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WebLogic 9.2 - Node Manager startup failing with "java.lang.IllegalArgumentException: Invalid pid format" exception (Doc ID 1269529.1)

Last updated on NOVEMBER 15, 2018

Applies to:

Oracle Weblogic Server - Version: 9.2 to 9.2
Information in this document applies to any platform.


Issue of Node Manager startup failing with the following java.lang.IllegalArgumentException was reported in WebLogic Server 9.2.

<2010-10-27 13:38:18> <SEVERE> <Fatal error in node manager server>
java.lang.IllegalArgumentException: Invalid pid format
at weblogic.nodemanager.util.WindowsProcessControl.isProcessAlive(
at weblogic.nodemanager.server.ServerManager.initialize(
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.start(
at weblogic.nodemanager.server.NMServer.main(
at weblogic.NodeManager.main(


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