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From Ashish Umrani <ashish.umr...@gmail.com>
Subject Re: New hadoop 1.2 single node installation giving problems
Date Tue, 23 Jul 2013 17:11:30 GMT
Thanks,

But the issue was that there was no directory and hence it was not showing
anything.  Adding a directory cleared the warning.

I appreciate your help.

Regards
ashish


On Tue, Jul 23, 2013 at 10:08 AM, Mohammad Tariq <dontariq@gmail.com> wrote:

> Hello Ashish,
>
> Change the permissions of /app/hadoop/tmp to 755 and see if it helps.
>
> Warm Regards,
> Tariq
> cloudfront.blogspot.com
>
>
> On Tue, Jul 23, 2013 at 10:27 PM, Ashish Umrani <ashish.umrani@gmail.com>wrote:
>
>> Thanks Jitendra, Bejoy and Yexi,
>>
>> I got past that.  And now the ls command says it can not access the
>> directory.  I am sure this is a permissions issue.  I am just wondering
>> which directory and I missing permissions on.
>>
>> Any pointers?
>>
>> And once again, thanks a lot
>>
>> Regards
>> ashish
>>
>> *hduser@ashish-HP-Pavilion-dv6-Notebook-PC:/usr/local/hadoop/conf$
>> hadoop fs -ls*
>> *Warning: $HADOOP_HOME is deprecated.*
>> *
>> *
>> *ls: Cannot access .: No such file or directory.*
>>
>>
>>
>> On Tue, Jul 23, 2013 at 9:42 AM, Jitendra Yadav <
>> jeetuyadav200890@gmail.com> wrote:
>>
>>> Hi Ashish,
>>>
>>> Please check <property></property>  in hdfs-site.xml.
>>>
>>> It is missing.
>>>
>>> Thanks.
>>> On Tue, Jul 23, 2013 at 9:58 PM, Ashish Umrani <ashish.umrani@gmail.com>wrote:
>>>
>>>> Hey thanks for response.  I have changed 4 files during installation
>>>>
>>>> core-site.xml
>>>> mapred-site.xml
>>>> hdfs-site.xml   and
>>>> hadoop-env.sh
>>>>
>>>>
>>>> I could not find any issues except that all params in the hadoop-env.sh
>>>> are commented out.  Only java_home is un commented.
>>>>
>>>> If you have a quick minute can you please browse through these files in
>>>> email and let me know where could be the issue.
>>>>
>>>> Regards
>>>> ashish
>>>>
>>>>
>>>>
>>>> I am listing those files below.
>>>>  *core-site.xml *
>>>>  <?xml version="1.0"?>
>>>> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
>>>>
>>>> <!-- Put site-specific property overrides in this file. -->
>>>>
>>>> <configuration>
>>>>   <property>
>>>>     <name>hadoop.tmp.dir</name>
>>>>     <value>/app/hadoop/tmp</value>
>>>>     <description>A base for other temporary directories.</description>
>>>>   </property>
>>>>
>>>>   <property>
>>>>     <name>fs.default.name</name>
>>>>     <value>hdfs://localhost:54310</value>
>>>>     <description>The name of the default file system.  A URI whose
>>>>     scheme and authority determine the FileSystem implementation.  The
>>>>     uri's scheme determines the config property (fs.SCHEME.impl) naming
>>>>     the FileSystem implementation class.  The uri's authority is used to
>>>>     determine the host, port, etc. for a filesystem.</description>
>>>>   </property>
>>>> </configuration>
>>>>
>>>>
>>>>
>>>> *mapred-site.xml*
>>>>  <?xml version="1.0"?>
>>>> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
>>>>
>>>> <!-- Put site-specific property overrides in this file. -->
>>>>
>>>> <configuration>
>>>>   <property>
>>>>     <name>mapred.job.tracker</name>
>>>>     <value>localhost:54311</value>
>>>>     <description>The host and port that the MapReduce job tracker runs
