Re: [Catalyst] Hangs in RenderView in "end"
2009/7/16 John Romkey > For what it's worth, I do my development under MacOS X 10.5 (currently > 10.5.7) and use FF 3.0.x (currently 3.0.11) as my primary browser for > development and haven't run into any problems. I'm up-to-date on all the > Catalyst packages. I normally run the built-in server with '-r -d' but > deploy on a Debian system under Apache2 (also no problems). > Hi, John,. I believe K. akimoto was developing on an Ubuntu box and accessed his application for testing with a Firefox 3/3.5 browser on Mac OS X for testing. > > kakimoto and Gordon, you did catch the earlier bit from Gunnar that using > CGI.pm with debugging turned on was the culprit for him, didn't you? Are you > using CGI.pm in your app or templates? >- john romkey >http://www.romkey.com/ Yes, we did discuss that and I checked the codes with no sight of CGI.pm (at least in the eyes of "fgrep -iRn CGI projects/myApp" I do have something to announce (and K. akimoto's tried this too). It's that he was running his app with "scripts/myapp_server.pl" - that caused the problem. I read up on the new book on Catalyst (woo hoo!) and ran it with the "-k" flag to keep connections alive (ie. "scripts/myapp_server.pl -k") and that seem to be stable (ie. Firefox 3/3.5 on Mac OS X was not hanging or taking his server down). Interesting but I am not entirely sure why Firefox 3/3.5 acts this way on Mac OS X. ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
For what it's worth, I do my development under MacOS X 10.5 (currently 10.5.7) and use FF 3.0.x (currently 3.0.11) as my primary browser for development and haven't run into any problems. I'm up-to-date on all the Catalyst packages. I normally run the built-in server with '-r -d' but deploy on a Debian system under Apache2 (also no problems). I also use Mason to render pages, not TT. I also don't use CGI.pm. I'd hope that you're not letting real users run against the built-in development server. And while it's a pain that the built-in server is hanging, that doesn't mean that your app under a deployment server would also hang. I gave up on FF 3.5 pretty quickly; I was having some Javascript and Firebug glitches and when it wouldn't show me the source to the page it was rendering I decided to try again later after 3.5.1 is out. I'm saying this just to say that Catalyst can work under MacOS X. Perhaps there's some combination of packages or MacOS X updates or the like which brings out this particular problem, but it's not the case that Catalyst is 100% having these issues under Mac OS X. kakimoto and Gordon, you did catch the earlier bit from Gunnar that using CGI.pm with debugging turned on was the culprit for him, didn't you? Are you using CGI.pm in your app or templates? - john romkey http://www.romkey.com/ ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
hey K, try running myApp_server.pl with "-k" . I tried it on my mac and it works just fine! :D anyway, would be interesting to find out why FF 3/3.5 causes the problem it does on Mac. ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
hey K thanks for including the error logs for me. ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
hello, t0m, Good morning. 1)Does using the Prefork engine work, or does it exhibit the same behavior? I am sorry as I can't tell you. This is because I have not tried it yet. Been developing and noticed this strange problem. I m pretty stuck halfway now with a Catalyst application that works fine sometimes on firefox MAC Os X but works fine always on any non-firefox 3.5 on mac os X. Good news is that the windows people running IE, Safari and FF would be able to use the application without a problem whilst us Mac folks using Firefox 3/3.5 will not be able to (and also hang my server) :( 2) I have tried this on Mac OS X Leopard and Tiger (both running Firefox 3/3.5) . Problem comes up sometimes only. This is very sporadic because I tried the replicate the problem at another interval and Firefox was able to handle it. Tried it the next hour or evening and it jams up. Then, after restarted the catalyst application process, I use safari to perform the same tasks and no problems are observed. 