Jason Rust created CASSANDRA-13926:
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Summary: 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
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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