[jira] [Resolved] (AMQ-7012) Misleading error in org.apache.activemq.transport.stomp.ProtocolConverter

["Timothy Bish (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-7012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timothy Bish resolved AMQ-7012.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 5.15.5

> Misleading error in org.apache.activemq.transport.stomp.ProtocolConverter
> -------------------------------------------------------------------------
>
>                 Key: AMQ-7012
>                 URL: https://issues.apache.org/jira/browse/AMQ-7012
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.15.4
>            Reporter: Alvin Lin
>            Priority: Major
>             Fix For: 5.15.5
>
>
> From time to time I see the following log line for STOMP: 
>  
> {{2018-07-17 07:31:22,204 | WARN  | Exception occurred processing: <Unknown> -> org.apache.activemq.transport.stomp.ProtocolException: No subscription matched. | org.apache.activemq.transport.stomp.ProtocolConverter | ActiveMQ NIO Worker 1186}}
>  
>  
> The misleading part is "<Unknown>", the unknown is suppose to be the STOMP's action word (SEND, SUBSCRIBE etc). 
> The problem seems to be 
> {code:java}
>  org.apache.activemq.transport.stomp.ProtocolConverter.safeGetAction(){code}
> that is comparing the STOMP action word with constants defined in 
> {code:java}
> org.apache.activemq.transport.stomp.ProtocolConverter.Stomp.Commands{code}
> But for subscribe and unsubscribe the constants are defined as "SUB" and "UNSUB" which does not match the actual STOMP action verbs.
>  



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