[NIFI-3186] NullPointerException in Provenance Repository on startup

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.2.0, 1.1.1
• Assignee: Joe Gresock
• Reporter: Joe Gresock
• Created: 12/Dec/16 10:42
• Updated: 15/Dec/16 18:29
• Resolved: 15/Dec/16 18:29

Description

Often when NiFi restarts itself, we will get this error on startup, which prevents the node from starting until we delete the provenance_repository from disk.

Caused by: java.lang.RuntimeException: Unable to create Provenance Repository
        at org.apache.nifi.controller.FlowController.<init>(FlowController.java:459) ~[nifi-framework-core-1.1.0.jar:1.1.0]
        at org.apache.nifi.controller.FlowController.createClusteredInstance(FlowController.java:403) ~[nifi-framework-core-1.1.0.jar:1.1.0]
        at org.apache.nifi.spring.FlowControllerFactoryBean.getObject(FlowControllerFactoryBean.java:61) ~[nifi-framework-core-1.1.0.jar:1.1.0]
        at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
        ... 41 common frames omitted
Caused by: java.lang.NullPointerException: null
        at org.apache.nifi.provenance.schema.EventRecord.getEvent(EventRecord.java:122) ~[na:na]
        at org.apache.nifi.provenance.ByteArraySchemaRecordReader.nextRecord(ByteArraySchemaRecordReader.java:77) ~[na:na]
        at org.apache.nifi.provenance.serialization.CompressableRecordReader.nextRecord(CompressableRecordReader.java:272) ~[na:na]
        at org.apache.nifi.provenance.PersistentProvenanceRepository.mergeJournals(PersistentProvenanceRepository.java:1826) ~[na:na]
        at org.apache.nifi.provenance.PersistentProvenanceRepository.recoverJournalFiles(PersistentProvenanceRepository.java:1505) ~[na:na]
        at org.apache.nifi.provenance.PersistentProvenanceRepository.recover(PersistentProvenanceRepository.java:665) ~[na:na]
        at org.apache.nifi.provenance.PersistentProvenanceRepository.initialize(PersistentProvenanceRepository.java:268) ~[na:na]
        at org.apache.nifi.controller.FlowController.<init>(FlowController.java:457) ~[nifi-framework-core-1.1.0.jar:1.1.0]

Issue Links

• links to: GitHub Pull Request #1317