AMQ Streams Operator KafkaMirrorMaker2 NullPointerException

Issue

• AMQ Stream KafkaMirrorMaker2 instance status NotReady with reason NullPointerException.

  status:
    conditions:
      - lastTransitionTime: '2023-02-09T01:16:46.440400Z'
        reason: NullPointerException
        status: 'True'
        type: NotReady
    labelSelector: >-
      strimzi.io/cluster=npe-cluster-mirror-maker-2,strimzi.io/name=npe-cluster-mirror-maker-2-mirrormaker2,strimzi.io/kind=KafkaMirrorMaker2
  

• Checking KafkaMirrorMaker2 pod logs and found error logs

  2023-02-09 00:56:46 ERROR AbstractOperator:247 - Reconciliation #41(watch) KafkaMirrorMaker2(kafka/npe-cluster-mirror-maker-2): createOrUpdate failed
  java.lang.NullPointerException: null
    at io.strimzi.operator.common.Util.lambda$authTlsHash$6(Util.java:547) ~[io.strimzi.operator-common-0.28.0.redhat-00003.jar:0.28.0.redhat-00003]
  ...omitted...
  2023-02-09 00:56:47 INFO  OperatorWatcher:38 - Reconciliation #42(watch) KafkaMirrorMaker2(kafka/npe-cluster-mirror-maker-2): KafkaMirrorMaker2 npe-cluster-mirror-maker-2 in namespace kafka was MODIFIED
  2023-02-09 00:56:47 INFO  CrdOperator:113 - Reconciliation #41(watch) KafkaMirrorMaker2(kafka/npe-cluster-mirror-maker-2): Status of KafkaMirrorMaker2 npe-cluster-mirror-maker-2 in namespace kafka has been updated
  2023-02-09 00:56:47 WARN  AbstractOperator:532 - Reconciliation #41(watch) KafkaMirrorMaker2(kafka/npe-cluster-mirror-maker-2): Failed to reconcile
  java.lang.NullPointerException: null
    at io.strimzi.operator.common.Util.lambda$authTlsHash$6(Util.java:547) ~[io.strimzi.operator-common-0.28.0.redhat-00003.jar:0.28.0.redhat-00003]
  ...omitted...