Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
MapReduce >> mail # user >> Starting Datanode


Copy link to this message
-
Re: Starting Datanode
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 Lu�s Ort�z Valmaseda
  Software Engineer (Large-Scaled Distributed Systems)
  University of Information Sciences,
  La Habana, Cuba
  Linux User # 418229
  http://about.me/marcosortiz