[HDFS-6752] Avoid Address bind errors in TestDatanodeConfig#testMemlockLimit

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.1, 3.0.0-alpha1
• Fix Version/s: 2.5.0
• Component/s: test
• Target Version/s: 2.5.0
• Hadoop Flags: Reviewed
• Assignee: Vinayakumar B
• Reporter: Vinayakumar B
• Created: 25/Jul/14 07:31
• Updated: 12/May/16 18:16
• Resolved: 25/Jul/14 18:22

Description

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

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)