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https://issues.apache.org/jira/browse/HDFS-15670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Masatake Iwasaki resolved HDFS-15670.
-------------------------------------
Resolution: Cannot Reproduce
I'm closing this as not reproducible. I guess it should be an environmental
issue. Feel free to reopen if you have updates.
> Testcase TestBalancer#testBalancerWithPinnedBlocks always fails
> ---------------------------------------------------------------
>
> Key: HDFS-15670
> URL: https://issues.apache.org/jira/browse/HDFS-15670
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 3.0.0-beta1
> Reporter: Jianfei Jiang
> Priority: Major
> Attachments: HADOOP-15108.000.patch
>
>
> When running testcases without any code changes, the function
> testBalancerWithPinnedBlocks in TestBalancer.java never succeeded. I tried to
> use Ubuntu 16.04 and redhat 7, maybe the failure is not related to various
> linux environment. I am not sure if there is some bug in this case or I used
> wrong environment and settings. Could anyone give some advice.
> -------------------------------------------------------------------------------
> Test set: org.apache.hadoop.hdfs.server.balancer.TestBalancer
> -------------------------------------------------------------------------------
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 100.389 sec
> <<< FAILURE! - in org.apache.hadoop.hdfs.server.balancer.TestBalancer
> testBalancerWithPinnedBlocks(org.apache.hadoop.hdfs.server.balancer.TestBalancer)
> Time elapsed: 100.134 sec <<< ERROR!
> java.lang.Exception: test timed out after 100000 milliseconds
> at java.lang.Object.wait(Native Method)
> at
> org.apache.hadoop.hdfs.DataStreamer.waitForAckedSeqno(DataStreamer.java:903)
> at
> org.apache.hadoop.hdfs.DFSOutputStream.flushInternal(DFSOutputStream.java:773)
> at
> org.apache.hadoop.hdfs.DFSOutputStream.closeImpl(DFSOutputStream.java:870)
> at
> org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:842)
> at
> org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:72)
> at
> org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:101)
> at org.apache.hadoop.hdfs.DFSTestUtil.createFile(DFSTestUtil.java:441)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerWithPinnedBlocks(TestBalancer.java:515)
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