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qingquanzhang commented on KYLIN-5118: -------------------------------------- In windows 10, sometimes we get an error for a particular port: When seeing this error, our first instinct will be that somehow the port we need is being used by another application. So if we check for ports, but the result may show that the port was not already being used. Then the problem may be that Windows reserves some ports, they are the excluded ports which we cannot use for our other purposes. We can list those ports with the command: {code:java} // netsh interface ipv4 show excludedportrange protocol=tcp {code} > Run class DebugTomcat error:java.net.BindException: Address already in use: > bind > -------------------------------------------------------------------------------- > > Key: KYLIN-5118 > URL: https://issues.apache.org/jira/browse/KYLIN-5118 > Project: Kylin > Issue Type: Bug > Affects Versions: v4.0.0 > Reporter: qingquanzhang > Priority: Major > Attachments: DebugTomcat_console.txt > > -- This message was sent by Atlassian Jira (v8.20.1#820001)