Re: web-tracker question

2012-07-22 Thread Keith Wiley
I don't like to clutter up with list with simple "thanks" responses...so, thanks. Cheers! Keith Wiley kwi...@keithwiley.com keithwiley.commusic.keithwiley.com "I used to be with it, but then they change

Regarding DataJoin contrib jar for 1.0.3

2012-07-22 Thread Abhinav M Kulkarni
Hi, I was planning to use DataJoin jar (located in $HADOOP_INSTALL/contrib/datajoin) for reduce-side join (version 1.0.3). It looks like DataJoinMapperBase implements Mapper interface (according to old API) and not extends it (according to new API). This is a problem because I cannot write M

Re: Error:Hdfs Client for hadoop using native java api

2012-07-22 Thread Sandeep Reddy P
Thank you every one for the help. Issue is fixed. On Sun, Jul 22, 2012 at 4:31 PM, shashwat shriparv < dwivedishash...@gmail.com> wrote: > there may be a problem with hostname resolution check if it is forward and > backword resolvable...and if you have any ip address anywhere please > replace it

Re: Error:Hdfs Client for hadoop using native java api

2012-07-22 Thread shashwat shriparv
there may be a problem with hostname resolution check if it is forward and backword resolvable...and if you have any ip address anywhere please replace it with hostname and the try.. On Sun, Jul 22, 2012 at 9:56 PM, Minh Duc Nguyen wrote: > As Shaswat mentioned previously, you're problem may be

Re: hadoop fs -tail

2012-07-22 Thread Minh Duc Nguyen
Sukhendu, I'm not sure how bad performance-wise this would be (depending on the size of the file you're reading), but you could try something like this: hadoop fs -text | tail -n HTH, Minh On Mon, Jul 16, 2012 at 7:49 PM, Sukhendu Chakraborty < sukhendu.chakrabo...@gmail.com> wrote: > Hi, > >

Re: Error:Hdfs Client for hadoop using native java api

2012-07-22 Thread Minh Duc Nguyen
As Shaswat mentioned previously, you're problem may be related to your configuration. Is core-site.xml on your classpath? For example, what is the value for conf.get("fs.default.name")? Alternatively, you can set this property directly in your code: conf.set("fs.default.name", "hdfs://hadoop1.d

Re: InvalidProtocolBufferException Exception

2012-07-22 Thread Akhtar Muhammad Din
> > Hi, > I recently upgraded from cloudera's cdh3 to cdh4 (Hadoop 0.23) version, > im trying to check if file exists on hdfs or not using the following code > (code was working fine in cdh3): > > Path path = new Path(p); > if (!fileSystem.exists(path)) { > fileSyste