Yonatan Most created FLINK-6717:
-----------------------------------
Summary: NullPointerException from MessageAcknowledgingSourceBase
Key: FLINK-6717
URL: https://issues.apache.org/jira/browse/FLINK-6717
Project: Flink
Issue Type: Bug
Components: Streaming
Affects Versions: 1.2.1
Environment: Ubuntu 12.04.4
java version "1.8.0_111"
Reporter: Yonatan Most
Priority: Trivial
It seems that if {{close}} is called before {{initializeState}}, then
{{idsForCurrentCheckpoint}} is not initialized.
{code}
java.lang.NullPointerException: null
at
org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.close(MessageAcknowledgingSourceBase.java:170)
~[flink-dist_2.10-1.2.0.jar:1.2.0]
at
org.apache.flink.streaming.api.functions.source.MultipleIdsMessageAcknowledgingSourceBase.close(MultipleIdsMessageAcknowledgingSourceBase.java:94)
~[flink-dist_2.10-1.2.0.jar:1.2.0]
at
org.apache.flink.streaming.connectors.rabbitmq.RMQSource.close(RMQSource.java:179)
~[blob_e8e6ccdf6cefe7e6370db4b1b2753baf9e977a24:na]
at
org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)
~[flink-dist_2.10-1.2.0.jar:1.2.0]
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127)
~[flink-dist_2.10-1.2.0.jar:1.2.0]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442)
[flink-dist_2.10-1.2.0.jar:1.2.0]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343)
[flink-dist_2.10-1.2.0.jar:1.2.0]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
[flink-dist_2.10-1.2.0.jar:1.2.0]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_111]
{code}
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