[HDFS-11967] TestJMXGet fails occasionally

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-alpha4, 2.8.2
• Labels: test
• Hadoop Flags: Reviewed
• Assignee: Arpit Agarwal
• Reporter: Arpit Agarwal
• Created: 12/Jun/17 00:39
• Updated: 13/Jun/17 00:00
• Resolved: 12/Jun/17 23:37

Description

TestJMXGet times out occasionally with the following call stack.

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)