[HDFS-9512] TestBackupNode flakes with port in use error on 50070

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Xiao Chen
• Reporter: Xiao Chen
• Created: 07/Dec/15 04:00
• Updated: 09/Dec/15 03:41
• Resolved: 07/Dec/15 18:21

Description

HDFS-5948 fixed one of these port in use failures. But just met another one with the following stack trace:

Error Message

Port in use: 0.0.0.0:50070

Stacktrace

java.net.BindException: Port in use: 0.0.0.0:50070
	at sun.nio.ch.Net.bind0(Native Method)
	at sun.nio.ch.Net.bind(Net.java:444)
	at sun.nio.ch.Net.bind(Net.java:436)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
	at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
	at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:942)
	at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:883)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:142)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:774)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:663)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:838)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:817)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1522)
	at org.apache.hadoop.hdfs.server.namenode.TestBackupNode.startBackupNodeWithIncorrectAuthentication(TestBackupNode.java:165)

Issue Links

• duplicates: HDFS-9458 TestBackupNode always binds to port 50070, which can cause bind failures.