[NIFI-753] NPE when reading in provenance data

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.2.0
• Fix Version/s: 0.2.0
• Component/s: Core Framework
• Assignee: Mark Payne
• Reporter: Mark Payne
• Created: 08/Jul/15 00:37
• Updated: 16/Jul/15 14:46
• Resolved: 08/Jul/15 01:08

Description

If an attribute is removed, NiFi will fail to restart:

Caused by: java.lang.RuntimeException: Unable to create Provenance Repository
at org.apache.nifi.controller.FlowController.<init>(FlowController.java:411) ~[na:na]
at org.apache.nifi.controller.FlowController.createStandaloneInstance(FlowController.java:350) ~[na:na]
at org.apache.nifi.spring.FlowControllerFactoryBean.getObject(FlowControllerFactoryBean.java:63) ~[na:na]
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168) ~[na:na]
... 130 common frames omitted
Caused by: java.lang.NullPointerException: null
at org.apache.nifi.provenance.StandardRecordReader.readAttributes(StandardRecordReader.java:372) ~[na:na]
at org.apache.nifi.provenance.StandardRecordReader.nextRecord(StandardRecordReader.java:313) ~[na:na]
at org.apache.nifi.provenance.PersistentProvenanceRepository.mergeJournals(PersistentProvenanceRepository.java:1356) ~[na:na]
at org.apache.nifi.provenance.PersistentProvenanceRepository.recoverJournalFiles(PersistentProvenanceRepository.java:1136) ~[na:na]
at org.apache.nifi.provenance.PersistentProvenanceRepository.recover(PersistentProvenanceRepository.java:572) ~[na:na]
at org.apache.nifi.provenance.PersistentProvenanceRepository.initialize(PersistentProvenanceRepository.java:212) ~[na:na]
at org.apache.nifi.controller.FlowController.<init>(FlowController.java:407) ~[na:na]
... 133 common frames omitted