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  • Issue during startup of Node Manger: “java.net.BindException:Address already in use”

    Posted by "" in "WebLogic" on 2015-03-23

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    I encountered an issue during startup of Node manager. The isssue was “<Fatal error in node manager server> java.net.BindException:Address already in use”

    Error in Node manager log file is shown below (Node manager Log file by default is located under $MW_HOME/wlserver10.3/common/ nodemanager )

     nodemanager_issue

    Note: To start node manager:

     cd $MW_HOME/wlserver10.3/server/bin

    ./startNodeManager.sh

    Error reported states the node manager address is already in use , so  first step is to check whether the node manager port   (by default 5556)  is free or is being used by any other process  by using “netstat” command as below:

    netstat -an | grep 5556

    in my case , port 5556 was already being used by another process. So I changed the node manager port (to any free port)   by setting ListenPort property in nodemanager.properties file (Under $MW_HOME/wlserver10.3/common/nodemanager ) and also in weblogic console (under Domain–> Environment ->Machines tab).

    After that I am able to start Node Manager without any issues.

    Happy Learning!!!

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