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Posted to common-dev@hadoop.apache.org by "Arkady Borkovsky (JIRA)" <ji...@apache.org> on 2008/04/01 23:12:24 UTC
[jira] Created: (HADOOP-3151) Hod should have better error
messages.
Hod should have better error messages.
--------------------------------------
Key: HADOOP-3151
URL: https://issues.apache.org/jira/browse/HADOOP-3151
Project: Hadoop Core
Issue Type: Bug
Components: contrib/hod
Reporter: Arkady Borkovsky
(1)
gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
error: bin/hod failed to start.
error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
error: 1 problem found.
Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
* Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
* checking the configuration file will not help, the advice is confusing
* checking the command line options is the obvious thing to do -- the advise is unnecessary.
(2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Commented: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hemanth Yamijala (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12601105#action_12601105 ]
Hemanth Yamijala commented on HADOOP-3151:
------------------------------------------
+1. Patch looks good.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Commented: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hemanth Yamijala (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584405#action_12584405 ]
Hemanth Yamijala commented on HADOOP-3151:
------------------------------------------
bq. (2) when hod does not understand the command, it prints the whole help options message - which clobbers the screen and is confusing. It should give a meaningful message - and may say "type hod help for more info"
Just usage, and the suggested hod help message. Remove description. I think that would address this issue. Would it ?
For (1), it will require more work than just changing the message, though it appears just that at face value. Hod configuration options can come from either the command line or configuration file, the former overriding the latter. And though the user knows which he has specified (whether on command line or in the configuration file), unfortunately, the code doesn't know it that easily, and gives a generic message.
Should we just remove all the lines above and give the option that had a problem, assuming the user would know ?
+1 on saying 'Directory not found'. That's what Unix says.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hemanth Yamijala (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hemanth Yamijala updated HADOOP-3151:
-------------------------------------
Assignee: Vinod Kumar Vavilapalli
Affects Version/s: 0.16.3
Status: Patch Available (was: Open)
Resubmitting to see if Hudson picks it up now.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Affects Versions: 0.16.3
> Reporter: Arkady Borkovsky
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated HADOOP-3151:
--------------------------------------------
Status: Patch Available (was: Open)
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated HADOOP-3151:
--------------------------------------------
Attachment: HADOOP-3151
Attaching patch.
bq. Just usage, and the suggested hod help message. Remove description.
Addressed.
{quote}
# checking the configuration file will not help, the advice is confusing
# checking the command line options is the obvious thing to do - the advise is unnecessary.
Should we just remove all the lines above and give the option that had a problem, assuming the user would know ?
{quote}
With hod trunk version, I don't see this suggestion thrown when specifying an invalid nodecount/clusterdir/script. But it is given while validation of any other configuration parameter fails, and I think it is useful. Will knock that off too if it is felt otherwise.
bq. +1 on saying 'Directory not found'. That's what Unix says.
Improved msgs w.r.t this kind of errors. Now one of the following error messages is shown depending on the situation.
- Invalid cluster directory (--hod.clusterdir or -d) : <path to a non-existent dir> : No such directory
- Invalid cluster directory (--hod.clusterdir or -d) : <path to a file> : Not a directory
- (This is for info/deallocate) Invalid hod.clusterdir(--hod.clusterdir or -d). <path to an unallocated dir> : Not tied to any allocated cluster.
- Invalid nodecount (--hod.nodecount or -n) : Must be >= 3. Given nodes: 1
- Invalid script file (--hod.script or -s) : <path to a non-existent file> : No such file
- Invalid script file (--hod.script or -s) : <path to a dir> : Not a file.
- Invalid script file (--hod.script or -s) : <path to a non-executable file> : Not an executable.
Fixing the above also included fix for HADOOP-3277.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Devaraj Das (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj Das updated HADOOP-3151:
--------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this. Thanks, Vinod!
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Affects Versions: 0.16.3
> Reporter: Arkady Borkovsky
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Commented: (HADOOP-3151) Hod should have better error
messages.
Posted by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12601012#action_12601012 ]
Vinod Kumar Vavilapalli commented on HADOOP-3151:
-------------------------------------------------
Also created HADOOP-3464 to address other issues as part of a larger error messages improvement process.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Commented: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12601532#action_12601532 ]
Hadoop QA commented on HADOOP-3151:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12383075/HADOOP-3151
against trunk revision 661918.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified tests.
Please justify why no tests are needed for this patch.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2532/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2532/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2532/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2532/console
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> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Affects Versions: 0.16.3
> Reporter: Arkady Borkovsky
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hemanth Yamijala (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hemanth Yamijala updated HADOOP-3151:
-------------------------------------
Status: Open (was: Patch Available)
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hemanth Yamijala (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hemanth Yamijala updated HADOOP-3151:
-------------------------------------
Fix Version/s: 0.18.0
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Reporter: Arkady Borkovsky
> Fix For: 0.18.0
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Commented: (HADOOP-3151) Hod should have better error
messages.
Posted by "Karam Singh (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12605214#action_12605214 ]
Karam Singh commented on HADOOP-3151:
-------------------------------------
Check and found that now hod throws mesages similar as mention by vinod, but its better if avoid using word invalied e.g -
error message for script file which not executable can be modifed
Invalid script file (--hod.script or -s) : <path to a non-executable file> : Not an executable. - for script file which not executable
to
Script <path to non executabe file> is not an executable.
Similarly we can change Invalid script file (--hod.script or -s) : <path to a dir> : Not a file. to "Script <path to dir> is not a file. etc.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Affects Versions: 0.16.3
> Reporter: Arkady Borkovsky
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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[jira] Updated: (HADOOP-3151) Hod should have better error
messages.
Posted by "Hemanth Yamijala (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hemanth Yamijala updated HADOOP-3151:
-------------------------------------
Hadoop Flags: [Reviewed]
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Affects Versions: 0.16.3
> Reporter: Arkady Borkovsky
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help options message -- which clobbers the screen and is confusing. It should give a meaningful message -- and may say "type hod help for more info"
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