Unexpected error while monitoring server Invalid state file format | Weeblogic

Oracle Weblogic Server

On WLS 10.3.x
Windows 2008 R2
Configured 3 machines, every machine with a node manager working.

All 3 machines had access to the same domain directory on a shared storage
while each of them have a separate binaries installation, also on a shared storage.

1) start node manager on node 1
2) start server using node manager 1
3) start node manager on node 2

you see below error in logs while starting:

<Oct 4, 2011 5:22:10 PM> <FINEST> <soa_domain> <AdminServer> <Wrote
process id 26652>
<Oct 4, 2011 5:42:41 PM> <SEVERE> <soa_domain> <AdminServer>
<Unexpected error while monitoring server>
java.io.IOException: Invalid state file format. State file contents:
at weblogic.nodemanager.common.StateInfo.load(StateInfo.java:135)
at weblogic.nodemanager.server.ServerMonitor.run(ServerMonitor.java:25)
at java.lang.Thread.run(Thread.java:662)

most Likely the cause will be DomainsDirRemoteSharingEnabled will be “false”, make it “true” in nodemanager.properties file to avoid thsi error.
Specifies whether Node Manager is monitoring a shared domain directory. As such, more that one Node Manager may be monitoring the shared directory from different machines.

Set to true to indicate that you have a shared domain directory (mounted directory or Windows NFS) that multiple nodes will be sharing. Enabling this property allows multiple Node Managers to share the domain without affecting each other.

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