where should I find this logs? I think the problem mainly on slaves,where should I find the logs?
2013/12/16 shashwat shriparv <[email protected]> > Had your upgrade finished successfully?? check if datanode is able to > connect to namenode, check datanode logs and please attach some log here if > you are getting any error in if data node is running. > > > > *Warm Regards_**∞_* > *Shashwat Shriparv* > Big-Data Engineer(HPC) > [image: > http://www.linkedin.com/pub/shashwat-shriparv/19/214/2a9]<http://www.linkedin.com/pub/shashwat-shriparv/19/214/2a9>[image: > https://twitter.com/shriparv] <https://twitter.com/shriparv>[image: > https://www.facebook.com/shriparv] <https://www.facebook.com/shriparv>[image: > http://google.com/+ShashwatShriparv] > <http://google.com/+ShashwatShriparv>[image: > http://www.youtube.com/user/sShriparv/videos]<http://www.youtube.com/user/sShriparv/videos>[image: > http://profile.yahoo.com/SWXSTW3DVSDTF2HHSRM47AV6DI/] <[email protected]> > > > > > On Mon, Dec 16, 2013 at 4:04 PM, Geelong Yao <[email protected]> wrote: > >> Now the datanode is not working >> [image: 内嵌图片 1] >> >> >> 2013/12/16 Geelong Yao <[email protected]> >> >>> it is the namenode's problem. >>> How can I fix this problem? >>> >>> >>> >>> 2013/12/16 Shekhar Sharma <[email protected]> >>> >>>> Seems like DataNode is not running or went dead >>>> Regards, >>>> Som Shekhar Sharma >>>> +91-8197243810 >>>> >>>> >>>> On Mon, Dec 16, 2013 at 1:40 PM, Geelong Yao <[email protected]> >>>> wrote: >>>> > Hi Everyone >>>> > >>>> > After I upgrade the hadoop to CDH 4.2.0 Hadoop 2.0.0,I try to running >>>> some >>>> > test >>>> > When I try to upload file to HDFS,error comes: >>>> > >>>> > >>>> > >>>> > node32:/software/hadoop-2.0.0-cdh4.2.0 # hadoop dfs -put >>>> > /public/data/carinput1G_BK carinput1G >>>> > DEPRECATED: Use of this script to execute hdfs command is deprecated. >>>> > Instead use the hdfs command for it. >>>> > >>>> > ls: Call From node32/11.11.11.32 to node32:9000 failed on connection >>>> > exception: java.net.ConnectException: Connection refused; For more >>>> details >>>> > see: http://wiki.apache.org/hadoop/ConnectionRefused >>>> > >>>> > >>>> > >>>> > Something wrong with my setting? >>>> > >>>> > BRs >>>> > Geelong >>>> > >>>> > >>>> > -- >>>> > From Good To Great >>>> >>> >>> >>> >>> -- >>> From Good To Great >>> >> >> >> >> -- >> From Good To Great >> > > -- >From Good To Great
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