3) Here is an extract of the strace. Thank you :) accept(5, {sa_family=AF_INET, sin_port=htons(50067), sin_addr=inet_addr("123.243.50.59")}, [10647353952623919120]) = 6 ioctl(6, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff4c95dea0) = -1 EINVAL (Invalid argument) lseek(6, 0, SEEK_CUR) = -1 ESPIPE (Illegal seek) ioctl(6, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff4c95dea0) = -1 EINVAL (Invalid argument) lseek(6, 0, SEEK_CUR) = -1 ESPIPE (Illegal seek) fcntl(6, F_SETFD, FD_CLOEXEC) = 0 fcntl(6, F_GETFL) = 0x2 (flags O_RDWR)read(6, "GET / HTTP/1.1\r\nHost: www.myApp"..., 65536) = 514 getpeername(6, {sa_family=AF_INET, sin_port=htons(50067), sin_addr=inet_addr("123.243.50.59")}, [6788732235563401232]) = 0getsockname(6, {sa_family=AF_INET, sin_port=htons(3000), sin_addr=inet_addr("125.214.64.65")}, [6788732235563401232]) = 0 open("/etc/hosts", O_RDONLY|0x8 /* O_??? */) = 9fcntl(9, F_GETFD) = 0 fcntl(9, F_SETFD, FD_CLOEXEC) = 0 fstat(9, {st_mode=S_IFREG|0644, st_size=170, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b0f67b6b000read(9, "127.0.0.1 localhost.localdomain "..., 4096) = 170 close(9)= 0 munmap(0x2b0f67b6b000, 4096)= 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_IGN}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_DFL}, 8) = 0rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2183, ...}) = 0fcntl(6, F_GETFL) = 0x2 (flags O_RDWR) fcntl(6, F_SETFL, O_RDWR|O_NONBLOCK)= 0 alarm(10) = 0 fcntl(3, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=3932160, len=65536}) = 0 alarm(0)= 10 fcntl(3, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=3932160, len=65536}) = 0 alarm(10) = 0 fcntl(3, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=2359296, len=65536}) = 0alarm(0) = 10 fcntl(3, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=2359296, len=65536}) = 0stat("/home/kakimoto/projects/myApp/root/src/index.tt2", {st_mode=S_IFREG|0755, st_size=248, ...}) = 0stat("/home/kakimoto/projects/myApp/root/src/config/main", 0x70fcc0) = -1 ENOENT (No such file or directory)stat("/home/kakimoto/projects/myApp/root/lib/config/main", {st_mode=S_IFREG|0755, st_size=803, ...}) = 0 stat("/home/kakimoto/projects/myApp/root/src/config/col", 0x70fcc0) = -1 ENOENT (No such file or directory) stat("/home/kakimoto/projects/myApp/root/lib/config/col", {st_mode=S_IFREG|0755, st_size=449, ...}) = 0 stat("/home/kakimoto/projects/myApp/root/src/config/url", 0x70fcc0) = -1 ENOENT (No such file or direc tory) stat("/home/kakimoto/projects/myApp/root/lib/config/url", {st_mode=S_IFREG|0755, st_size=139, ...}) = 0 stat("/home/kakimoto/projects/myApp/root/src/menu.tt2", {st_mode=S_IFREG|0755, st_size=502, ...}) = 0 write(8, "SELECT me.id, me.password, me.fi"..., 276) = 276 rt_sigprocmask(SIG_BLOCK, [PIPE], [], 8) = 0 sendto(7, "B\0\0\0!\0dbdpg_p18331_2\0\0\0\0\1\0\0\0\0013\0\1"..., 56, 0, NULL, 0) = 56rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 poll([{fd=7, events=POLLIN|POLLERR, revents=POLLIN}], 1, -1) = 1 recvfrom(7, "2\0\0\0\4T\0\0\1\320\0\20id\0\0\0cN\0\1\0\0\0\27\0\4\377"..., 16384, 0, NULL, NULL) = 745 stat("/home/kakimoto/projects/myApp/root/src/listings/search.tt2", {st_mode=S_IFREG|0755, st_size=1861 , ...}) = 0 open("/home/kakimoto/projects/myApp/root/src/listings/search.tt2", O_RDONLY) = 9 ioctl(9, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff4c95ecf0) = -1 ENOTTY (Inappropriate ioctl for device) lseek(9, 0, SEEK_CUR) = 0 fstat(9, {st_mode=S_IFREG|0755, st_size=1861, ...}) = 0 fcntl(9, F_SETFD, FD_CLOEXEC) = 0
Re: [Catalyst] Hangs in RenderView in "end"
On 15 Jul 2009, at 09:31, Gordon Yeong wrote: hi, gents:) any ideas? I have tried firefox 3.0 and 3.5 on my mac os X and it causes myapp_server.pl to hang (ie. cause the CPU server to go 100%). Running an strace just shows me write(6, "=\"http://www.myexample.com.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) Hmm. I don't know why this could happen. Catalyst appears to be doing the correct thing here - from the Darwin reference man pages: [EAGAIN] The file is marked for non-blocking I/O, and no data could be written immediately. so I guess firefox has filled up the socket buffer in some way and isn't reading stuff, although I don't understand why Darwin is signaling Catalyst that the socket is available for writing, and then returning EAGAIN when we try to write :/ Can you extract the section of the trace just before it goes into the EAGAIN loop and paste that? Which specific version / patch level of osX is this? Does using the Prefork engine work, or does it exhibit the same behavior? Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
