You can see similar errors in the std_dispatcher and std_server logs as below:
Loading: ClusterManager ... [Framework -> criticalShutdown] Exiting Listener Loop. This requires a restart of the node. Possible reason is an interrupted reconnect session to the message server.
com.sap.engine.core.Framework [SAP J2EE Engine MS Socket Listener] Fatal: Critical shutdown was invoked.
Reason is: Exiting Listener Loop. This requires a restart of the node. Possible reason is an interrupted reconnect session to the message server.
...anagerImpl.init(java.util.Properties) [Thread[Thread-1,5,main]] Fatal: Cannot attach to the Message Server. cluster Id is not unique.
Loading: ClusterManager returned false!
Kernel not loaded. System halted.
JLaunchCloseProgram: good bye (exitcode = -337)
SAP NetWeaver Application Server Java
exitcode, 337, Fatal, Cannot attach to the Message Server, cluster Id is not unique, ClusterManager returned false, Kernel not loaded, System halted, ClusterManager, Framework, criticalShutdown, Listener Loop, interrupted reconnect session to the message server, Socket Listener, -337, NiAcl::checkAddress, deny, no rule matched , KBA , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , BC-CST-MS , Message Service , Problem
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