https://bugzilla.wikimedia.org/show_bug.cgi?id=20475
Summary: SpecialExport producing corrupt output.
Product: MediaWiki
Version: 1.16-svn
Platform: All
OS/Version: All
Status: NEW
Keywords: postgresql
Severity: major
Priority: Normal
Component: Export/Import
AssignedTo: [email protected]
ReportedBy: [email protected]
Blocks: 384
If using a Postgres back end when you go to export any pages it returns
corrupted XML with the following at the end:
==
<b>Warning</b>: pg_query(): 50 is not a valid PostgreSQL link resource in
<b>/var/www/mysite/wiki/includes/db/DatabasePostgres.php</b> on line
<b>582</b><br />
<br />
<b>Warning</b>: pg_last_error() [<a
href='function.pg-last-error'>function.pg-last-error</a>]: No PostgreSQL link
opened yet in <b>/var/www/mysite/wiki/includes/db/DatabasePostgres.php</b> on
line <b>666</b><br />
<br />
<b>Warning</b>: pg_last_error() [<a
href='function.pg-last-error'>function.pg-last-error</a>]: No PostgreSQL link
opened yet in <b>/var/www/mysite/wiki/includes/db/DatabasePostgres.php</b> on
line <b>673</b><br />
<br />
<b>Warning</b>: pg_query(): 50 is not a valid PostgreSQL link resource in
<b>/var/www/mysite/wiki/includes/db/DatabasePostgres.php</b> on line
<b>582</b><br />
<br />
<b>Warning</b>: pg_last_error() [<a
href='function.pg-last-error'>function.pg-last-error</a>]: No PostgreSQL link
opened yet in <b>/var/www/mysite/wiki/includes/db/DatabasePostgres.php</b> on
line <b>666</b><br />
<br />
<b>Warning</b>: pg_last_error() [<a
href='function.pg-last-error'>function.pg-last-error</a>]: No PostgreSQL link
opened yet in <b>/var/www/mysite/wiki/includes/db/DatabasePostgres.php</b> on
line <b>673</b><br />
==
>From what I can tell this is error is generated when the job queue is tried to
run:
==
/wiki/index.php?title=Special:Export&action=submit Exception from line 1041
of /var/www/mysite/wiki/includes/db/DatabasePostgres.php: A database error has
occurred
Query: SELECT * FROM job WHERE job_id >= 0 ORDER BY job_id LIMIT 1
Function: Job::pop
Error: 0
SQL ERROR (ignored):
==
commenting out $lb->closeAll(); on line 275 of SpecialExport fixes this error,
but as I have no clue of the LoadBalancer magic I don't know what effects this
cause.
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