[jira] [Created] (HDFS-6752) Avoid Address bind errors in TestDatanodeConfig#testMemlockLimit

["Vinayakumar B (JIRA)" <ji...@apache.org>]

Vinayakumar B created HDFS-6752:
-----------------------------------

             Summary: Avoid Address bind errors in TestDatanodeConfig#testMemlockLimit 
                 Key: HDFS-6752
                 URL: https://issues.apache.org/jira/browse/HDFS-6752
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Vinayakumar B
            Assignee: Vinayakumar B


Above test failed due to Address Bind Exception.
Set the HTTP port to ephemeral port in Configuration.

{noformat}java.net.BindException: Port in use: 0.0.0.0:50075
	at sun.nio.ch.Net.bind(Native Method)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:124)
	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
	at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
	at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:853)
	at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:794)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.startInfoServer(DataNode.java:473)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:856)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:379)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2046)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1933)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1980)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1970)
	at org.apache.hadoop.hdfs.TestDatanodeConfig.testMemlockLimit(TestDatanodeConfig.java:146){noformat}



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