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#1 2026-05-07 10:39:46
- jrvarma
- Member
- Registered: 2020-05-06
- Posts: 7
[SOLVED] notmuch not finding database after upgrade
Today after I ran a full system upgrade, my email system notmuch exited with the error: unable to find database.
I was able to solve the problem by downgrading notmuch and notmuch-runtime from 0.40-2 to 0.40-1 and xapian-core from 1:2.0.0-2 to 1:1.4.30-2. Both notmuch and xapian had to be downgraded in lockstep as otherwise notmuch reports an error while loading shared libraries.
Any ideas on what could be the issue?
I do see that xapian 2.0.0.0 is a new release series and it landed on ArchLinux only a week back, but a failure to find the database looks odd.
Last edited by jrvarma (2026-05-19 14:01:54)
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#2 2026-05-07 14:38:39
- seth
- Member
- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 75,627
Re: [SOLVED] notmuch not finding database after upgrade
https://nmbug.notmuchmail.org/nmweb/sho … .gmail.com
notmuch config get database.path
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#3 2026-05-19 09:34:58
- jrvarma
- Member
- Registered: 2020-05-06
- Posts: 7
Re: [SOLVED] notmuch not finding database after upgrade
I discovered the problem was that I was using the chert backend which is no longer supported by xapian 2.0. The solution was to downgrade notmuch and xapian-core, migrate the data base to the glass backend using the instructions in the notmuchmail website and then upgrade both notmuch and xapian.
Last edited by jrvarma (2026-05-19 09:38:03)
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#4 2026-05-19 13:51:24
- seth
- Member
- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 75,627
Re: [SOLVED] notmuch not finding database after upgrade
\o/
Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.
You also might want to record that at https://wiki.archlinux.org/title/Notmuch
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