Mohammad Shahid Khan created HDFS-8268:
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Summary: Port conflict log for data node server is not sufficient
Key: HDFS-8268
URL: https://issues.apache.org/jira/browse/HDFS-8268
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 2.7.0, 2.8.0
Environment: x86_64 x86_64 x86_64 GNU/Linux
Reporter: Mohammad Shahid Khan
Assignee: Mohammad Shahid Khan
Priority: Minor
Data Node Server start up issue due to port conflict.
The data node server port "dfs.datanode.http.address" conflict is not
sufficient to identify the reason of failure.
The exception log by the server is as below
*Actual:*
2015-04-27 16:48:53,960 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode:
Exception in secureMain
java.net.BindException: Address already in use
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:437)
at sun.nio.ch.Net.bind(Net.java:429)
at
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at
io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:125)
at
io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:475)
at
io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1021)
at
io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:455)
at
io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:440)
at
io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:844)
at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:194)
at
io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:340)
at
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at
io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
at java.lang.Thread.run(Thread.java:745)
*_The above log does not contain the information of the conflicting port._*
*Expected output:*
java.net.BindException: Problem binding to [0.0.0.0:50075]
java.net.BindException: Address already in use; For more details see:
http://wiki.apache.org/hadoop/BindException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:792)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:721)
at
org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer.start(DatanodeHttpServer.java:160)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startInfoServer(DataNode.java:795)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1142)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:439)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2420)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2298)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2349)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2540)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2564)
Caused by: java.net.BindException: Address already in use
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:437)
at sun.nio.ch.Net.bind(Net.java:429)
at
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at
io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:125)
at
io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:475)
at
io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1021)
at
io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:455)
at
io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:440)
at
io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:844)
at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:194)
at
io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:340)
at
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at
io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
at java.lang.Thread.run(Thread.java:745)
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