is there any namespace mismatch? Try to delete the data in datanode directory
On Tue, Sep 9, 2014 at 10:41 PM, Sandeep Khurana <[email protected]> wrote: > check the log file at ...../hadoop/hadoop-datanide-latdevweb02.out (As per > ur last screen shot). There can be various reasons of datanode not > starting, the real issue will be logged into this file. > > On Tue, Sep 9, 2014 at 10:06 PM, YIMEN YIMGA Gael < > [email protected]> wrote: > >> Hi, >> >> >> >> When I run the following command to launch DATANODE as shown in the >> screenshot below, all is ok >> >> But when I run JPS command, I do not see the datanode process >> >> >> >> >> >> That’s where my worry is L L >> >> >> >> Standing by …. >> >> >> >> *From:* vivek [mailto:[email protected]] >> *Sent:* Tuesday 9 September 2014 17:27 >> >> *To:* [email protected] >> *Subject:* Re: Error and problem when running a hadoop job >> >> >> >> check whether datanode is started. >> >> >> >> >> >> On Tue, Sep 9, 2014 at 7:26 PM, YIMEN YIMGA Gael < >> [email protected]> wrote: >> >> Yes, all about ssh access, have been done. >> >> >> >> My cluster is a single node cluster. >> >> >> >> Standing by … >> >> >> >> *From:* Sandeep Khurana [mailto:[email protected]] >> *Sent:* Tuesday 9 September 2014 15:54 >> *To:* [email protected] >> *Subject:* Re: Error and problem when running a hadoop job >> >> >> >> I hope you did do passphrase less ssh access to localhost by generating >> keys etc? >> >> On Sep 9, 2014 7:18 PM, "YIMEN YIMGA Gael" <[email protected]> >> wrote: >> >> Hello Dear hadoopers, >> >> >> >> I hope you are doing well. >> >> >> >> I tried to run WordCount.jar file to experience running hadoop jobs. >> After launching the program as shown in the screenshot below, I have the >> message in the screenshot. >> >> The job tries to connect to the datanode. But failed after 10 attempts, I >> got the error in the second screenshot. >> >> After that, I first stop all the Hadoop deamons, second format the dfs, >> third re-launch Hadoop deamons, and I notice using the JPS command that >> DATANODE is not running. >> >> I then run the datanode alone with the command bin/hadoop –deamon.sh >> start datanode as shown in the third screenshot, but the datanode is still >> not up and running. >> >> >> >> Could someone advice in this case, please ? >> >> >> >> Standing by for your habitual support. >> >> >> >> Thank in advance. >> >> >> >> GYY >> >> >> >> >> >> >> >> >> >> >> >> ************************************************************************* >> This message and any attachments (the "message") are confidential, >> intended solely for the addressee(s), and may contain legally privileged >> information. >> Any unauthorised use or dissemination is prohibited. E-mails are >> susceptible to alteration. >> Neither SOCIETE GENERALE nor any of its subsidiaries or affiliates shall >> be liable for the message if altered, changed or >> falsified. >> Please visit http://swapdisclosure.sgcib.com for important information >> with respect to derivative products. >> ************ >> Ce message et toutes les pieces jointes (ci-apres le "message") sont >> confidentiels et susceptibles de contenir des informations couvertes >> par le secret professionnel. >> Ce message est etabli a l'intention exclusive de ses destinataires. Toute >> utilisation ou diffusion non autorisee est interdite. >> Tout message electronique est susceptible d'alteration. >> La SOCIETE GENERALE et ses filiales declinent toute responsabilite au >> titre de ce message s'il a ete altere, deforme ou falsifie. >> Veuillez consulter le site http://swapdisclosure.sgcib.com afin de >> recueillir d'importantes informations sur les produits derives. >> ************************************************************************* >> >> >> >> >> >> -- >> >> >> >> >> >> >> >> Thanks and Regards, >> >> VIVEK KOUL >> > > > > -- > Thanks and regards > Sandeep Khurana > -- Thanks and Regards, VIVEK KOUL
