Greg Hogan created FLINK-3393:
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Summary: ExternalProcessRunner wait to finish copying error stream
Key: FLINK-3393
URL: https://issues.apache.org/jira/browse/FLINK-3393
Project: Flink
Issue Type: Bug
Reporter: Greg Hogan
Assignee: Greg Hogan
Priority: Trivial
Travis CI reported the following error, which could be caused by
{{ExternalProcessRunner.run}} returning before the {{PipeForwarder}} has
finished copying standard error. Resolution is for
{{ExternalProcessRunner.run}} to join on the {{PipeForwarder}}.
{code}
Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.414 sec <<<
FAILURE! - in org.apache.flink.util.ExternalProcessRunnerTest
testFailing(org.apache.flink.util.ExternalProcessRunnerTest) Time elapsed:
0.405 sec <<< FAILURE!
java.lang.AssertionError: null
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertTrue(Assert.java:52)
at
org.apache.flink.util.ExternalProcessRunnerTest.testFailing(ExternalProcessRunnerTest.java:75)
{code}
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