Re: "The revision being read has been discarded - you should call Xapian::Database...

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+ Tue, 22 Mar 2016 20:32:40 -0000\r
+From: David Bremner <david@tethera.net>\r
+To: Chris Down <chris@chrisdown.name>, notmuch@notmuchmail.org\r
+Subject: Re: "The revision being read has been discarded - you should call\r
+ Xapian::Database::reopen() and retry the operation"\r
+In-Reply-To: <20160322171509.GA2233@chrisdown.name>\r
+References: <20160322171509.GA2233@chrisdown.name>\r
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+Date: Tue, 22 Mar 2016 17:32:40 -0300\r
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+Chris Down <chris@chrisdown.name> writes:\r
+\r
+\r
+> After looking around for information about this error, it seems it can also \r
+> mean that the Xapian database is corrupted. Since this is happening on two \r
+> different databases, it seems interesting that the corruption would happen in \r
+> exactly the same way on both. Is there some way to verify the existence or \r
+> non-existence of database corruption in a Xapian database that I could try?\r
+\r
+You could try running xapian-check $MAILDIR/.notmuch/xapian\r
+\r
+It might be a good idea to make a backup with notmuch dump; this is a\r
+read-only operation so it should not make things worse.\r
+\r
+d\r