FAQ
Specify which JAVA_HOME should be set
-------------------------------------

Key: HADOOP-2993
URL: https://issues.apache.org/jira/browse/HADOOP-2993
Project: Hadoop Core
Issue Type: Improvement
Components: documentation
Affects Versions: site
Environment: irrelevant---issue w/ web documentation
Reporter: Jason Rennie


Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.


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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 7:03 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Edward J. Yoon reassigned HADOOP-2993:
    --------------------------------------

    Assignee: Edward J. Yoon
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 7:03 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587866#action_12587866 ]

    Edward J. Yoon commented on HADOOP-2993:
    ----------------------------------------

    That means the setting of the environment variable JAVA_HOME to the root of your Java installation under your OS.
    I don't think it must be fix, but i think we need to explain sth clearly to save confusion. +1
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 7:06 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587867#action_12587867 ]

    Edward J. Yoon commented on HADOOP-2993:
    ----------------------------------------

    It should probably be explained
    "Set the environment variable JAVA_HOME to the directory where you installed Java."
    rather than
    "Set JAVA_HOME to the root of your Java installation."
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 7:10 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Edward J. Yoon updated HADOOP-2993:
    -----------------------------------

    Attachment: 2993.patch

    Uploading patch.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 7:11 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Edward J. Yoon updated HADOOP-2993:
    -----------------------------------

    Hadoop Flags: [Reviewed]
    Status: Patch Available (was: Open)

    Submitting.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Hadoop QA (JIRA) at Apr 11, 2008 at 8:40 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587883#action_12587883 ]

    Hadoop QA commented on HADOOP-2993:
    -----------------------------------

    -1 overall. Here are the results of testing the latest attachment
    http://issues.apache.org/jira/secure/attachment/12379904/2993.patch
    against trunk revision 645773.

    @author +1. The patch does not contain any @author tags.

    tests included -1. The patch doesn't appear to include any new or modified tests.
    Please justify why no tests are needed for this patch.

    javadoc +1. The javadoc tool did not generate any warning messages.

    javac +1. The applied patch does not generate any new javac compiler warnings.

    release audit +1. The applied patch does not generate any new release audit warnings.

    findbugs +1. The patch does not introduce any new Findbugs warnings.

    core tests +1. The patch passed core unit tests.

    contrib tests +1. The patch passed contrib unit tests.

    Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2205/testReport/
    Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2205/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
    Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2205/artifact/trunk/build/test/checkstyle-errors.html
    Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2205/console

    This message is automatically generated.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Jason Rennie (JIRA) at Apr 11, 2008 at 2:13 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587980#action_12587980 ]

    Jason Rennie commented on HADOOP-2993:
    --------------------------------------

    Hi Edward,

    This change doesn't address the issue I raised---where the variable is to be
    changed. A better sentence would be:

    Set JAVA_HOME in conf/hadoop-env.sh to the root of your Java installation.

    Cheers,

    Jason

    On Fri, Apr 11, 2008 at 3:04 AM, Edward J. Yoon (JIRA) <jira@apache.org>



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    Jason Rennie
    Head of Machine Learning Technologies, StyleFeeder
    http://www.stylefeeder.com/
    Samantha's blog & pictures: http://samanthalyrarennie.blogspot.com/

    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon at Apr 11, 2008 at 3:03 pm
    Let's see the document.

    -- Required?

    1. java install & set the environment variable JAVA_HOME in your OS.
    2. ssh install in your OS.

    -- Are you ready?

    3. download the hadoop.
    4. edit the conf/hadoop-env.sh, set JAVA_HOME in conf/hadoop-env.sh.
    5. edit the configuration files.

    -- Execution?

    6. hadoop FS format & start.

    BTW, Jason, Why you recommend the set JAVA_HOME in hadoop-env.sh at first level?

