From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Odd backtrace in condition-case Date: Mon, 20 May 2019 19:26:43 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="22619"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon May 20 19:48:34 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hSmOn-0005lG-1r for ged-emacs-devel@m.gmane.org; Mon, 20 May 2019 19:48:33 +0200 Original-Received: from localhost ([127.0.0.1]:39538 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSmOl-0003rY-DB for ged-emacs-devel@m.gmane.org; Mon, 20 May 2019 13:48:31 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:60032) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSm3p-0003pA-5y for emacs-devel@gnu.org; Mon, 20 May 2019 13:26:54 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hSm3n-0006jE-KU for emacs-devel@gnu.org; Mon, 20 May 2019 13:26:53 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:60752) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hSm3n-0006gn-DY for emacs-devel@gnu.org; Mon, 20 May 2019 13:26:51 -0400 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=stories) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hSm3g-0001vJ-3o for emacs-devel@gnu.org; Mon, 20 May 2019 19:26:46 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAJFBMVEX+6gH+6AGMfzMEAQAY FA3+5wP/6AD+5AIGAwD+5QH98Vb74Ay09NXPAAACa0lEQVQ4jV2TMW/bMBCF2SEugkz5B60jtLKy mR40FhaBMM7SpZ2FDASELEEQVDC8SRwO9eZBBuHN8KSpQ+DYyJ/rO0pQ5NxgOPx87x4fL+KnEGe/ fl9eCnwRZy9KTbcKHw/CXIs0+zoQvs410WyrSf24EPdDruuUz809EUU7svrfhVg1wIAMzEsLCsFg Og2Gd8YYYbJQkq0D0kvxWayUOtypuwrEbMoWfGGADtWAbCUbYB/FeTtj6ADcAaCoNRVpAwL4dq7K 1omM2W15K8Qn8aSgpAuHYiWKAqI9HIonFgo8eGmVxmxdLJp7MLgiSVGtkqUH3icfu02ppK13qvwm PMCF4dSPCGRRh2ry6HOrEFEDDnFQzmqlx2kL2o51MhkiKFXefgArOQ5wbSX3aU/Kmy1CPFIyrjow 8OAqnk0jNCwrcQI2ZRztApvIUb/Dj7C4tJKT4wdwiIudVoksnOkNz9xa0wwpE90405sBpdJuldUx Hc074NnPVGynqoyhdApC3g5dxssTkLmN5jS0pNE7SBmsyMck7bHqd8As+Zhgtuv4Y2BqnWAJ0CBv ANoLzjlCVgp0KeNXhObBgEEGsxYvVMrJ/AMI6e8WnuTSnYLGLEn5HedZZTqAEfBEMMsLabqOxqym uMAI0wMZ1hizOVm+hunsQmk2BIhH7nTGc5MHWf97h1AGqQHIQijtEOCyWVfjC+ABj8ezaWR6BXAP T1s8qt2/Hzsn5jALJYCClXgt/SYDaBs1ZttfVzheA6wwgZX84zUyb29vR5E/F7VXspyf11kAzEUe RjX+vZBs7rrK81wsFDdIJIu/FnlX/wHxS5no81Nn3wAAAABJRU5ErkJggg== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 80.91.231.51 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:236807 Archived-At: I usually run with `debug-on-error' set, but lately I've started getting these backtraces: Debugger entered--Lisp error: (wrong-type-argument char-or-string-p nil) capitalize(nil) timezone-make-arpa-date(2000 0 0 "01:00:00" (3600 "CET")) timezone-make-date-arpa-standard("Session") date-to-time("Session") url-cookie-expired-p([url-cookie "NRK-Experiment-Bucket" "0" "Session" "/" "www.nrk.no" nil]) [...] url-http-create-request() url-http-async-sentinel(# "open\n") The code is: (defun url-cookie-expired-p (cookie) "Return non-nil if COOKIE is expired." (let ((exp (url-cookie-expires cookie))) (and (> (length exp) 0) (condition-case () (time-less-p (date-to-time exp) nil) (error nil))))) My question is: Why does this give me a backtrace? If I say something else, like: (condition-case () (capitalize nil) (error t)) => t I get no backtrace, but: (condition-case () (date-to-time "Session") (error t)) => Debugger entered--Lisp error: (wrong-type-argument char-or-string-p nil) capitalize(nil) timezone-make-arpa-date(2000 0 0 "01:00:00" (3600 "CET")) timezone-make-date-arpa-standard("Session") date-to-time("Session") (condition-case nil (date-to-time "Session") (error nil)) *scratches head* Shouldn't the `error' clause in condition-case catch all errors? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no