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https://issues.apache.org/jira/browse/HBASE-19753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16321257#comment-16321257
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stack commented on HBASE-19753:
-------------------------------
Whoops. I'd actually put aside errors and meant to add them here.
[~Apache9] Here are some of the failures I'd see:
Here is what I'd get if we didn't wait on zk to connect:
[INFO] Results:
[INFO]
[ERROR] Errors:
[ERROR]
org.apache.hadoop.hbase.zookeeper.TestReadOnlyZKClient.org.apache.hadoop.hbase.zookeeper.TestReadOnlyZKClient
[ERROR] Run 1: TestReadOnlyZKClient.setUp:74 ยป ConnectionLoss KeeperErrorCode
= ConnectionLos...
[ERROR] Run 2: TestReadOnlyZKClient.tearDown:91 NullPointer
[INFO]
Same was happening in TestZKNodeTracker
This is the error I'd get sometimes after session was closed:
[INFO] Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.579 s
- in org.apache.hadoop.hbase.zookeeper.TestZKMulti
[INFO] Running org.apache.hadoop.hbase.zookeeper.TestReadOnlyZKClient
[ERROR] Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 5.84 s
<<< FAILURE! - in org.apache.hadoop.hbase.zookeeper.TestReadOnlyZKClient
[ERROR]
testSessionExpire(org.apache.hadoop.hbase.zookeeper.TestReadOnlyZKClient) Time
elapsed: 2.431 s <<< ERROR!
java.util.concurrent.ExecutionException:
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /test
at
org.apache.hadoop.hbase.zookeeper.TestReadOnlyZKClient.testSessionExpire(TestReadOnlyZKClient.java:145)
Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /test
Other failures happened because default TestZKMainServer timeout was way too
short at 1second.
> Miscellany of fixes for hbase-zookeeper tests to make them more robust
> ----------------------------------------------------------------------
>
> Key: HBASE-19753
> URL: https://issues.apache.org/jira/browse/HBASE-19753
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Attachments: HBASE-19753.branch-2.001.patch
>
>
> On my cluster which slows zk, tests hbase-zookeeper rarely all pass.
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