Thanks Shaswat for helping me out. It worked, port 6500 was configured at /etc/hadoop file, while i was always changing the hadoop/conf/*xml files. It was environment variable setting issue. @steeve Thanks for your suggestion.
On Tue, May 29, 2012 at 1:18 PM, shashwat shriparv < dwivedishash...@gmail.com> wrote: > Hi, > > Make your host file like : > > > 127.0.0.1 localhost > 10.86.29.24 chn-29-24.mmt.mmt chn-29-24 > > > > if you have not specified 6500 any where den y its trying to connect to it > ?? > localhost/127.0.0.1:6500 > > *In core-site.xml please make some entries like :* > > > <configuration> > <property> > <name>fs.default.name</name> > <value>hdfs://localhost:9000</value> > </property> > <property> > <name>hadoop.tmp.dir</name> > <value>/home/shashwat/hdfs/tmp</value> > </property> > > <property> > <name>hadoop.proxyuser.oozie.hosts</name> > <value>*</value> > </property> > <property> > <name>hadoop.proxyuser.oozie.groups</name> > <value>*</value> > </property> > </configuration> > > > > *and in mapred-site.xml something like this :* > > <configuration> > <property> > <name>mapred.job.tracker</name> > <value>localhost:9001</value> > </property> > </configuration> > > *and in hdfs-site.xml something like this :* > > <configuration> > <property> > <name>dfs.name.dir</name> > <value>/home/<your user name here>/hdfs/name</value> > </property> > <property> > <name>dfs.data.dir</name> > <value>/home/<your user name here>/hdfs/data</value> > </property> > > <property> > <name>dfs.datanode.max.xcievers</name> > <value>4096</value> > </property> > <property> > <name>dfs.replication</name> > <value>1</value> > </property> > > </configuration> > > > > You have 10.86.29.24 chn-29-24.mmt.mmt chn-29-24 this in your > host file so i am supposing that 10.86.29.24 as the ip of your current > system right?? then instead of localhost you can gife chn-29-24.mmt.mmt > or chn-29-24, after making these changes delete your hdfs folder if > know where it is or just format the namenode and check if it working. > > > also do > > chown -R <your user name> <your hadoop folder name> > chmod -R 755 <your hadoop folder name> > > to change the rights of the folder. > > and before trying any thing else > > ping on localhost > ping on your ip > ping on your hostname > > if all above are working > > ssh to all above if it working then you can proceed > > On Tue, May 29, 2012 at 11:40 AM, kripal kashyav <kripalkash...@gmail.com > >wrote: > > > Hi Shashwat ! > > I am getting host name as chn-29-24. > > My host config is : > > 127.0.0.1 localhost.localdomain localhost > > ::1 localhost6.localdomain6 localhost6 > > 10.86.29.24 chn-29-24 chn-29-24.mmt.mmt > > I have already formatted namenode successfully. > > I am not sure where to change the port number, bcoz i have not configured > > 6500 any where. > > Thanks in advance for helping me out. > > > > > > On Thu, May 24, 2012 at 1:35 PM, shashwat shriparv < > > dwivedishash...@gmail.com> wrote: > > > > > Is there any line in your host file like > > > 127.0.1.1 localhost ???? if so coment it with # > > > > > > did you format your namenode??? if not format it. > > > > > > 192.168.2.118 yourhostname > > > > > > ^ ^ > > > | | > > > This will be ip this is a name > > > of your machine > > > > > > what is your hostname (you can get it using command "hostname" on > > terminal > > > ) > > > > > > follow these and format your name node and try to start. > > > > > > and also try to change the port no you are using give it something like > > > 9000 or some other which is not already used > > > > > > which you can veryfy by giving command "netstat -nl | grep 'Ip you want > > to > > > use'" if this gives some output means that port is acquired and try > > some > > > other port.. > > > > > > > > > Let me know if it solved your problem... > > > > > > Regards > > > > > > ∞ > > > Shashwat Shriparv > > > > > > > > > On Thu, May 24, 2012 at 12:42 PM, kripal kashyav < > > kripalkash...