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https://issues.apache.org/jira/browse/AMQ-9855?focusedWorklogId=1004062&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1004062
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ASF GitHub Bot logged work on AMQ-9855:
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Author: ASF GitHub Bot
Created on: 08/Feb/26 17:18
Start Date: 08/Feb/26 17:18
Worklog Time Spent: 10m
Work Description: mattrpav commented on PR #1659:
URL: https://github.com/apache/activemq/pull/1659#issuecomment-3867650547
This probably needs a config flag that is a corollary to the
copyMessageOnSend
ie. copyMessageOnDispatch
Issue Time Tracking
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Worklog Id: (was: 1004062)
Remaining Estimate: 0h
Time Spent: 10m
> Intermittent null/empty body when consuming from a topic (vm:// transport)
> --------------------------------------------------------------------------
>
> Key: AMQ-9855
> URL: https://issues.apache.org/jira/browse/AMQ-9855
> Project: ActiveMQ
> Issue Type: Bug
> Components: AMQP, Camel
> Affects Versions: 6.2.0, 6.1.2, 6.1.6, 6.1.7
> Reporter: JJ
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Also see AMQ-6708 This is very much the same issue but with more details. The
> op on that ticket hasn't been seen since 2017.
> We have a simple AMQ instance using Camel; It connects to an upstream remote
> server via OpenWire and subscribes to topics. It Bridges those topics to the
> local AMQ with some later Camel processing.
> The route looks like this:
> <route id="Route_SPLITTER">
> <from uri="remoteServer:topic:TOPIC_A?durableSubscriptionName=some.user"/>
> <choice>
> <when>
> <simple>${body} == null || ${body} == ''</simple>
> <log message="Received message with missing body:
> ${header.CamelMessageHistory}"/>
> </when>
> <otherwise>
> </otherwise>
> </choice>
>
> <to uri="localAMQ:topic:MY_TOPIC_A"/>
> <split streaming="true" >
> <method ref="Splitter" method="processMessage"/>
> <multicast>
> <to uri="direct:routeSorter"/>
> </multicast>
> </split>
> </route>
>
> Logging was added to make sure it wasn't an upstream issue (and it's not)
>
> The data being passed is formatted as arrays of JSON. The <to
> uri="localAMQ:topic:MY_TOPIC_A"/> just passes it untouched. The Splitter send
> a copy elsewhere to be filtered by an order number prefix.
> The internal Camel to AMQ connection is via the vm:// transport using
> org.apache.camel.component.activemq.ActiveMQComponent (but I have also tried
> a pooled JMS connection factory with the same results)
> When I connect a test non durable consumer from a Ruby script using STOMP, or
> NIO I see the same issue. Some messages appear to have a 0 sized body.
> I can connect an c++ open wire consumer from the same server and that
> instance gets all messages with no 0 size bodies.
> I have tried various versions of Camel and all exhibit the same results.
> It;'s also worth noting that the data sent to the splitter function reports
> no errors either.
> I have also tried some of the older STOPM GEM packages but no change. (Though
> I have found some odd connection issue when you upgrade to io-wait-0.4.0 from
> 0.3.1
>
> After much swapping things round and testing I've finally narrowed it down to
> some issue with the vm:// transport...
> I have swapped the internal Camel connection from using vm:// to tcp:// and
> for the last 24hrs have seen no client errors with 0 sized bodies.
> I don't have any way to debug this deeper but hopefully someone else will
> pick this up.
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