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HDFS >> mail # user >> no namenode


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Martinus Martinus 2012-01-13, 10:35
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Harsh J 2012-01-13, 12:22
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Martinus Martinus 2012-01-16, 02:52
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Mohamed Elsayed 2012-01-17, 11:29
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Martinus Martinus 2012-01-18, 02:28
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Mohamed Elsayed 2012-01-18, 07:53
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Martinus Martinus 2012-01-18, 08:25
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Mohamed Elsayed 2012-01-18, 08:52
Hi Mohamed,

Thanks for your explanation. I still have the same problem as before. do
you have any other suggestion?

Thanks.

On Wed, Jan 18, 2012 at 4:52 PM, Mohamed Elsayed <
[EMAIL PROTECTED]> wrote:

>  The core is locating bin/java. If you execute ls -l
> /usr/lib/jvm/java-6-sun/bin, you will notice bin/java is a symbolic link to
> jre/bin/java. So both of them are the same. Don't worry about that.
>
> Mohamed Elsayed
> Bibliotheca Alexandrina
>
>
> On 01/18/2012 10:25 AM, Martinus Martinus wrote:
>
> Hi Mohamed,
>
> Thanks for your answer. I have setup it before into something like this :
>
> JAVA_HOME=/usr/lib/jvm/java-6-sun
>
> I don't know if that's should be the same or will it gave a different
> result. I'll try it first.
>
> Thanks.
>
> On Wed, Jan 18, 2012 at 3:53 PM, Mohamed Elsayed <
> [EMAIL PROTECTED]> wrote:
>
>>  Hi Martinus,
>>
>> As I remember, I started again from scratch and erased everything related
>> to hadoop in my machine. In my first run, there was an error message
>> (related to java) displayed after executing bin/hadoop namenode -format.
>> This message didn't appear in my second run. So I believe your problem is
>> in this point. Keep you eyes on what is happening after executing this
>> command. FYI, you must set JAVA_HOME in conf/hadoop-env.sh by doing the
>> following:
>>
>> file `which java`
>> file /etc/alternatives/java
>> JAVA_HOME=/usr/lib/jvm/java-6-openjdk/jre
>>
>> If you still can't run the example, try to set HADOOP_CLASSPATH in
>> conf/hadoop-env.sh to the example's path e.g.
>> HADOOP_CLASSPATH=../hadoop-0.20.203.0/hadoop-examples-0.20.203.0.jar. But
>> this variable is not necessary to fill.
>>
>> If there is any error messages appeared after executing any command, try
>> to fix or write them here. I will try to help If I can.
>>
>> Mohamed Elsayed
>> Bibliotheca Alexandrina
>>
>>
>> On 01/18/2012 04:28 AM, Martinus Martinus wrote:
>>
>> Hi Mohamed,
>>
>> Did you found out how to handle this thing? Because when I run the
>> hadoop-0.20.2-example.jar wordcount input output it just run, but it didn't
>> gave any log message and it won't stop running.
>>
>> Thanks.
>>
>> On Tue, Jan 17, 2012 at 7:29 PM, Mohamed Elsayed <
>> [EMAIL PROTECTED]> wrote:
>>
>>>  Your case happened to me in the past. In first try to start again from
>>> scratch and be sure that everything is going well (working well e.g.
>>> namenode is working and there is no java error) specifically after
>>> executing bin/hadoop namenode -format. If you faced any hassles, don't
>>> hesitate to state them here.
>>>
>>> Mohamed Elsayed
>>> Bibliotheca Alexandrina
>>>
>>>
>>> On 01/16/2012 04:52 AM, Martinus Martinus wrote:
>>>
>>> Hi Harsh,
>>>
>>> I just reinstalled my master node again and it's worked right now. But
>>> when I tried to run the example using command bin/hadoop jar
>>> hadoop-0.20.2-examples.jar wordcount input output, it just waiting and
>>> didn't gave me anything and didn't stop either.
>>>
>>> Thanks.
>>>
>>> On Fri, Jan 13, 2012 at 8:22 PM, Harsh J <[EMAIL PROTECTED]> wrote:
>>>
>>>> What does the NameNode log in $HADOOP_HOME/logs/hadoop-*namenode*.log
>>>> carry?
>>>>
>>>> On 13-Jan-2012, at 4:05 PM, Martinus Martinus wrote:
>>>>
>>>> > Hi,
>>>> >
>>>> > I start-all.sh my hadoop master node, but I can't find any namenode
>>>> on it. Would anyone be so kindly to tell me how to fix this problem?
>>>> >
>>>> > Thanks.
>>>>
>>>>
>>>
>>
>
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Mohamed Elsayed 2012-01-18, 11:02
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Martinus Martinus 2012-01-18, 11:16
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Mohamed Elsayed 2012-01-18, 12:30
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Martinus Martinus 2012-01-19, 02:06
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Michael Lok 2012-01-19, 02:17
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Martinus Martinus 2012-01-19, 06:55
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Martinus Martinus 2012-01-19, 06:55
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Martinus Martinus 2012-01-30, 09:55
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Mohamed Elsayed 2012-02-01, 11:30