[jira] [Commented] (AMQ-8471) activemq stop command fails with no or outdated process id

["Consultant Leon (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMQ-8471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17606012#comment-17606012 ] 

Consultant Leon commented on AMQ-8471:
--------------------------------------

I run into the same problem, just today upgrading from activemq 5.16.0 -> 5.16.0

 

Firstly I couldn't start activemq:
 * first line reads #!/bin/sh which on solaris means the script is executed as bourne shell , not bash.
 * then I got error /WEB-INF/webconsole-embedded.xml FileNotFound -> it's caused by $ACTIVEMQ_HOME pointing to a symlink rather than the physical directory (this worked fine before, I think there's another issue open)
 * and now I found this issue trying to stop failing...

> activemq stop command fails with no or outdated process id
> ----------------------------------------------------------
>
>                 Key: AMQ-8471
>                 URL: https://issues.apache.org/jira/browse/AMQ-8471
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.16.2
>            Reporter: shrihari
>            Assignee: Jean-Baptiste Onofré
>            Priority: Major
>         Attachments: image-2022-02-07-10-21-19-913.png, image-2022-02-07-10-21-39-782.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> In some AIX/Linux environments, the activemq stop command fails with the below error. 
> bash-4.4# ./activemq stop
> INFO: Loading '/AMQ/message-broker/bin/env'
> INFO: Using java '/usr/java8_64/bin/java'
> ERROR: No or outdated process id in '/AMQ/message-broker//data/activemq.pid'
> INFO: Removing /AMQ/message-broker//data/activemq.pid
>  
> The fix provided in https://issues.apache.org/jira/browse/AMQ-8425 doesn't work in such environments as the issue is not due to the user/terminal instance.
>  
> Workaround: 
> Some AIX/linux environments are highly sensitive to the *acute/backquot* *character `* 
> Backquot character reference : [https://www.computerhope.com/jargon/b/backquot.htm]
> Update the file <AMQ_HOME>/message-broker/bin/activemq as below :
> Change the line by removing backquot character :
> RET="`ps -eo "pid,args" | grep "\s*$activemq_pid\s.java"`" to RET="ps -eo "pid,args" | grep "\s$activemq_pid\s.*java""
> This will be inside checkRunning() function.



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