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+Date: Wed, 22 Aug 2012 22:47:25 -0400\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: Bart Bunting <bart@ursys.com.au>\r
+Subject: Re: Errors after upgrade to 0.14\r
+Message-ID: <20120823024725.GY11179@mit.edu>\r
+References: <m2mx1m8pp3.fsf@ursys.com.au> <20120823004117.GT11179@mit.edu>\r
+ <20120823010922.GV11179@mit.edu> <m2mx1m9zd9.fsf@ursys.com.au>\r
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+\r
+Fun. It looks like several things are colluding to cause problems\r
+here. The root problem is still concurrent database access, judging\r
+by the error messages embedded in the string passed to\r
+notmuch-search-process-filter, but it's being handled poorly at\r
+several layers. First, _notmuch_thread_create in the library doesn't\r
+notice when notmuch_query_search_messages fails, so it constructs an\r
+empty thread object, rather than indicating failure, which\r
+notmuch-search.c dutifully emits. But by that point the damage has\r
+already been done by the error printed deep in the bowels of the\r
+library. Somehow that error message is tripping up the incremental\r
+parser (exactly how I'm unclear on) and causing it to read the string\r
+"tags" as a list-level JSON object, which it then passes to\r
+notmuch-search-show-result as a result object. Since it's not a\r
+result object, plist-get returns nil, which causes =3D to raise the\r
+error.\r
+\r
+This is probably a bug in the error recovery of the incremental JSON\r
+parser (or its use in search-mode), since the output below looks clean\r
+enough that it *should* be able to catch the error and resynchronize.\r
+\r
+Quoth Bart Bunting on Aug 23 at 11:49 am:\r
+> Ok perhaps this is more helpfull?\r
+>=20\r
+> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)\r
+> notmuch-search-show-result("tags")\r
+> byte-code("\304=08\305\"\203\306 !\307=3D\203\310\202Q\303\202Q\304=08\=\r
+311\"\203D\312 !\304=0B\313\"\2030\310\202@\304=0B\314\"\203<\315\202@\316=\r
+=0B!\210)\202Q\304=08\317\"\203Q\320 !\210\310\304\207" [notmuch-search-pro=\r
+cess-state notmuch-search-json-parser done result memql (begin) notmuch-jso=\r
+n-begin-compound retry t (result) notmuch-json-read (retry) (end) end notmu=\r
+ch-search-show-result (end) notmuch-json-eof] 3)\r
+> notmuch-search-process-filter(#<process notmuch-search> ", \"tags\": []=\r
+},\nA Xapian exception occurred performing query: The revision being read h=\r
+as been discarded - you should call Xapian::Database::reopen() and retry th=\r
+e operation\nQuery string was: thread:0000000000020a59\n{\"thread\": \"0000=\r
+00000001fd19\", \"timestamp\": 0, \"date_relative\": \"1970-01-01\", \"matc=\r
+hed\": 0, \"total\": 0, \"authors\": \"\", \"subject\": \"\", \"tags\": []}=\r
+,\nA Xapian exception occurred performing query: The revision being read ha=\r
+s been discarded - you should call Xapian::Database::reopen() and retry the=\r
+ operation\nQuery string was: thread:0000000000020a57\n{\"thread\": \"00000=\r
+00000020a59\", \"timestamp\": 0, \"date_relative\": \"1970-01-01\", \"match=\r
+ed\": 0, \"total\": 0, \"authors\": \"\", \"subject\": \"\", \"tags\": []},=\r
+\nA Xapian exception occurred performing query: The revision being read has=\r
+ been discarded - you should call Xapian::Database::reopen() and retry the =\r
+operation\nQuery string was: thread:0000000000020a57\n{\"thread\": \"000000=\r
+0000020a57\", \"timestamp\": 0, \"date_relative\": \"1970-01-01\", \"matche=\r
+d\": 0, \"total\": 0, \"authors\": ")\r
+> recursive-edit()\r
+> debug(error (error "A Xapian exception occurred opening database: Unabl=\r
+e to get write lock on /Users/bart/mail/.notmuch/xapian: already locked"))\r
+> ad-Orig-signal(error ("A Xapian exception occurred opening database: Un=\r
+able to get write lock on /Users/bart/mail/.notmuch/xapian: already locked"=\r
+))\r
+> signal(error ("A Xapian exception occurred opening database: Unable to =\r
+get write lock on /Users/bart/mail/.notmuch/xapian: already locked"))\r
+> ad-Orig-error("A Xapian exception occurred opening database: Unable to =\r
+get write lock on /Users/bart/mail/.notmuch/xapian: already locked")\r
+> apply(ad-Orig-error "A Xapian exception occurred opening database: Unab=\r
+le to get write lock on /Users/bart/mail/.notmuch/xapian: already locked")\r
+> error("A Xapian exception occurred opening database: Unable to get writ=\r
+e lock on /Users/bart/mail/.notmuch/xapian: already locked")\r
+> notmuch-call-notmuch-process("tag" "-inbox" "--" "thread:00000000000222=\r
+88")\r
+> apply(notmuch-call-notmuch-process "tag" ("-inbox" "--" "thread:0000000=\r
+000022288"))\r
+> notmuch-tag("thread:0000000000022288" ("-inbox"))\r
+> notmuch-search-tag-region(202 202 ("-inbox"))\r
+> notmuch-search-tag(("-inbox"))\r
+> ad-Orig-notmuch-search-archive-thread()\r
+> notmuch-search-archive-thread()\r
+> call-interactively(notmuch-search-archive-thread nil nil)\r
+> recursive-edit()\r
+> debug(error (error "A Xapian exception occurred opening database: Unabl=\r
+e to get write lock on /Users/bart/mail/.notmuch/xapian: already locked"))\r
+> ad-Orig-signal(error ("A Xapian exception occurred opening database: Un=\r
+able to get write lock on /Users/bart/mail/.notmuch/xapian: already locked"=\r
+))\r
+> signal(error ("A Xapian exception occurred opening database: Unable to =\r
+get write lock on /Users/bart/mail/.notmuch/xapian: already locked"))\r
+> ad-Orig-error("A Xapian exception occurred opening database: Unable to =\r
+get write lock on /Users/bart/mail/.notmuch/xapian: already locked")\r
+> apply(ad-Orig-error "A Xapian exception occurred opening database: Unab=\r
+le to get write lock on /Users/bart/mail/.notmuch/xapian: already locked")\r
+>=20\r
+>=20\r
+> Kind regards\r
+>=20\r
+> Bart\r
projects / notmuch-archives.git / commitdiff