0 seems to indicate that it's not
> related to the bug you referenced in your first thread, and the fact that
> it doesn't work undet Java 7 seems to indicate that it's not related to
> Java 8.
> Tim
> On Dec 28, 2017 2:08 AM, "sampath516" <> wrote:
>> Hi All,
>> The prefetch=0 option is not working for the combination: ActiveMQ
>> 5.12-HTTP
>> Transport-Java 7. It is working fine for tcp transport but not for http
>> transport. Consumer is not able to pull messages from broker.
>> One more observation is that prefetch=0 is working fine with
>> ActiveMQ-5.8(with http transport).
>> Please let us know whether it is a supported scenario or not. If
>> supported,
>> please guide us to resolve the issue.
>> Thanks,
>> Sampathi G
>> --
>> Sent from:
>> .html

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