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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
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Martinus Martinus 2012-01-18, 09:14
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Mohamed Elsayed 2012-01-18, 11:02
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Re: no namenode
Martinus Martinus 2012-01-18, 11:16
Hi Mohamed,

Please find attached the namenode log.

Thanks.

On Wed, Jan 18, 2012 at 7:02 PM, Mohamed Elsayed <
[EMAIL PROTECTED]> wrote:

>  Hi Martinus,
>
> Do you think you could attach namenode's log file to find out where is the
> problem? Thank you.
>
> Mohamed Elsayed
> Bibliotheca Alexandrina
>
>
> On 01/18/2012 11:14 AM, Martinus Martinus wrote:
>
> 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, 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