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From Marcos Ortiz <mlor...@uci.cu>
Subject Re: Starting Datanode
Date Fri, 20 May 2011 21:33:11 GMT
On 05/20/2011 04:08 PM, Anh Nguyen wrote:
> On 05/20/2011 02:06 PM, Marcos Ortiz wrote:
>> On 05/20/2011 04:27 PM, Marcos Ortiz wrote:
>>> On 05/20/2011 03:46 PM, Anh Nguyen wrote:
>>>> On 05/20/2011 01:15 PM, Marcos Ortiz wrote:
>>>>> On 05/20/2011 01:02 PM, Anh Nguyen wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I just upgraded to hadoop-0.20.203.0, and am having problem 
>>>>>> starting the
>>>>>> datanode:
>>>>>> # hadoop datanode
>>>>>> Unrecognized option: -jvm
>>>>>> Could not create the Java virtual machine.
>>>>>>
>>>>>> It looks like it has something to do with daemon.sh, particularly

>>>>>> the
>>>>>> setting of HADOOP_OPTS:
>>>>>>    if [[ $EUID -eq 0 ]]; then
>>>>>>      HADOOP_OPTS="$HADOOP_OPTS -jvm server $HADOOP_DATANODE_OPTS"
>>>>>>    else
>>>>>>      HADOOP_OPTS="$HADOOP_OPTS -server $HADOOP_DATANODE_OPTS"
>>>>>>    fi
>>>>>>
>>>>>> Am I missing something?
>>>>>>
>>>>>> Thanks in advance.
>>>>>>
>>>>>> Anh-
>>>>>>
>>>>> Which Java's version are you using?
>>>>>
>>>>>
>>>> # java -version
>>>> java version "1.6.0_20"
>>>> Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
>>>> Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
>>>>
>>>> It worked with hadoop-0.20.2.
>>>> Anh-
>>> How do you are starting the services? using bin/start-all.sh o 
>>> simply the datanode?
>>>
>>>
>> Anh, test first that this option (-jvm is included in that Java 
>> version).
>>
>>
> Tested earlier:
> # java -jvm
> Unrecognized option: -jvm
> Could not create the Java virtual machine.
>
Did you check the requirements for that release? I don´t know if this 
version require at least a mayor version to 1.6.20.
Did you test with the 1.6.24?

I think that can be a bug.
Take a time to review the last issues for Hadoop on the JIRA of the project.

Regards

-- 
Marcos Luís Ortíz Valmaseda
  Software Engineer (Large-Scaled Distributed Systems)
  University of Information Sciences,
  La Habana, Cuba
  Linux User # 418229
  http://about.me/marcosortiz


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