@gmail.com > > > >wrote: > > > > > > > Hi! > > > > I am trying to set up hadoop 1.0.2 for single node. > > > > After starting it, when i execute jps command i get the following : > > > > NameNode > > > > 13478 Jps > > > > 13187 SecondaryNameNode > > > > > > > > In log files i get the following errors for tasktracker : > > > > 12-05-24 12:39:21,268 ERROR > > > > org.apache.hadoop.security.UserGroupInformation: > > > PriviledgedActionException > > > > as:hduser cause:org.apache.hadoop.ipc.RemoteException: > > > java.io.IOException: > > > > Unknown protocol to name node: > > > > org.apache.hadoop.mapred.InterTrackerProtocol > > > > at > > > > > > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:149) > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > > at > > > > > > > > > > > > > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > > > > at > > > > > > > > > > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > > > at java.lang.reflect.Method.invoke(Method.java:597) > > > > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563) > > > > at > org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388) > > > > at > org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384) > > > > at java.security.AccessController.doPrivileged(Native Method) > > > > at javax.security.auth.Subject.doAs(Subject.java:396) > > > > at > > > > > > > > > > > > > > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1093) > > > > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382) > > > > > > > > 2012-05-24 12:39:21,268 ERROR org.apache.hadoop.mapred.TaskTracker: > Can > > > not > > > > start task tracker because org.apache.hadoop.ipc.RemoteException: > > > > java.io.IOException: Unknown protocol to name node: > > > > org.apache.hadoop.mapred.InterTrackerProtocol > > > > at > > > > > > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:149) > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > > at > > > > > > > > > > > > > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > > > > at > > > > > > > > > > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > > > at java.lang.reflect.Method.invoke(Method.java:597) > > > > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563) > > > > at > org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388) > > > > at > org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384) > > > > at java.security.AccessController.doPrivileged(Native Method) > > > > at javax.security.auth.Subject.doAs(Subject.java:396) > > > > at > > > > > > > > > > > > > > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1093) > > > > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382) > > > > > > > > at org.apache.hadoop.ipc.Client.call(Client.java:1066) > > > > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) > > > > at org.apache.hadoop.mapred.$Proxy5.getProtocolVersion(Unknown > > > > Source) > > > > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:396) > > > > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:370) > > > > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:429) > > > > at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:331) > > > > at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:296) > > > > at org.apache.hadoop.mapr > > > > > > > > And following error for jobtracker : > > > > FATAL org.apache.hadoop.mapred.JobTracker: java.net.BindException: > > > Problem > > > > binding to localhost/127.0.0.1:6500 : Address already in use > > > > at org.apache.hadoop.ipc.Server.bind(Server.java:227) > > > > at > org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:301) > > > > at org.apache.hadoop.ipc.Server.<init>(Server.java:1483) > > > > at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:545) > > > > at org.apache.hadoop.ipc.RPC.getServer(RPC.java:506) > > > > at > > > org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2306) > > > > at > > > org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2192) > > > > at > > > org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2186) > > > > at > > > > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:300) > > > > at > > > > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:291) > > > > at > > org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4978) > > > > Caused by: java.net.BindException: Address already in use > > > > at sun.nio.ch.Net.bind(Native Method) > > > > at > > > > > > sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:126) > > > > at > > > sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59) > > > > at org.apache.hadoop.ipc.Server.bind(Server.java:225) > > > > ... 10 more > > > > > > > > Please help i am very new to Hadoop. > > > > > > > > > > > > > > > > Thanks: > > > > kripal > > > > > > > > > > > > > > > > -- > > > > > > > > > ∞ > > > Shashwat Shriparv > > > > > > > > > -- > > > ∞ > Shashwat Shriparv >
