[Couchdb Wiki] Update of "Error_messages" by matiu

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The "Error_messages" page has been changed by matiu.
The comment on this change is: Added a gentoo error fix up.
http://wiki.apache.org/couchdb/Error_messages?action=diff&rev1=23&rev2=24

--------------------------------------------------

  sudo port install couchdb
  }}}
  
+ === Gentoo failed start up error ===
+ 
+ I got this error on gentoo:
+ 
+ {{{
+ =SUPERVISOR REPORT==== 14-Sep-2010::06:34:21 ===
+      Supervisor: {local,couch_server_sup}
+      Context:    start_error
+      Reason:     shutdown
+      Offender:   [{pid,undefined},
+                   {name,couch_primary_services},
+                   {mfa,{couch_server_sup,start_primary_services,[]}},
+                   {restart_type,permanent},
+                   {shutdown,infinity},
+                   {child_type,supervisor}]
+ 
+ 
+ =CRASH REPORT==== 14-Sep-2010::06:34:21 ===
+   crasher:
+     initial call: application_master:init/4
+     pid: <0.32.0>
+     registered_name: []
+     exception exit: {bad_return,
+                         {{couch_app,start,
+                              [normal,
+                               ["/etc/couchdb/default.ini",
+                                "/etc/couchdb/local.ini"]]},
+                          {'EXIT',
+                              {{badmatch,{error,shutdown}},
+                               [{couch_server_sup,start_server,1},
+                                {application_master,start_it_old,4}] } } } }
+       in function  application_master:init/4
+     ancestors: [<0.31.0>]
+     messages: [{'EXIT',<0.33.0>,normal}]
+     links: [<0.31.0>,<0.7.0>]
+     dictionary: []
+     trap_exit: true
+     status: running
+     heap_size: 987
+     stack_size: 24
+     reductions: 115
+   neighbours:
+ 
+ =INFO REPORT==== 14-Sep-2010::06:34:21 ===
+     application: couch
+     exited: {bad_return,{{couch_app,start,
+                                     [normal,
+                                      ["/etc/couchdb/default.ini",
+                                       "/etc/couchdb/local.ini"]]},
+                          {'EXIT',{{badmatch,{error,shutdown}},
+                                   [{couch_server_sup,start_server,1},
+                                    {application_master,start_it_old,4}]} } } }
+     type: temporary
+ }}}
+ 
+ I surmise the problem is that once you've run couchdb as root once, it mucks up all the file ownerships so you can't run it as the couchdb user again.
+ 
+ So my fix was to totally delete it all and start again, like this (running as root):
+ 
+ {{{
+ /etc/init.d/couchdb stop
+ killall -9 couchdb
+ killall -9 beam
+ emerge --unmerge couchdb
+ rm -rf /etc/conf.d/couchdb
+ rm -rf /etc/couchdb
+ rm -rf /etc/default/couchdb
+ rm -rf /etc/init.d/couchdb
+ rm -rf /etc/logrotate.d/couchdb
+ rm -rf /usr/bin/couchdb
+ rm -rf /usr/bin/couchjs
+ rm -rf /usr/lib/couchdb
+ rm -rf /usr/share/couchdb
+ rm -rf /usr/share/doc/couchdb-0.10.1
+ rm -rf /usr/share/man/man1/couchdb.1.bz2
+ rm -rf /usr/share/man/man1/couchjs.1.bz2
+ rm -rf /var/lib/couchdb
+ rm -rf /var/log/couchdb
+ rm -rf /var/run/couchdb
+ userdel couchdb
+ /etc/init.d/couchdb start
+ }}}
+ 
+ That's basically a mega uninstall and re-install.
+ 
+ You might be able to do it with some:
+ 
+ {{{
+ chown couchdb:couchdb -R ...
+ }}}
+ 
+ If you really can't loose whatever data and configs you have .. or you could back them up first :)
+ 
  == Runtime Errors ==