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https://issues.apache.org/jira/browse/HBASE-23814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17058281#comment-17058281
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Nick Dimiduk commented on HBASE-23814:
--------------------------------------
I've got a local failure of {{TestLogCleaner}},
{noformat}
java.lang.AssertionError: expected:<2> but was:<1>
at
org.apache.hadoop.hbase.master.cleaner.TestLogsCleaner.testOnConfigurationChange(TestLogsCleaner.java:310)
{noformat}
{noformat}
2020-03-12 21:22:17,896 INFO [Time-limited test] hbase.ResourceChecker(179):
after:
master.cleaner.TestLogsCleaner#testZooKeeperAbortDuringGetListOfReplicators
Thread=88 (was \
87)
Potentially hanging thread: Time-limited test-SendThread(localhost:65205)
[email protected]/java.lang.Thread.sleep(Native Method)
app//org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:230)
app//org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1246)
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1182)
- Thread LEAK? -, OpenFileDescriptor=267 (was 262) - OpenFileDescriptor LEAK?
-, MaxFileDescriptor=1048576 (was 1048576), SystemLoadAverage=586 (was 586),
ProcessCount=155 (was 155), AvailableMemoryMB\
=8645 (was 8661)
2020-03-12 21:22:17,905 INFO [Time-limited test] hbase.ResourceChecker(151):
before: master.cleaner.TestLogsCleaner#testOnConfigurationChange Thread=88,
OpenFileDescriptor=267, MaxFileDescriptor=10485\
76, SystemLoadAverage=586, ProcessCount=155, AvailableMemoryMB=8645
2020-03-12 21:22:17,917 INFO [Time-limited test] cleaner.CleanerChore(157):
Initialize cleaner=org.apache.hadoop.hbase.master.cleaner.TimeToLiveLogCleaner
2020-03-12 21:22:17,918 INFO [Time-limited test] cleaner.CleanerChore(157):
Initialize
cleaner=org.apache.hadoop.hbase.master.cleaner.TimeToLiveProcedureWALCleaner
2020-03-12 21:22:17,918 INFO [Time-limited test] cleaner.LogCleaner(150):
Creating 1 old WALs cleaner threads
{noformat}
> Add null checks and logging to misc set of tests
> ------------------------------------------------
>
> Key: HBASE-23814
> URL: https://issues.apache.org/jira/browse/HBASE-23814
> Project: HBase
> Issue Type: Bug
> Reporter: Michael Stack
> Assignee: Michael Stack
> Priority: Trivial
> Fix For: 3.0.0, 2.3.0
>
>
> I've been studying unit tests of late. A few are failing but then the output
> is missing a detail or shutdown complains of NPE because startup didn't
> succeed.
> Here are super minor items I've been carrying around that I'd like to land.
> They do not change the function of tests (there is an attempt at a fix of
> TestLogsCleaner).
> * TestFullLogReconstruction log the server we've chosen to expire and then
> note where we starting counting rows
> * TestAsyncTableScanException use a define for row counts; count 100 instead
> of 1000 and see if helps
> * TestRawAsyncTableLimitedScanWithFilter check connection was made before
> closing it in tearDown
> * TestLogsCleaner use single mod time. Make it for sure less than now in case
> test runs all in the same millisecond (would cause test fail)
> * TestReplicationBase test table is non-null before closing in tearDown
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