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Date: Fri, 20 May 2011 15:57:05 -0700
From: Anh Nguyen <anguyen@redhat.com>
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To: hdfs-user@hadoop.apache.org
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Subject: Re: Starting Datanode
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On 05/20/2011 02:33 PM, Marcos Ortiz wrote:
> 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?
Frankly, I have seen/used -jvm. What is it?
Anh-
>
> I think that can be a bug.
> Take a time to review the last issues for Hadoop on the JIRA of the 
> project.
>
> Regards
>