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https://issues.apache.org/jira/browse/HDFS-11967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16047228#comment-16047228
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Arpit Agarwal commented on HDFS-11967:
--------------------------------------

Also thanks for the test verification [~manojg]!

> TestJMXGet fails occasionally
> -----------------------------
>
>                 Key: HDFS-11967
>                 URL: https://issues.apache.org/jira/browse/HDFS-11967
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>              Labels: test
>             Fix For: 2.9.0, 3.0.0-alpha4, 2.8.2
>
>         Attachments: HDFS-11967.01.patch
>
>
> TestJMXGet times out occasionally with the following call stack.
> {code}
> java.lang.Exception: test timed out
>       at java.lang.Object.wait(Native Method)
>       at java.io.PipedInputStream.awaitSpace(PipedInputStream.java:273)
>       at java.io.PipedInputStream.receive(PipedInputStream.java:231)
>       at java.io.PipedOutputStream.write(PipedOutputStream.java:149)
>       at java.io.PrintStream.write(PrintStream.java:480)
>       at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
>       at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291)
>       at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
>       at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:185)
>       at java.io.PrintStream.write(PrintStream.java:527)
>       at java.io.PrintStream.print(PrintStream.java:669)
>       at java.io.PrintStream.println(PrintStream.java:806)
>       at org.apache.hadoop.hdfs.tools.JMXGet.err(JMXGet.java:245)
>       at org.apache.hadoop.hdfs.tools.JMXGet.printAllValues(JMXGet.java:105)
>       at 
> org.apache.hadoop.tools.TestJMXGet.checkPrintAllValues(TestJMXGet.java:136)
>       at org.apache.hadoop.tools.TestJMXGet.testNameNode(TestJMXGet.java:108)
> {code}



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