Avihai Berkovitz created FLINK-4631: ---------------------------------------
Summary: NullPointerException during stream task cleanup Key: FLINK-4631 URL: https://issues.apache.org/jira/browse/FLINK-4631 Project: Flink Issue Type: Bug Affects Versions: 1.1.2 Environment: Ubuntu server 12.04.5 64 bit java version "1.8.0_40" Java(TM) SE Runtime Environment (build 1.8.0_40-b26) Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode) Reporter: Avihai Berkovitz If a streaming job failed during startup (in my case, due to lack of network buffers), all the tasks are being cancelled before they started. This causes many instances of the following exception: {noformat} 2016-09-18 14:17:12,177 ERROR org.apache.flink.streaming.runtime.tasks.StreamTask - Error during cleanup of stream task java.lang.NullPointerException at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.cleanup(OneInputStreamTask.java:73) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:323) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584) at java.lang.Thread.run(Thread.java:745) {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)