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https://issues.apache.org/jira/browse/CASSANDRA-13678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17703376#comment-17703376
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Stefan Miklosovic commented on CASSANDRA-13678:
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maybe related to CASSANDRA-17773

> Misconfiguration in cassandra-env.sh does not report any errors.
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-13678
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13678
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Local/Config
>         Environment: Cassandra 3.11 at Ubuntu 15.04.
>            Reporter: Lucas Benevides Dias
>            Priority: Low
>              Labels: error-feedback, usability
>         Attachments: cassandra-env.sh
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> Once I have misconfigured the file /etc/cassandra/cassandra-env.sh. I changed 
> the MAX_HEAP_SIZE="1500M" and did not change the HEAP_NEWSIZE="350M", letting 
> it commented. Now I know that if you change one, you MUST change the other, 
> but even knowing that it is written in the file in comments, I think some 
> error message should appear to the user.
> When it occured to me, I looked in the files /var/log/cassandra/system.log 
> and debug.log and there wasn't any line telling about the error. The command 
> {{ #service cassandra start  }} is just responseless.
> There should be some warning in the logs and maybe in the stdout, warning 
> that the interpretation of the cassandra-env.sh parameters was wrong.
> I attached the file in which the error happens.



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