[FLINK-3393] ExternalProcessRunner wait to finish copying error stream

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Assignee: Greg Hogan
• Reporter: Greg Hogan
• Created: 12/Feb/16 13:35
• Updated: 13/Apr/21 20:40
• Resolved: 12/Feb/16 22:06

Description

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.

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)