Re: Namenode not starting up

Hi, you can check log's files to know more details on error and may be you should to re-format it and check if there are any process working on the port that should namenode work on it. hope this help you:) Best regards khaled Quoting Denim Live : No, I didn't. I had just simply shut it

adding new node to hadoop cluster

Hi, I want to add a new data node to my hadoop cluster, but the problem when add it in configuration files, i have ti restart deamons of hadoop to know that is a new data node added to cluster. please can any one know how to add new nodes without needing to restart hadoop. thanks in adv

RE: processing xml files

hi have you any example to process xml files with map function? thanks a lot Quoting Ankit Bhatnagar : You can use any parsing - push or pull. -Original Message- From: Khaled BEN BAHRI [mailto:khaled.ben_ba...@it-sudparis.eu] Sent: Wednesday, July 21, 2010 10:22 AM To: common

processing xml files

hello to all can we process xml files with mapreduce using jdom?? please, if possible, can any one help me to know how thanks in advance regards

acces to hdfs by ui browser

hi to all i configure hadoop and all deamons are running, when i want to access by internet browser to hdfs it fails. thanks for your help. best regards khaled

Inputs of Mapreduce

Hello to all I'm novice in working with mapreduce and i'm developping a mapreduce function that take xml documents as inputs. How can i make input files and precise it to the map function Thanks for help Best regards Khaled

RE: Starting namenode

the error message ? Thanks, Sagar -Original Message----- From: Khaled BEN BAHRI [mailto:khaled.ben_ba...@it-sudparis.eu] Sent: Wednesday, June 02, 2010 8:37 PM To: common-user@hadoop.apache.org Subject: RE: Starting namenode Hi The problem still persist the namenode don't start and gives

RE: Starting namenode

riginal Message----- From: Khaled BEN BAHRI [mailto:khaled.ben_ba...@it-sudparis.eu] Sent: Wednesday, June 02, 2010 6:52 PM To: common-user@hadoop.apache.org Subject: RE: Starting namenode Hi, When i started the namenode that gives these errors in logs file : when i want to enter in the safe mode it also

RE: Starting namenode

gging, you can post it here and we can help you debug. Thanks, Sagar -Original Message- From: Khaled BEN BAHRI [mailto:khaled.ben_ba...@it-sudparis.eu] Sent: Wednesday, June 02, 2010 5:49 PM To: common-user@hadoop.apache.org Subject: Starting namenode Hi, When i started hadoop daemons

Starting namenode

Hi, When i started hadoop daemons with start-dfs.sh the namenode fail to run only the secondarynamenode and the datanode run what is the problem here and how can i run the namenode?? thanks a lot for any help :) khaled

error in communication with hdfs

Hi :) I installed hadoop and i tried to store data in hdfs but any command i want to execute like fs -mkdir or dfsadmin -report or any other one tryed to connect to server 10 times but it failed and gives this error [khale...@node004 bin]$ ./hadoop dfsadmin -report 10/06/02 13:15:45 INFO i

Re: configuring hadoop

org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87) Quoting Khaled BEN BAHRI : Hi The same error happens with the the new command. Bad connection to FS. command aborted. Thanks for your help : Khaled Quoting Pierre ANCELOT : Maybe you want this? bin/hadoop fs -copyFromLocal /home/khaled-b

Re: configuring hadoop

:42 AM, Khaled BEN BAHRI < khaled.ben_ba...@it-sudparis.eu> wrote: Thank you for your help :) i will try to get acces for 6 node, but at this time i must store some data in hdfs when i try to copy a file by this command, operation failed bin/hadoop fs -put /home/khaled-b/myfile.tar.gz /kh

configuring hadoop

Hi, I'm a novice at hadoop, and I want to install it on 3 nodes, I try to configure it by editing core-site.xml, hdfs-site.xml and mapred-site.xml that the first node is the namenode, the second is the jobtracker, abd the third is both the datanode and the tasktracker. My question how can