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https://issues.apache.org/jira/browse/AMQ-9683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Baptiste Onofré resolved AMQ-9683.
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Resolution: Fixed
> java.io.IOException on idle HTTP/XA connection
> ----------------------------------------------
>
> Key: AMQ-9683
> URL: https://issues.apache.org/jira/browse/AMQ-9683
> Project: ActiveMQ Classic
> Issue Type: Bug
> Components: JMS client
> Affects Versions: 6.1.5
> Reporter: Colin Werner
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Fix For: 6.2.0, 6.1.7
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Similar config to https://issues.apache.org/jira/browse/AMQ-9682, but with
> -Dorg.apache.activemq.SERIALIZABLE_PACKAGES=* and
> --add-opens=java.base/java.util=ALL-UNNAMED set we able to run.
>
> However, after a few minutes of idle we see the following stack trace:
> {code:java}
> 09:14:21,811 [tp://localhost:61618] WARN .a.t.f.FailoverTransport -
> Transport (http://localhost:61618) failed, attempting to automatically
> reconnect
> java.io.IOException: Failed to perform GET on: http://localhost:61618
> Reason: null
> at
> org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:36)
> ~[activemq-client-6.1.5.jar:6.1.5]
> at
> org.apache.activemq.transport.http.HttpClientTransport.run(HttpClientTransport.java:209)
> [activemq-http-6.1.5.jar:6.1.5]
> at java.base/java.lang.Thread.run(Thread.java:840) [?:?]
> Caused by: java.io.EOFException
> at java.base/java.io.DataInputStream.readInt(DataInputStream.java:386)
> ~[?:?]
> at
> org.apache.activemq.transport.util.TextWireFormat.unmarshal(TextWireFormat.java:52)
> ~[activemq-http-6.1.5.jar:6.1.5]
> at
> org.apache.activemq.transport.http.HttpClientTransport.run(HttpClientTransport.java:200)
> ~[activemq-http-6.1.5.jar:6.1.5]
> ... 1 more {code}
> I am not sure if this is the idle connection being dropped? I see nothing
> strange in a wireshark pcap.
>
> I tried to reproduce this in a unit test, but don't think I was able to set
> up the exact same configuration, largely due to my lack of knowledge of the
> code base. But I modified
> https://github.com/apache/activemq/blob/main/activemq-http/src/test/java/org/apache/activemq/bugs/AMQ2764Test.java
> to wait and eventually saw:
> {code:java}
> 2025-03-11 16:39:16,175 [localhost:61616] - DEBUG HttpClientTransport
> - Received null command from url: http://localhost:61616
> 2025-03-11 16:39:16,886 [localhost:61616] - DEBUG HttpClientTransport
> - Received null command from url: http://localhost:61616 {code}
> Which seems similar, but without a nasty stack trace.
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