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IBM Maximo Application Suite - Communication problems between different MAS components

Troubleshooting


Problem

It has been reported that specific DNS settings or load balancer configuration that are done inside or outside of OpenShift cluster and that are not under IBM control can cause communication issues between different IBM Maximo Application Suite as: coreapi, internalapi, workspace.

Diagnosing The Problem

Accessing different IBM Maximo Application Suite applications can throw below errors in log traces:
  • In IBM Maximo Application Suite  UI:
CWOAU0062E: The OAuth service provider could not redirect the request because the redirect URI was not valid. Contact your system administrator to resolve the problem.
  • In coreidp pod:
CWIML4537E: The login operation could not be completed. The specified principal name xxxxxxxx is not found in the back-end repository.
com.ibm.wsspi.security.wim.exception.PasswordCheckFailedException: CWIML4537E: The login operation could not be completed. The specified principal name xxxxxxxxxxxxxxx is not found in the back-end repository.

Resolving The Problem

Based on the component you are seeing the issue set the EVENTLET_NO_GREENDNS=yes environment variable to the component deployment as:
oc set env deployment <instanceId>-catalogmgr EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-catalogmgr EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-internalapi EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-catalogapi EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-adoptionusageapi EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-milestonesapi EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-coreapi EVENTLET_NO_GREENDNS=yes
oc set env deployment <instanceId>-licensing-mediator EVENTLET_NO_GREENDNS=yes

Document Location

Worldwide

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Document Information

Modified date:
12 March 2024

UID

ibm17138408

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