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From "Adam Kocoloski (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-814) Improve error logging
Date Wed, 29 May 2013 14:57:20 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Adam Kocoloski updated COUCHDB-814:
-----------------------------------

    Component/s: Logging
    
> Improve error logging
> ---------------------
>
>                 Key: COUCHDB-814
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-814
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: Logging, View Server Support
>    Affects Versions: 0.10
>         Environment: Ubuntu Lucid Lynx
>            Reporter: Julian Moritz
>            Priority: Minor
>
> When defining the path to a view server and using a non-existing target, the error message
in my case was
> [Sun, 04 Jul 2010 08:48:06 GMT] [error] [<0.108.0>] ** Generic server
> <0.108.0> terminating 
> ** Last message in was {'EXIT',<0.111.0>,epipe}
> ** When Server state == {group_state,undefined,<<"web">>,
>                          {"/var/lib/couchdb/0.10.0",<<"web">>,
>                           {group,
> <<54,48,77,50,3,129,147,16,223,202,27,98,9,139,74,
>                              233>>,
> {db,<0.71.0>,<0.72.0>,nil,<<"1278233277155316">>,
>                             <0.69.0>,<0.75.0>,
>                             {db_header,4,16,0,
>                              {738330,{8,1}},
>                              {739403,9},
>                              nil,0,nil,nil,1000},
>                             16,
>                             {btree,<0.69.0>,
>                              {738330,{8,1}},
>                              #Fun<couch_db_updater.8.117532479>,
>                              #Fun<couch_db_updater.9.105507025>,
>                              #Fun<couch_db_updater.7.32442936>,
>                              #Fun<couch_db_updater.10.43662179>},
>                             {btree,<0.69.0>,
>                              {739403,9},
>                              #Fun<couch_db_updater.11.41695917>,
>                              #Fun<couch_db_updater.12.6934644>,
>                              #Fun<couch_btree.5.124754102>,
>                              #Fun<couch_db_updater.13.28245598>},
> {btree,<0.69.0>,nil,#Fun<couch_btree.0.83553141>,
>                              #Fun<couch_btree.1.30790806>,
>                              #Fun<couch_btree.2.124754102>,nil},
> 16,<<"web">>,"/var/lib/couchdb/0.10.0/web.couch",
>                             [],[],nil,
>                             {user_ctx,null,[]},
>                             nil,1000,
>                             [before_header,after_header,on_file_open]},
>                            nil,<<"_temp">>,<<"python">>,[],
>                            [{view,0,
>                              [<<"_temp">>],
>                              <<"def fun(doc):\n  yield None,
> doc">>,nil,[]}],
>                            nil,0,0,nil,nil}},
>                          {group,
> <<54,48,77,50,3,129,147,16,223,202,27,98,9,139,74,233>>,
> {db,<0.71.0>,<0.72.0>,nil,<<"1278233277155316">>,
>                            <0.69.0>,<0.75.0>,
>                            {db_header,4,16,0,
>                             {738330,{8,1}},
>                             {739403,9},
>                             nil,0,nil,nil,1000},
>                            16,
>                            {btree,<0.69.0>,
>                             {738330,{8,1}},
>                             #Fun<couch_db_updater.8.117532479>,
>                             #Fun<couch_db_updater.9.105507025>,
>                             #Fun<couch_db_updater.7.32442936>,
>                             #Fun<couch_db_updater.10.43662179>},
>                            {btree,<0.69.0>,
>                             {739403,9},
>                             #Fun<couch_db_updater.11.41695917>,
>                             #Fun<couch_db_updater.12.6934644>,
>                             #Fun<couch_btree.5.124754102>,
>                             #Fun<couch_db_updater.13.28245598>},
> {btree,<0.69.0>,nil,#Fun<couch_btree.0.83553141>,
>                             #Fun<couch_btree.1.30790806>,
>                             #Fun<couch_btree.2.124754102>,nil},
> 16,<<"web">>,"/var/lib/couchdb/0.10.0/web.couch",
>                            [],[],nil,
>                            {user_ctx,null,[]},
>                            nil,1000,
>                            [before_header,after_header,on_file_open]},
>                           <0.109.0>,<<"_temp">>,<<"python">>,[],
>                           [{view,0,
>                             [<<"_temp">>],
>                             <<"def fun(doc):\n  yield None, doc">>,
>                             {btree,<0.109.0>,nil,
>                              #Fun<couch_btree.3.83553141>,
>                              #Fun<couch_btree.4.30790806>,
>                              #Fun<couch_view.less_json_keys.2>,
>                              #Fun<couch_view_group.11.46347864>},
>                             []}],
> {btree,<0.109.0>,nil,#Fun<couch_btree.0.83553141>,
>                            #Fun<couch_btree.1.30790806>,
>                            #Fun<couch_btree.2.124754102>,nil},
>                           0,0,nil,nil},
>                          <0.111.0>,nil,false,
>                          [{{<0.74.0>,#Ref<0.0.0.673>},16}],
>                          <0.112.0>}
> ** Reason for termination == 
> ** epipe
> Why not just printing a message like "ERROR: Path not found: /path/fo/file" ?
> The way above makes it hard to guess the problem.

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