hi, gents:) any ideas? I have tried firefox 3.0 and 3.5 on my mac os X and it causes myapp_server.pl to hang (ie. cause the CPU server to go 100%). Running an strace just shows me write(6, "=\"http://www.myexample.com.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) write(6, "=\"http://www.myexample.";..., 2715) = -1 EAGAIN (Resource temporarily unavailable) 2009/7/13 Gordon Yeong > I believe that firefox on mac OS X has a bug. > I have tested with other browsers on both Mac Os X and windows platforms > without any problems. Here's what I used: > > Mac Os X 10.5 > >1. Safari > > Windows XP > >1. internet explorer >2. firefox 3 > > doesn't seem to have any issues. > Any suggestions of how to prove this but such that I can perhaps log a > call with the folks on mozilla? > > thanks:D > > Gordon > > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
I believe that firefox on mac OS X has a bug. I have tested with other browsers on both Mac Os X and windows platforms without any problems. Here's what I used: Mac Os X 10.5 1. Safari Windows XP 1. internet explorer 2. firefox 3 doesn't seem to have any issues. Any suggestions of how to prove this but such that I can perhaps log a call with the folks on mozilla? thanks:D Gordon 2009/7/9 Gordon Yeong > Mod deflate was never on because i made sure apache2 was shut down. > I am using myapp_server.pl and the fault occurs. > Tried to replicate the problem with safari and it doesn't occur. > I believe there's some hidden complication with firefox. > > > > This isn't a fastcgi/mod_deflate issue is it? Are you running both? If so, >> turn off mod_deflate and see if it fixes? >> >> Cheers >> t0m >> >> >> > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
On 9 Jul 2009, at 07:45, Gunnar Strand wrote: Here's what I wrote, and I've attached a patch for Catalyst::View::TT.pm. I'm very inexperienced using patches, so let me know if you want it in any other way. I changed the wording slightly to be a little more affirmative and applied: http://dev.catalystframework.org/svnweb/Catalyst/revision?rev=10862 Thanks very much! Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
Tomas Doran skrev: > > On 6 Jul 2009, at 05:33, Gunnar Strand wrote: >>> >>> Wow, that's a fairly unexpected gotcha. >>> >>> Any chance of a doc patch to make it easier for the next poor soul who >>> gets stuck on this? >> Sure. Where would you like it? > > A 'NOTES' or 'CAVEATS' section in the POD for Catalyst::View::TT is > the best place I can think of right now. > > Write something and it can go somewhere else if anyone has a better idea? Here's what I wrote, and I've attached a patch for Catalyst::View::TT.pm. I'm very inexperienced using patches, so let me know if you want it in any other way. =head1 NOTES If you are using the L module inside your templates, and you experience that the Catalyst server appears to hang while rendering the web page, then it may be due to the debug mode of L (which is waiting for input in the terminal window). You can try turning off the debug mode using the "-no_debug" option and see if that solves you problem, eg.: [% USE CGI('-no_debug') %] KR, Gunnar > > Cheers > t0m > > > ___ > List: Catalyst@lists.scsys.co.uk > Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: > http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > > cgi_debug.patch Description: Binary data ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
Mod deflate was never on because i made sure apache2 was shut down. I am using myapp_server.pl and the fault occurs. Tried to replicate the problem with safari and it doesn't occur. I believe there's some hidden complication with firefox. This isn't a fastcgi/mod_deflate issue is it? Are you running both? If so, > turn off mod_deflate and see if it fixes? > > Cheers > t0m > > > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
