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https://issues.apache.org/jira/browse/CASSANDRA-13926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16189528#comment-16189528
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Joshua McKenzie commented on CASSANDRA-13926:
---------------------------------------------
I ran into this when doing dev on Windows which is why I added the -a flag:
{code} 30 -a Aggressive startup. Skip VerifyPorts check. For
use in dev environments. {code}
I suppose we could pursue formalizing it if you're running into this in
production, but the -a in dev was sufficient to get past it for me.
> Starting and stopping quickly on Windows results in "port already in use"
> error
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-13926
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13926
> Project: Cassandra
> Issue Type: Bug
> Components: Packaging
> Environment: Windows
> Reporter: Jason Rust
> Priority: Minor
> Labels: windows
>
> If I stop/start Cassandra within a minute on Windows, using the included
> Powershell script it can fail to start with the error message "Found a port
> already in use. Aborting startup."
> This is because the Powershell script uses netstat to find ports are in use,
> and even if Cassandra is stopped it is still listed for a short time
> (reported as TIME_WAIT). See
> https://superuser.com/questions/173535/what-are-close-wait-and-time-wait-states
> A change to the Powershell script to ensure that only ESTABLISHED ports are
> searched solves the problem for me and involves changing from:
> {code} if ($line -match "TCP" -and $line -match $portRegex){code}
> to
> {code} if ($line -match "TCP" -and $line -match $portRegex -and $line -match
> "ESTABLISHED"){code}
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