Gary Yao created FLINK-10663:
--------------------------------
Summary: Closing StreamingFileSink can cause NPE
Key: FLINK-10663
URL: https://issues.apache.org/jira/browse/FLINK-10663
Project: Flink
Issue Type: Bug
Components: filesystem-connector, Streaming Connectors
Affects Versions: 1.6.1, 1.7.0
Environment: Rev cb141940821bcf62f4102dfd5c76aff99d0c15d1
Reporter: Gary Yao
*Description*
If the sink is closed before it's state is initialized, an NPE is thrown.
*Stacktrace*
{code}
java.lang.NullPointerException
at
org.apache.flink.streaming.api.functions.sink.filesystem.StreamingFileSink.close(StreamingFileSink.java:378)
at
org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:117)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:477)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:378)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:704)
at java.lang.Thread.run(Thread.java:748)
{code}
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