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Posted to issues@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2017/07/20 14:07:00 UTC

[jira] [Created] (NIFI-4208) Node failed to join cluster due to NullPointerException

Mark Payne created NIFI-4208:
--------------------------------

             Summary: Node failed to join cluster due to NullPointerException
                 Key: NIFI-4208
                 URL: https://issues.apache.org/jira/browse/NIFI-4208
             Project: Apache NiFi
          Issue Type: Bug
            Reporter: Mark Payne
            Assignee: Mark Payne
            Priority: Critical
             Fix For: 1.4.0


A clustered node ran out of disk space. Upon restart, I came across the following error:

2017-07-20 09:03:00,988 ERROR [main] o.a.nifi.controller.StandardFlowService Failed to load flow from cluster due to: org.apache.nifi.cluster.ConnectionException: Failed to connect node to cluster due to: java.lang.NullPointerException
org.apache.nifi.cluster.ConnectionException: Failed to connect node to cluster due to: java.lang.NullPointerException
	at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:945)
	at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:515)
	at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:800)
	at org.apache.nifi.NiFi.<init>(NiFi.java:160)
	at org.apache.nifi.NiFi.main(NiFi.java:267)
Caused by: java.lang.NullPointerException: null
	at org.apache.nifi.controller.repository.RepositoryRecordSerde.getRecordIdentifier(RepositoryRecordSerde.java:43)
	at org.apache.nifi.controller.repository.RepositoryRecordSerde.getRecordIdentifier(RepositoryRecordSerde.java:26)
	at org.wali.MinimalLockingWriteAheadLog$Partition.recoverNextTransaction(MinimalLockingWriteAheadLog.java:1132)
	at org.wali.MinimalLockingWriteAheadLog.recoverFromEdits(MinimalLockingWriteAheadLog.java:459)
	at org.wali.MinimalLockingWriteAheadLog.recoverRecords(MinimalLockingWriteAheadLog.java:301)
	at org.apache.nifi.controller.repository.WriteAheadFlowFileRepository.loadFlowFiles(WriteAheadFlowFileRepository.java:381)
	at org.apache.nifi.controller.FlowController.initializeFlow(FlowController.java:713)
	at org.apache.nifi.controller.StandardFlowService.initializeController(StandardFlowService.java:955)
	at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:927)
	... 4 common frames omitted



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