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https://issues.apache.org/jira/browse/AMQ-8253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lionel Cons reopened AMQ-8253:
------------------------------

I have tested with 5.16.3 and, unfortunately, I still see a stack trace:

{code}
2021-08-17T09:01:26.439+0200 [ActiveMQ NIO Worker 0] WARN Transport - Transport 
Connection to: tcp://192.168.19.28:57980 failed
org.apache.activemq.transport.stomp.ProtocolException: Invalid Protocol 
version[3.14], supported versions are: [1.2, 1.1, 1.0]
        at 
org.apache.activemq.transport.stomp.StompCodec.detectVersion(StompCodec.java:151)
        at 
org.apache.activemq.transport.stomp.ProtocolConverter.onStompConnect(ProtocolConverter.java:761)
        at 
org.apache.activemq.transport.stomp.ProtocolConverter.onStompCommand(ProtocolConverter.java:254)
        at 
org.apache.activemq.transport.stomp.StompTransportFilter.onCommand(StompTransportFilter.java:85)
        at 
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
        at 
org.apache.activemq.transport.stomp.StompCodec.processCommand(StompCodec.java:133)
        at 
org.apache.activemq.transport.stomp.StompCodec.parse(StompCodec.java:100)
        at 
org.apache.activemq.transport.stomp.StompNIOTransport.processBuffer(StompNIOTransport.java:136)
        at 
org.apache.activemq.transport.stomp.StompNIOTransport.serviceRead(StompNIOTransport.java:121)
        at 
org.apache.activemq.transport.stomp.StompNIOTransport.access$000(StompNIOTransport.java:44)
        at 
org.apache.activemq.transport.stomp.StompNIOTransport$1.onSelect(StompNIOTransport.java:73)
        at 
org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:98)
        at 
org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:123)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
{code}

> Unnecessary stack trace in case of invalid STOMP version
> --------------------------------------------------------
>
>                 Key: AMQ-8253
>                 URL: https://issues.apache.org/jira/browse/AMQ-8253
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.16.2
>         Environment: ActiveMQ 5.16.2
>            Reporter: Lionel Cons
>            Assignee: Jean-Baptiste Onofré
>            Priority: Major
>
> In case of an invalid STOMP version used, we get an unnecessary stack trace:
> {code}
> 2021-04-28T09:17:07.004+0200 [ActiveMQ NIO Worker 0] WARN Transport - 
> Transport Connection to: tcp://10.0.0.1:50938 failed
> org.apache.activemq.transport.stomp.ProtocolException: Invalid Protocol 
> version[3.14], supported versions are: [1.2, 1.1, 1.0]
>       at 
> org.apache.activemq.transport.stomp.StompCodec.detectVersion(StompCodec.java:151)
>       at 
> org.apache.activemq.transport.stomp.ProtocolConverter.onStompConnect(ProtocolConverter.java:760)
>       at 
> org.apache.activemq.transport.stomp.ProtocolConverter.onStompCommand(ProtocolConverter.java:254)
>       at 
> org.apache.activemq.transport.stomp.StompTransportFilter.onCommand(StompTransportFilter.java:85)
>       at 
> org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
>       at 
> org.apache.activemq.transport.stomp.StompCodec.processCommand(StompCodec.java:133)
>       at 
> org.apache.activemq.transport.stomp.StompCodec.parse(StompCodec.java:100)
>       at 
> org.apache.activemq.transport.stomp.StompNIOTransport.processBuffer(StompNIOTransport.java:136)
>       at 
> org.apache.activemq.transport.stomp.StompNIOTransport.serviceRead(StompNIOTransport.java:121)
>       at 
> org.apache.activemq.transport.stomp.StompNIOTransport.access$000(StompNIOTransport.java:44)
>       at 
> org.apache.activemq.transport.stomp.StompNIOTransport$1.onSelect(StompNIOTransport.java:73)
>       at 
> org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:98)
>       at 
> org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:123)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at java.lang.Thread.run(Thread.java:748)
> {code}
> This looks very similar to AMQ-8252.



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