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Re: datanode can not start
varun kumar 2013-06-26, 09:59
HI huang,
*
*
*Some other service is running on the port or you did not stop the datanode
service properly.*
*
*
*Regards,*
*Varun Kumar.P
*
On Wed, Jun 26, 2013 at 3:13 PM, ch huang <[EMAIL PROTECTED]> wrote:

> i have running old cluster datanode,so it exist some conflict, i changed
> default port, here is my hdfs-site.xml
>
>
> <configuration>
>
>        <property>
>
>                 <name>dfs.name.dir</name>
>
>                 <value>/data/hadoopnamespace</value>
>
>         </property>
>
>         <property>
>
>                 <name>dfs.data.dir</name>
>
>                 <value>/data/hadoopdata</value>
>
>         </property>
>
>         <property>
>
>                 <name>dfs.datanode.address</name>
>
>                 <value>0.0.0.0:50011</value>
>
>         </property>
>
>         <property>
>
>                 <name>dfs.permissions</name>
>
>                 <value>false</value>
>
>         </property>
>
>         <property>
>
>                 <name>dfs.datanode.max.xcievers</name>
>
>                 <value>4096</value>
>
>         </property>
>
>         <property>
>
>                 <name>dfs.webhdfs.enabled</name>
>
>                 <value>true</value>
>
>         </property>
>
>         <property>
>
>                 <name>dfs.http.address</name>
>
>                 <value>192.168.10.22:50070</value>
>
>         </property>
>
> </configuration>
>
>
> 2013-06-26 17:37:24,923 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting DataNode
> STARTUP_MSG:   host = CH34/192.168.10.34
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.20.2-cdh3u4
> STARTUP_MSG:   build > file:///data/1/tmp/topdir/BUILD/hadoop-0.20.2-cdh3u4 -r
> 214dd731e3bdb687cb55988d3f47dd9e248c5690; compiled by 'root' on Mon May  7
> 14:03:02 PDT 2012
> ************************************************************/
> 2013-06-26 17:37:25,335 INFO
> org.apache.hadoop.security.UserGroupInformation: JAAS Configuration already
> set up for Hadoop, not re-installing.
> 2013-06-26 17:37:25,421 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: Registered
> FSDatasetStatusMBean
> 2013-06-26 17:37:25,429 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: Opened streaming server at
> 50011
> 2013-06-26 17:37:25,430 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: Balancing bandwith is
> 1048576 bytes/s
> 2013-06-26 17:37:25,470 INFO org.mortbay.log: Logging to
> org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via
> org.mortbay.log.Slf4jLog
> 2013-06-26 17:37:25,513 INFO org.apache.hadoop.http.HttpServer: Added
> global filtersafety
> (class=org.apache.hadoop.http.HttpServer$QuotingInputFilter)
> 2013-06-26 17:37:25,518 INFO org.apache.hadoop.http.HttpServer: Port
> returned by webServer.getConnectors()[0].getLocalPort() before open() is
> -1. Opening the listener on 50075
> 2013-06-26 17:37:25,519 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: Waiting for threadgroup to
> exit, active threads is 0
> 2013-06-26 17:37:25,619 INFO
> org.apache.hadoop.hdfs.server.datanode.FSDatasetAsyncDiskService: Shutting
> down all async disk service threads...
> 2013-06-26 17:37:25,619 INFO
> org.apache.hadoop.hdfs.server.datanode.FSDatasetAsyncDiskService: All async
> disk service threads have been shut down.
> 2013-06-26 17:37:25,620 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: java.net.BindException:
> Address already in use
>         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.HttpServer.start(HttpServer.java:564)
>         at
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:505)
>         at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:303)

Regards,
Varun Kumar.P