>>>>     at.  If "local", then jobs are run in-process as a single map
>>>>     and reduce task.
>>>>     </description>
>>>>   </property>
>>>> </configuration>
>>>>
>>>>
>>>>
>>>> *hdfs-site.xml   and*
>>>>  <?xml version="1.0"?>
>>>> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
>>>>
>>>> <!-- Put site-specific property overrides in this file. -->
>>>>
>>>> <configuration>
>>>>   <name>dfs.replication</name>
>>>>   <value>1</value>
>>>>   <description>Default block replication.
>>>>     The actual number of replications can be specified when the file is
>>>> created.
>>>>     The default is used if replication is not specified in create time.
>>>>   </description>
>>>> </configuration>
>>>>
>>>>
>>>>
>>>> *hadoop-env.sh*
>>>>  # Set Hadoop-specific environment variables here.
>>>>
>>>> # The only required environment variable is JAVA_HOME.  All others are
>>>> # optional.  When running a distributed configuration it is best to
>>>> # set JAVA_HOME in this file, so that it is correctly defined on
>>>> # remote nodes.
>>>>
>>>> # The java implementation to use.  Required.
>>>> export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_25
>>>>
>>>> # Extra Java CLASSPATH elements.  Optional.
>>>> # export HADOOP_CLASSPATH=
>>>>
>>>>
>>>> All pther params in hadoop-env.sh are commented
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Jul 23, 2013 at 8:38 AM, Jitendra Yadav <
>>>> jeetuyadav200890@gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> You might have missed some configuration (XML tags ), Please check all
>>>>> the Conf files.
>>>>>
>>>>> Thanks
>>>>> On Tue, Jul 23, 2013 at 6:25 PM, Ashish Umrani <
>>>>> ashish.umrani@gmail.com> wrote:
>>>>>
>>>>>> Hi There,
>>>>>>
>>>>>> First of all, sorry if I am asking some stupid question.  Myself
>>>>>> being new to the Hadoop environment , am finding it a bit difficult
to
>>>>>> figure out why its failing
>>>>>>
>>>>>> I have installed hadoop 1.2, based on instructions given in the
>>>>>> folllowing link
>>>>>>
>>>>>> http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/
>>>>>>
>>>>>> All went well and I could do the start-all.sh and the jps command
>>>>>> does show all 5 process to be present.
>>>>>>
>>>>>> However when I try to do
>>>>>>
>>>>>> hadoop fs -ls
>>>>>>
>>>>>> I get the following error
>>>>>>
>>>>>>  hduser@ashish-HP-Pavilion-dv6-Notebook-PC:/usr/local/hadoop/conf$
>>>>>> hadoop fs -ls
>>>>>> Warning: $HADOOP_HOME is deprecated.
>>>>>>
>>>>>> 13/07/23 05:55:06 WARN conf.Configuration: bad conf file: element
not
>>>>>> <property>
>>>>>> 13/07/23 05:55:06 WARN conf.Configuration: bad conf file: element
not
>>>>>> <property>
>>>>>> 13/07/23 05:55:06 WARN conf.Configuration: bad conf file: element
not
>>>>>> <property>
>>>>>> 13/07/23 05:55:06 WARN conf.Configuration: bad conf file: element
not
>>>>>> <property>
>>>>>> 13/07/23 05:55:06 WARN conf.Configuration: bad conf file: element
not
>>>>>> <property>
>>>>>> 13/07/23 05:55:06 WARN conf.Configuration: bad conf file: element
not
>>>>>> <property>
>>>>>> ls: Cannot access .: No such file or directory.
>>>>>> hduser@ashish-HP-Pavilion-dv6-Notebook-PC:/usr/local/hadoop/conf$
>>>>>>
>>>>>>
>>>>>>
>>>>>> Can someone help me figure out whats the issue in my installation
>>>>>>
>>>>>>
>>>>>> Regards
>>>>>> ashish
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>

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