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If on running, you get error messages including this: "java.net.BindException: Address already in use", most likely the default 8080 port is in use. You may want to change to any other different port for jetty. For instance if you want to change to port 8081, then on the JRE tab, in the VM parameters box, add something like this: -Djetty.port=8081
See Troubleshooting Memory Errors or Performance Tuning or Increasing Memory for Maven
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