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MapReduce >> mail # user >> getting errors on datanode/tasktracker logs


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Re: getting errors on datanode/tasktracker logs
Moslty it would be with java if things are working good in your prod with
1.6 , i suggest you to try with 1.6 once how it go.
On 10/08/2013 6:25 PM, "Jitendra Yadav" <[EMAIL PROTECTED]> wrote:

> hi Jagat,
>
> we have hdfs cluster in production running on java 1.6 without any
> issue but on different Hadoop version.
>
> I'm bit confused about this issue in our test env. Is this an issue
> with java 1.7 version or Hadoop 1.1.2 version release?
>
> Regards
>
> On 8/10/13, Jagat Singh <[EMAIL PROTECTED]> wrote:
> > Can you try with 1.6 java also.
> >
> > With just starting daemons you are getting this error ?
> >
> > I suppose this is your test cluster.
> >
> > You seems to be having error similar to below link
> > https://forums.oracle.com/message/10371413
> >  On 10/08/2013 4:48 AM, "Jitendra Yadav" <[EMAIL PROTECTED]>
> > wrote:
> >
> >> Hi,
> >>
> >> I'm getting below errors in log file while starting datanode and
> >> tasktracker. I'm using Hadoop 1.1.2 and java 1.7.0_21.
> >>
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >>
> >> Please guide.
> >>
> >> Thanks
> >>
> >
>