Mark Payne created NIFI-2976:
--------------------------------
Summary: NullPointerException thrown if attempting to reconnect to
cluster but reconnection fails
Key: NIFI-2976
URL: https://issues.apache.org/jira/browse/NIFI-2976
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Reporter: Mark Payne
Fix For: 1.1.0
If we have a case where the Cluster Coordinator requests that Node A re-join
the cluster, but Node A fails to join, Node A will throw a
NullPointerException, with the following stack trace:
{code}
2016-10-31 16:35:49,354 ERROR [Reconnect to Cluster]
o.a.nifi.controller.StandardFlowService Handling reconnection request failed
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:901)
[nifi-framework-core-1.0.0.2.0.1.0-12.jar:1.0.0.2.0.1.0-12]
at
org.apache.nifi.controller.StandardFlowService.handleReconnectionRequest(StandardFlowService.java:599)
[nifi-framework-core-1.0.0.2.0.1.0-12.jar:1.0.0.2.0.1.0-12]
at
org.apache.nifi.controller.StandardFlowService.access$300(StandardFlowService.java:97)
[nifi-framework-core-1.0.0.2.0.1.0-12.jar:1.0.0.2.0.1.0-12]
at
org.apache.nifi.controller.StandardFlowService$2.run(StandardFlowService.java:404)
[nifi-framework-core-1.0.0.2.0.1.0-12.jar:1.0.0.2.0.1.0-12]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
Caused by: java.lang.NullPointerException: null
at
org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:863)
[nifi-framework-core-1.0.0.2.0.1.0-12.jar:1.0.0.2.0.1.0-12]
... 4 common frames omitted
{code}
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