Andreas Neumann created TEPHRA-255:
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Summary: PruneUpperBoundWriterSupplierTest is flaky
Key: TEPHRA-255
URL: https://issues.apache.org/jira/browse/TEPHRA-255
Project: Tephra
Issue Type: Bug
Affects Versions: 0.13.0-incubating
Reporter: Andreas Neumann
Assignee: Poorna Chandra
The travis build, on rare occasions, fails with:
{noformat}
testSupplier(org.apache.tephra.hbase.txprune.PruneUpperBoundWriterSupplierTest)
Time elapsed: 2.599 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.assertFalse(Assert.java:64)
at org.junit.Assert.assertFalse(Assert.java:74)
at
org.apache.tephra.hbase.txprune.PruneUpperBoundWriterSupplierTest.testSupplier(PruneUpperBoundWriterSupplierTest.java:120)
{noformat}
This looks like a race between the shutting down the writer and asserting that
it has shut down.
It may be caused by the fact that upon shutdown(), the PruneUpperBoundWriter
gives its flush thread only 1 ms to join. In slow test environments, that may
not be sufficient.
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