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1 Reply Latest reply: Oct 23, 2013 1:22 PM by PatraD RSS

Not able to start Node manager

769ef988-f626-416d-bc9e-ed053414d841 Newbie
Currently Being Moderated



I have WLS 10.3.6 version.... Untill yesterday Node manger was working fine

Today when i tried to start Node Manager getting below mentioned error.


23 Oct, 2013 4:54:25 PM weblogic.nodemanager.server.NMServer main

SEVERE: Fatal error in node manager server

java.lang.IllegalArgumentException: Invalid pid format

at weblogic.nodemanager.util.WindowsProcessControl.isProcessAlive(

at weblogic.nodemanager.server.AbstractServerManager.initialize(

at weblogic.nodemanager.server.AbstractServerManager.<init>(

at weblogic.nodemanager.server.ServerManager.<init>(

at weblogic.nodemanager.server.DomainManager.initialize(

at weblogic.nodemanager.server.DomainManager.<init>(

at weblogic.nodemanager.server.NMServer.initDomains(

at weblogic.nodemanager.server.NMServer.main(

at weblogic.nodemanager.server.NMServer.start(

at weblogic.NodeManager.main(

C:\Oracle\MIDDLE~1\WLSERV~1.3\common\NODEMA~1>goto finish




Any one faced this kind of issue,


Thanks In Advance!!!

  • 1. Re: Not able to start Node manager
    PatraD Newbie
    Currently Being Moderated

    Hi ,

    See if the Node manager is stopped properly in first place.

    If it is, please try removing the empty lock files under the machine that this node manager is associated with.

    Here are the details:

    cd ${DOMAIN_HOME}

    find . -name "*.lck" -ls

    rm <the-files-found-in-previous-statement>

    The lck files found are probably zero byte files or are corrupted. If they are not zero byte files or they contain a valid integer number I would probably not delete them.


    I could also find a similar post for this issue in OTN, which you might want to take a look at :


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