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authorAmitai Schleier <schmonz-web-ikiwiki@schmonz.com>2019-12-21 10:55:35 +0100
committerAmitai Schleier <schmonz-web-ikiwiki@schmonz.com>2019-12-21 10:55:35 +0100
commitbe7d8a10ce29fae635658c645171d14f0f2c0421 (patch)
treef41bea753520ce43d5c889a627ff9bdf0c15c7d8
parent0466a583ae9e4c3b4d9c6278cb3bc4a6297643d2 (diff)
downloadikiwiki-be7d8a10ce29fae635658c645171d14f0f2c0421.tar
ikiwiki-be7d8a10ce29fae635658c645171d14f0f2c0421.tar.gz
Revert "removed"
This reverts commit bc1b60b913900979e53749537165b75252ab7299.
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+++ b/doc/bugs/__39__search__39___plugin_causes_Error:_Exception:_Db_block_overwritten_-_are_there_multiple_writers__63__.mdwn
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+When the `search` plugin is enabled, with the options:
+
+```
+# search plugin
+# path to the omega cgi program
+omega_cgi: /usr/lib/cgi-bin/omega/omega
+# use google site search rather than internal xapian index?
+google_search: 0
+```
+
+Then we see the following error when editing a page from the web browser UI or running `ikiwiki --rebuild`:
+
+```
+Error: Exception: Db block overwritten - are there multiple writers?
+```
+
+The issue goes away when we disable the 'search' plugin.
+
+We're running ikiwiki version 3.20180228-1.
+
+> Every time?
+> I used to see an error (this one, I think) intermittently on OS X, on incremental rebuilds only.
+> Haven't seen it in a while, though.
+> Maybe something got fixed upstream.
+> What OS, and what version of Xapian and Omega?
+> (1.4.11 for me.)
+> Maybe worth blowing away `.ikiwiki/xapian/`, as described in [[tips/inside_dot_ikiwiki]]?
+>
+> --[[schmonz]]
+>
+>> We've removed the `.ikiwiki/xapian` directory before performing a rebuild, including actually rebooting the host OS. The search appears to work for a while, but once the wiki has been live for a while (and subject to edits on the web interface), the issue reappears.
+>>
+>> * OS: Ubuntu 18.04.2 LTS (GNU/Linux 4.15.0-47-generic x86_64)
+>> * xapian-tools/bionic-updates,bionic-security,now 1.4.5-1ubuntu0.1 amd64
+>> * xapian-omega/bionic,now 1.4.5-1 amd64
+>>
+>> I've upgraded our installations of both Xapian components and will let you know if that fixes it.
+>> -- jsewell
+>>
+>>> Updating appeared to fix it. Sorry for not trying that sooner. Thanks for the help.
+>>> -- jsewell