[IMPALA-8753] JdbcTest's testConcurrentSessionMixedIdleTimeout() flaky

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Cannot Reproduce
• Affects Version/s: Impala 3.3.0
• Labels: broken-build
• Epic Color: ghx-label-1
• Assignee: Zoltán Borók-Nagy
• Reporter: Joe McDonnell
• Created: 11/Jul/19 21:48
• Updated: 17/Nov/20 20:28
• Resolved: 17/Nov/20 20:28

Description

An exhaustive run on Centos6 hit a failure in JdbcTest::testConcurrentSessionMixedIdleTimeout():

 

02:29:36 [ERROR] Tests run: 26, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 69.083 s <<< FAILURE! - in org.apache.impala.service.JdbcTest
02:29:36 [ERROR] testConcurrentSessionMixedIdleTimeout[0](org.apache.impala.service.JdbcTest)  Time elapsed: 13.222 s  <<< FAILURE!
02:29:36 	at org.apache.impala.service.JdbcTest.testConcurrentSessionMixedIdleTimeout(JdbcTest.java:581)
02:29:36 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:236)
...
02:29:36 [ERROR] Failures: 
02:29:36 [ERROR]   JdbcTest.testConcurrentSessionMixedIdleTimeout:581 expected:<0> but was:<1>
02:29:36 [ERROR] Tests run: 970, Failures: 1, Errors: 0, Skipped: 45

The faliure didn't produce much output (no JUnitXML, for example).