    Thanks.
    On Fri, Apr 11, 2008 at 11:10 PM, Jason Rennie (JIRA) wrote:

    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587980#action_12587980 ]

    Jason Rennie commented on HADOOP-2993:
    --------------------------------------

    Hi Edward,

    This change doesn't address the issue I raised---where the variable is to be
    changed. A better sentence would be:

    Set JAVA_HOME in conf/hadoop-env.sh to the root of your Java installation.

    Cheers,

    Jason

    On Fri, Apr 11, 2008 at 3:04 AM, Edward J. Yoon (JIRA) <jira@apache.org>



    --
    Jason Rennie
    Head of Machine Learning Technologies, StyleFeeder
    http://www.stylefeeder.com/
    Samantha's blog & pictures: http://samanthalyrarennie.blogspot.com/


    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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    --
    B. Regards,
    Edward J. Yoon
  • Arun C Murthy (JIRA) at Apr 11, 2008 at 3:07 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587990#action_12587990 ]

    Arun C Murthy commented on HADOOP-2993:
    ---------------------------------------

    Jason, I understand where you are coming from.

    Would it be more clear if we just had:
    {noformat}
    Required Software

    1. JavaTM 1.5.x, preferably from Sun, must be installed.
    {noformat}

    and then this section (later in quickstart.html) is sufficient:
    {noformat}
    Download

    First, you need to get a Hadoop distribution: download a recent stable release and unpack it.

    Once done, in the distribution edit the file conf/hadoop-env.sh to define at least JAVA_HOME.
    {noformat}

    Basically I'm proposing we remove the confusing reference from the 'Required Software' section.

    Thoughts?

    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 3:14 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587992#action_12587992 ]

    Edward J. Yoon commented on HADOOP-2993:
    ----------------------------------------
    Basically I'm proposing we remove the confusing reference from the 'Required Software' section.
    -1. I think 'Required Software' is a must.




    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Jason Rennie (JIRA) at Apr 11, 2008 at 3:17 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587993#action_12587993 ]

    Jason Rennie commented on HADOOP-2993:
    --------------------------------------

    That works---should reduce confusion :)

    Cheers,

    Jason

    On Fri, Apr 11, 2008 at 11:04 AM, Arun C Murthy (JIRA) <jira@apache.org>



    --
    Jason Rennie
    Head of Machine Learning Technologies, StyleFeeder
    http://www.stylefeeder.com/
    Samantha's blog & pictures: http://samanthalyrarennie.blogspot.com/

    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 3:18 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587992#action_12587992 ]

    udanax edited comment on HADOOP-2993 at 4/11/08 8:14 AM:
    -----------------------------------------------------------------
    Basically I'm proposing we remove the confusing reference from the 'Required Software' section.
    -1. I think 'Required Software' is a must.-

    Sorry, I was mis-read your comment.

    was (Author: udanax):
    Basically I'm proposing we remove the confusing reference from the 'Required Software' section.
    -1. I think 'Required Software' is a must.




    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 3:31 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587999#action_12587999 ]

    Arun C Murthy commented on HADOOP-2993:
    ---------------------------------------

    Maybe we should also split the 'Download' section into 'Download' and 'Prepare to Start your Hadoop Cluster' sections, the latter of which will talk about editing conf/hadoop-env.sh and introduce the various mdoes (local, psuedo-distributed & fully-distributed) of operation...

    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon (JIRA) at Apr 11, 2008 at 3:46 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588005#action_12588005 ]

    Edward J. Yoon commented on HADOOP-2993:
    ----------------------------------------

    I was often met with exceptions by GNU java. So, I think 'remove' is not good idea from the "Installing Java and Set JAVA_HOME"; User need to set the JAVA_HOME environment variable to the root location of the Java installation directory.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 9:41 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Arun C Murthy reassigned HADOOP-2993:
    -------------------------------------

    Assignee: Arun C Murthy (was: Edward J. Yoon)
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 9:41 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Arun C Murthy updated HADOOP-2993:
    ----------------------------------

    Status: Open (was: Patch Available)
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Edward J. Yoon
    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 9:41 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Arun C Murthy updated HADOOP-2993:
    ----------------------------------

