[java] java.net.BindException: Address already in use: JVM_Bind <null>:80

The error:

java.net.BindException: Address already in use: JVM_Bind :80

means that another application is listening on port 80.

You can check which process is using this port by lsof command, e.g. sudo lsof -i:80. Then stop or kill it.

If won't help finding application running on the same port, the common mistake is the Tomcat misconfiguration.

For example by default Tomcat listens on port 8005 for SHUTDOWN command and if you set another Connector to listen on the same port, you'll get port conflict.

So please double check in server.xml whether these ports are different:

<Server port="8005" shutdown="SHUTDOWN">
    <Connector port="8983" protocol="HTTP/1.1"

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