Set Keytab, Check keytab and Remove Keytab operations failing on few clusters

2023-03-06 07:22:00,538  INFO [agent-command-publisher-0] AgentCommandsPublisher:174 - CHECK_KEYTABS called
2023-03-06 07:22:00,538 ERROR [ambari-action-scheduler] AgentCommandsPublisher:126 - Exception on sendAgentCommand
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.ForkJoinTask.get(ForkJoinTask.java:1006)
        at org.apache.ambari.server.events.publishers.AgentCommandsPublisher.sendAgentCommand(AgentCommandsPublisher.java:124)
        at org.apache.ambari.server.actionmanager.ActionScheduler.doWork(ActionScheduler.java:555)
        at org.apache.ambari.server.actionmanager.ActionScheduler.run(ActionScheduler.java:347)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:598)
        at java.util.concurrent.ForkJoinTask.get(ForkJoinTask.java:1005)
        ... 4 more
Caused by: java.lang.NullPointerException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:598)
        at java.util.concurrent.ForkJoinTask.reportException(ForkJoinTask.java:677)
        at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:735)
        at java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:159)
        at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:173)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
        at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
        at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:650)
        at org.apache.ambari.server.events.publishers.AgentCommandsPublisher.lambda$sendAgentCommand$1(AgentCommandsPublisher.java:103)
        at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1386)
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
        at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:163)
Caused by: java.lang.NullPointerException
        at org.apache.ambari.server.events.publishers.AgentCommandsPublisher.prepareExecutionCommandsClusters(AgentCommandsPublisher.java:214)
        at org.apache.ambari.server.events.publishers.AgentCommandsPublisher.populateExecutionCommandsClusters(AgentCommandsPublisher.java:192)
        at org.apache.ambari.server.events.publishers.AgentCommandsPublisher.lambda$null$0(AgentCommandsPublisher.java:122)
        at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
        at com.google.common.collect.CollectSpliterators$1.lambda$forEachRemaining$1(CollectSpliterators.java:116)
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
        at com.google.common.collect.CollectSpliterators$1.forEachRemaining(CollectSpliterators.java:116)
        at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.lambda$forEachRemaining$1(CollectSpliterators.java:247)
        at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1699)
        at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.forEachRemaining(CollectSpliterators.java:247)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
        at java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
        at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)
        ... 4 more