    Attachment: HADOOP-2993_1_20080411.patch

    Updated patch... as discussed.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 9:43 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Arun C Murthy updated HADOOP-2993:
    ----------------------------------

    Fix Version/s: 0.17.0

    Assigning this documentation fix to 0.17.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 9:47 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Arun C Murthy updated HADOOP-2993:
    ----------------------------------

    Status: Patch Available (was: Open)
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Arun C Murthy (JIRA) at Apr 11, 2008 at 11:52 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588172#action_12588172 ]

    Arun C Murthy commented on HADOOP-2993:
    ---------------------------------------

    Edward, I have clarified in the 'Prepare' section that users need to set JAVA_HOME in conf/hadoop-env.sh - does that suffice?
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Edward J. Yoon at Apr 12, 2008 at 12:46 am
    I think the reference of the 'JAVA_HOME environment variable' in the
    'Required Software' section should be required -- I think that should
    suffice. It seems excessive :)

    Thanks,
    Edward.
    On Sat, Apr 12, 2008 at 8:49 AM, Arun C Murthy (JIRA) wrote:

    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588172#action_12588172 ]

    Arun C Murthy commented on HADOOP-2993:
    ---------------------------------------

    Edward, I have clarified in the 'Prepare' section that users need to set JAVA_HOME in conf/hadoop-env.sh - does that suffice?
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch
    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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    --
    B. Regards,
    Edward J. Yoon
  • Hadoop QA (JIRA) at Apr 12, 2008 at 12:06 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588177#action_12588177 ]

    Hadoop QA commented on HADOOP-2993:
    -----------------------------------

    -1 overall. Here are the results of testing the latest attachment
    http://issues.apache.org/jira/secure/attachment/12379964/HADOOP-2993_1_20080411.patch
    against trunk revision 645773.

    @author +1. The patch does not contain any @author tags.

    tests included -1. The patch doesn't appear to include any new or modified tests.
    Please justify why no tests are needed for this patch.

    javadoc +1. The javadoc tool did not generate any warning messages.

    javac +1. The applied patch does not generate any new javac compiler warnings.

    release audit +1. The applied patch does not generate any new release audit warnings.

    findbugs +1. The patch does not introduce any new Findbugs warnings.

    core tests +1. The patch passed core unit tests.

    contrib tests +1. The patch passed contrib unit tests.

    Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2214/testReport/
    Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2214/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
    Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2214/artifact/trunk/build/test/checkstyle-errors.html
    Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2214/console

    This message is automatically generated.
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Nigel Daley (JIRA) at Apr 13, 2008 at 5:12 am
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Nigel Daley updated HADOOP-2993:
    --------------------------------

    Resolution: Fixed
    Status: Resolved (was: Patch Available)

    I just committed this. Thanks Arun!
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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  • Hudson (JIRA) at Apr 13, 2008 at 12:18 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588385#action_12588385 ]

    Hudson commented on HADOOP-2993:
    --------------------------------

    Integrated in Hadoop-trunk #459 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/459/])
    Specify which JAVA_HOME should be set
    -------------------------------------

    Key: HADOOP-2993
    URL: https://issues.apache.org/jira/browse/HADOOP-2993
    Project: Hadoop Core
    Issue Type: Improvement
    Components: documentation
    Affects Versions: site
    Environment: irrelevant---issue w/ web documentation
    Reporter: Jason Rennie
    Assignee: Arun C Murthy
    Fix For: 0.17.0

    Attachments: 2993.patch, HADOOP-2993_1_20080411.patch

    Original Estimate: 0.08h
    Remaining Estimate: 0.08h

    Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies that user should set JAVA_HOME under "1." of "Required Software". But, it does not specify where this should be set. My instinct (as would be the instinct of any un*x user) was to set this in his/her shell/profie/rcfile. Please specify that this should be specified in conf/hadoop-env.sh. Yes, this is clarified later under "Download", but is easy to miss, especially since the user will think that he/she had already set JAVA_HOME.
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