Your script has an error in it. Please test your script using both IP Addresses and Names, outside of hadoop.
On Wed, May 8, 2013 at 10:01 AM, Mohammad Mustaqeem <[email protected]>wrote: > I have done this and found following error in log - > > 2013-05-08 18:53:45,221 WARN org.apache.hadoop.net.ScriptBasedMapping: > Exception running > /home/mustaqeem/development/hadoop-2.0.3-alpha/etc/hadoop/rack.sh 127.0.0.1 > org.apache.hadoop.util.Shell$ExitCodeException: > /home/mustaqeem/development/hadoop-2.0.3-alpha/etc/hadoop/rack.sh: 8: > /home/mustaqeem/development/hadoop-2.0.3-alpha/etc/hadoop/rack.sh: Syntax > error: "(" unexpected (expecting "done") > > at org.apache.hadoop.util.Shell.runCommand(Shell.java:202) > at org.apache.hadoop.util.Shell.run(Shell.java:129) > at > org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:322) > at > org.apache.hadoop.net.ScriptBasedMapping$RawScriptBasedMapping.runResolveCommand(ScriptBasedMapping.java:241) > at > org.apache.hadoop.net.ScriptBasedMapping$RawScriptBasedMapping.resolve(ScriptBasedMapping.java:179) > at > org.apache.hadoop.net.CachedDNSToSwitchMapping.resolve(CachedDNSToSwitchMapping.java:119) > at > org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.resolveNetworkLocation(DatanodeManager.java:454) > at > org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.registerDatanode(DatanodeManager.java:713) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.registerDatanode(FSNamesystem.java:3459) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.registerDatanode(NameNodeRpcServer.java:881) > at > org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.registerDatanode(DatanodeProtocolServerSideTranslatorPB.java:90) > at > org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:18295) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1014) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1735) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1731) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1441) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1729) > 2013-05-08 18:53:45,223 ERROR > org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager: The resolve > call returned null! Using /default-rack for host [127.0.0.1] > > > > On Wed, May 8, 2013 at 7:18 PM, Leonid Fedotov > <[email protected]>wrote: > >> You can put this parameter to core-site.xml or hdfs-site.xml >> It both parsed during the HDFS startup. >> >> Leonid >> >> >> On Wed, May 8, 2013 at 6:43 AM, Mohammad Mustaqeem < >> [email protected]> wrote: >> >>> Hello everyone, >>> I was searching for how to make the hadoop cluster rack-aware and I >>> find out from here >>> http://hadoop.apache.org/docs/r2.0.4-alpha/hadoop-project-dist/hadoop-common/ClusterSetup.html#Hadoop_Rack_Awareness >>> that >>> we can do this by giving property of "topology.script.file.name". But >>> here it is not written where to put this >>> <property> >>> <name>topology.script.file.name</name> >>> >>> <value>/home/mustaqeem/development/hadoop-2.0.3-alpha/etc/hadoop/rack.sh</value> >>> </property> >>> >>> Means in which configuration file. >>> I am using hadoop-2.0.3-alpha. >>> >>> >>> -- >>> *With regards ---* >>> *Mohammad Mustaqeem*, >>> M.Tech (CSE) >>> MNNIT Allahabad >>> 9026604270 >>> >>> >>> >> > > > -- > *With regards ---* > *Mohammad Mustaqeem*, > M.Tech (CSE) > MNNIT Allahabad > 9026604270 > > >
