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https://issues.apache.org/jira/browse/FLINK-7960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16234306#comment-16234306
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ASF GitHub Bot commented on FLINK-7960:
---------------------------------------
Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/4933#discussion_r148305773
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/executiongraph/utils/SimpleAckingTaskManagerGateway.java
---
@@ -48,6 +48,8 @@
private Optional<Consumer<ExecutionAttemptID>> optSubmitCondition;
+ private Optional<Consumer<ExecutionAttemptID>> optCancelCondition;
--- End diff --
This will be always `null` initialized. Isn't that a problem?
> ExecutionGraphRestartTest fails sporadically
> --------------------------------------------
>
> Key: FLINK-7960
> URL: https://issues.apache.org/jira/browse/FLINK-7960
> Project: Flink
> Issue Type: Bug
> Components: Distributed Coordination, Tests
> Affects Versions: 1.4.0, 1.3.2
> Reporter: Gary Yao
> Assignee: Till Rohrmann
> Priority: Critical
> Labels: test-stability
> Fix For: 1.4.0
>
>
> When running {{ExecutionGraphRestartTest}} as a whole,
> {{testConcurrentLocalFailAndRestart}} fails sporadically.
> *How to reproduce*
> Run
> {noformat}
> mvn -DfailIfNoTests=false -Dtest=ExecutionGraphRestartTest test
> {noformat}
> Stacktrace:
> {noformat}
> java.lang.AssertionError
> at
> org.apache.flink.runtime.executiongraph.ExecutionGraphTestUtils.switchToRunning(ExecutionGraphTestUtils.java:205)
> at
> org.apache.flink.runtime.executiongraph.ExecutionGraphRestartTest.testConcurrentLocalFailAndRestart(ExecutionGraphRestartTest.java:657)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> {noformat}
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