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"CWOBJ0002W: Network partition!" Error on Catalog Servers

Troubleshooting


Problem

Multiple errors in WebSphere eXtreme Scale (WXS) such as unexpected returns from xscmd displays and failed data retrieval from clients.

Symptom

In the catalog server SystemOut.log, the following exceptions are logged:



CWOBJ1506E: More than one primary replication group member exists in this group Only one primary can be active.

CommonReplica W CWOBJ0002W: ObjectGrid component is ignoring an unexpected exception: com.ibm.websphere.objectgrid.ObjectGridRuntimeException: Multiple primaries. Network partition!
at com.ibm.ws.objectgrid.replication.CommonReplicationGroupMemberService.determineConfiguration(CommonReplicationGroupMemberService.java:1699)
at com.ibm.ws.objectgrid.replication.CommonReplicationGroupMemberService.processRGMStatusResponse(CommonReplicationGroupMemberService.java:1041)
at com.ibm.ws.objectgrid.replication.CommonReplicationGroupMemberService.dispatchMessage(CommonReplicationGroupMemberService.java:625)
at com.ibm.ws.objectgrid.replication.CommonReplicationGroupMemberService.run(CommonReplicationGroupMemberService.java:895)
at java.lang.Thread.run(Thread.java:810)

[{"Product":{"code":"SSTVLU","label":"WebSphere eXtreme Scale"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"General","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"8.6.1.0;8.6","Edition":"All Editions","Line of Business":{"code":"LOB77","label":"Automation Platform"}},{"Product":{"code":"SSPPLQ","label":"WebSphere Extended Deployment"},"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Component":"General","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"7.0;6.1.1;6.1","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

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Document Information

Modified date:
15 June 2018

UID

swg21431114