Sorabh Hamirwasia created DRILL-6788:
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Summary: Intermittent unit test failure
TestDrillbitResilience.failsWhenParsing:748->assertFailsWithException:736->assertFailsWithException:730
Query state should be FAILED (and not COMPLETED)
Key: DRILL-6788
URL: https://issues.apache.org/jira/browse/DRILL-6788
Project: Apache Drill
Issue Type: Bug
Components: Tools, Build & Test
Affects Versions: 1.15.0
Reporter: Sorabh Hamirwasia
Assignee: Sorabh Hamirwasia
Fix For: 1.15.0
I am seeing a unit test failing for me consistently on master. On further
debugging I think the root cause is because of a change done as part of below
commit for DRILL-6762.
[https://github.com/apache/drill/commit/2bd26ffe34108f876184c63188122f2d49db4c4a]
*Failing Test:*
{code:java}
13:35:30.914 [main] ERROR org.apache.drill.TestReporter - Test Failed (d: 0
B(65.0 KiB), h: 33.0 MiB(2.2 GiB), nh: 56.3 KiB(304.1 MiB)):
failsWhenParsing(org.apache.drill.exec.server.TestDrillbitResilience)
java.lang.AssertionError: Query state should be FAILED (and not COMPLETED). at
org.apache.drill.exec.server.TestDrillbitResilience.assertFailsWithException(TestDrillbitResilience.java:730)
~[test-classes/:na] at
org.apache.drill.exec.server.TestDrillbitResilience.assertFailsWithException(TestDrillbitResilience.java:736)
~[test-classes/:na] at
org.apache.drill.exec.server.TestDrillbitResilience.failsWhenParsing(TestDrillbitResilience.java:748)
~[test-classes/:na] at java.lang.Thread.run(Thread.java:748)
~[na:1.8.0_161]{code}
TestDrillbitResilience.failsWhenParsing:748->assertFailsWithException:736->assertFailsWithException:730
Query state should be FAILED (and not COMPLETED).
*Root Cause:*
The test basically set's up an injection to be triggered during parsing and
only throw checked exception once. With [this new
change|https://github.com/apache/drill/commit/2bd26ffe34108f876184c63188122f2d49db4c4a#diff-e67ba82ec2fbb8bc15eed30ec6a5379cR82]
it catches the throw'd exception and retries. Since the injector has already
thrown the exception before upon retry it doesn't inject another exception and
the query is fine.
*Fix:*
We can fix this by increasing the number of throws by injector to 2 instead of
1 so upon retry the exception will be thrown again.
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