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https://issues.apache.org/jira/browse/CASSANDRA-19779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-19779:
------------------------------------------
     Bug Category: Parent values: Code(13163)
       Complexity: Low Hanging Fruit
    Discovered By: Adhoc Test
    Fix Version/s: 5.x
         Severity: Low
           Status: Open  (was: Triage Needed)

> Non-existing commitlog dir emits warnings in tools/bin 
> -------------------------------------------------------
>
>                 Key: CASSANDRA-19779
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19779
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Tools
>            Reporter: Stefan Miklosovic
>            Assignee: Stefan Miklosovic
>            Priority: Normal
>             Fix For: 5.x
>
>
> When I extract the distribution tarball and I want to use tools in tools/bin, 
> there is this warn log visible every time for tools when they are started 
> (does not happen on "help" command, obviously)
> {code:java}
> WARN  14:25:11,835 Unable to determine block size for commit log directory: 
> null {code}
> This is because we introduced this (1) in CASSANDRA-18464
> What that does is that it will go and try to create a temporary file in 
> commit log directory to get "block size" for a "file store" that file is in.
> The problem with that is that when we just extract a tarball and run the 
> tools - Cassandra was never started - then such commit log directory does not 
> exist yet, so it tries to create a temporary file in a non-existing 
> directory, which fails, hence the log message.
> The fix is to check if commitlog dir exists and return / skip the resolution 
> of block size if it does not.
> (1) 
> https://github.com/apache/cassandra/blob/cassandra-5.0/src/java/org/apache/cassandra/config/DatabaseDescriptor.java#L1455-L1462



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