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From Todd Lipcon <t...@cloudera.com>
Subject Re: Ubuntu/Hadoop incompatibilities?
Date Mon, 17 Aug 2009 22:51:38 GMT
Hi,

When you get a chance, could you please send out the JIRA that had this
patch? Is it committed to branch-20? If not, it probably should be before
the 0.20.1 release.

-Todd

On Mon, Aug 17, 2009 at 3:48 PM, CubicDesign <cubicdesign@gmail.com> wrote:

> Solved.
> It was a bug in Hadoop 020. There is a PATCH file available to fix this bug
> in v0.20. The bug was definitively fixed in v0.21.
>
> Sorry, I cannot post the exact link (I don't have access to the link right
> now) but if anybody else has the same error, it should search the Apache web
> site. The patch file can be semi-automatically applied using the "patch"
> command.
>
> :)
>
>
> Dali Kilani wrote:
>
>> Can you double check that your data node doesn't have the same /etc/hosts
>> issue mentioned above in the thread? (i.e. machine name resolves to
>> 127.0.0.1)
>> Dali
>> On Mon, Aug 17, 2009 at 1:33 PM, CubicDesign <cubicdesign@gmail.com>
>> wrote:
>>
>>
>>
>>> Thank you all for your answers.
>>>
>>> My problem with Hadoop on Ubuntu is that I cannot make the DataNode
>>> server
>>> to work properly (at least this is where I think the error is). I get an
>>> "File jobtracker.info could only be replicated to 0 nodes instead of 1"
>>> error message. All other servers are running fine. I am running Hadoop in
>>> a
>>> single (test) machine.
>>>
>>>
>>> The results for jps and netstats are:
>>>
>>>
>>> jps
>>> 4465 NameNode
>>> 4553 DataNode
>>> 5105 Jps
>>> 4717 JobTracker
>>> 4649 SecondaryNameNode
>>> 4807 TaskTracker
>>>
>>>
>>>  sudo netstat -plten | grep java
>>> tcp        0      0 0.0.0.0:50722           0.0.0.0:*
>>> LISTEN
>>>     1000       13858       4553/java      tcp        0      0
>>> 0.0.0.0:50020           0.0.0.0:*               LISTEN      1000
>>> 15130       4553/java      tcp        0      0 127.0.0.1:54310
>>> 0.0.0.0:*               LISTEN      1000       13564       4465/java
>>>  tcp        0      0 127.0.0.1:54311         0.0.0.0:*
>>> LISTEN      1000       14571       4717/java      tcp        0      0
>>> 0.0.0.0:59080           0.0.0.0:*               LISTEN      1000
>>> 14547       4717/java      tcp        0      0 0.0.0.0:50090
>>> 0.0.0.0:*               LISTEN      1000       14943       4649/java
>>>  tcp        0      0 127.0.0.1:40555         0.0.0.0:*
>>> LISTEN      1000       15057       4807/java      tcp        0      0
>>> 0.0.0.0:50060           0.0.0.0:*               LISTEN      1000
>>> 15031       4807/java      tcp        0      0 0.0.0.0:47661
>>> 0.0.0.0:*               LISTEN      1000       14247       4649/java
>>>  tcp        0      0 0.0.0.0:50030           0.0.0.0:*
>>> LISTEN      1000       14941       4717/java      tcp        0      0
>>> 0.0.0.0:57839           0.0.0.0:*               LISTEN      1000
>>> 13514       4465/java      tcp        0      0 0.0.0.0:50070
>>> 0.0.0.0:*               LISTEN      1000       14533       4465/java
>>>  tcp        0      0 0.0.0.0:50010           0.0.0.0:*
>>> LISTEN      1000       14765       4553/java      tcp        0      0
>>> 0.0.0.0:50075           0.0.0.0:*               LISTEN      1000
>>> 14946       4553/java
>>>
>>>
>>>
>>
>>
>>
>>
>>
>

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