Andrey created FLINK-6294: ----------------------------- Summary: BucketingSink throws NPE while cancelling job Key: FLINK-6294 URL: https://issues.apache.org/jira/browse/FLINK-6294 Project: Flink Issue Type: Bug Components: Streaming Connectors Affects Versions: 1.2.0 Reporter: Andrey
Steps to reproduce: * configure BucketingSink and run job * cancel job from UI before processing any messages * in logs: {code} 2017-04-11 10:14:54,681 INFO org.apache.flink.core.fs.FileSystem - Ensuring all FileSystem streams are closed for Source: Custom Source (1/2) [Source: Custom Source (1/2)] 2017-04-11 10:14:54,881 INFO org.apache.flink.runtime.taskmanager.TaskManager - Un-registering task and sending final execution state CANCELED to JobManager for task Source: Custom Source (56d0c9ffe06dc3e4481e7ce530d9894f) [flink-akka.actor.default-dispatcher-4] 2017-04-11 10:14:56,584 ERROR org.apache.flink.streaming.runtime.tasks.StreamTask - Error during disposal of stream operator. [Flat Map -> Sink: Unnamed (2/2)] java.lang.NullPointerException at org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.close(BucketingSink.java:422) at org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43) at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127) at org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655) at java.lang.Thread.run(Thread.java:745) {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)