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From Viswanathan J <jayamviswanat...@gmail.com>
Subject Re: getting errors on datanode/tasktracker logs
Date Sat, 10 Aug 2013 11:32:01 GMT
Please go through the hadoop supported java versions,

http://wiki.apache.org/hadoop/HadoopJavaVersions
 On Aug 10, 2013 4:12 PM, "Jagat Singh" <jagatsingh@gmail.com> wrote:

> 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" <jeetuyadav200890@gmail.com>
> 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 <jagatsingh@gmail.com> 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" <jeetuyadav200890@gmail.com>
>> > 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
>> >>
>> >
>>
>

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