Gordon Yeong wrote: hi there I am facing almost the same issue in that even clicking the "stop" button on firefox would see no difference in the debugging terminal or have a response from the webpage. When i have safari accesssing the same page, i can submit without a problem and the server doesn't hang. Any thoughts? This isn't a fastcgi/mod_deflate issue is it? Are you running both? If so, turn off mod_deflate and see if it fixes? Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
Gordon Yeong skrev: > hi there > > I am facing almost the same issue in that even clicking the "stop" > button on firefox would see no difference in the debugging terminal or > have a response from the webpage. > When i have safari accesssing the same page, i can submit without a > problem and the server doesn't hang. > > Any thoughts? > > thanks > > gordon I turned on debugging in the local TT.pm in myApp as you describe below. I accessed the page on the application's server with Firefox only. Didn't try any other browser. In my case, the request was aborted and the server returned to normal after I clicked "Stop" in Firefox. So it only hung until then. I guess you can try to press Ctrl-D in the terminal window to get it to continue in case the server is waiting for input, but I never tried that (didn't think of it). At least you would know if that is the problem. I also tried running the server under a debugger (perl -d:ptkdb script/myapp_server.pl), but wasn't really getting me anywhere since I know too little about Catalyst/TT internals. KR, Gunnar > > 2009/7/8 Gordon Yeong mailto:anexi...@gmail.com>> > > > hi there > > I think i am facing the same fault. > hmmm... When you mention TT.pm, do you mean the local TT.pm found in > myApp/View/TT.pm or is it the TT.pm belonging to the Template > Toolkit package? > > thanks > > Regards, > Gordon Yeong > > > 2009/7/3 Gunnar Strand <mailto:gunnarstr...@yahoo.com>> > > I found the problem. Turning on debugging for TT (DEBUG => > DEBUG_ALL) in TT.pm showed that it hangs on the [% USE CGI %] > directive. Apparently > > [% USE CGI('-no_debug') %] > > is needed. Got it from here: > > https://bugzilla.mozilla.org/show_bug.cgi?id=137589 > > Seems CGI thinks that it is begin run from command line and > prompts for data. > > KR, > Gunnar > > > *From:* Gunnar Strand <mailto:gunnarstr...@yahoo.com>> > *To:* The elegant MVC web framework > mailto:catalyst@lists.scsys.co.uk>> > *Sent:* Monday, June 29, 2009 6:39:41 AM > *Subject:* Re: [Catalyst] Hangs in RenderView in "end" > > >> Is there any way of running the server in a debugger or to > turn tracing on? Can I send a signal to it to get it to >dump > a stack trace somehow? Any attempt I've made so far just > results in nothing or segmentation faults. > > > >[...] > > > >I don't understand why you're seeing segfaults. What version > of Catalyst are you using, what is your perl -V, and do you > have the latest version of Variable::Magic installed? Also, if > you could attach gdb and get the catalyst process to segfault, > then a backtrace from c land could be useful. > > The debugger works now(!). I've always had problems with it > but hadn't tried it for a while. Maybe a library got updated. > > Thanks for the tips! > > KR, > Gunnar > > ___ > List: Catalyst@lists.scsys.co.uk > <mailto:Catalyst@lists.scsys.co.uk> > Listinfo: > http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: > http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > > > > ___ > List: Catalyst@lists.scsys.co.uk > <mailto:Catalyst@lists.scsys.co.uk> > Listinfo: > http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: > http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > > > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
hi there I am facing almost the same issue in that even clicking the "stop" button on firefox would see no difference in the debugging terminal or have a response from the webpage. When i have safari accesssing the same page, i can submit without a problem and the server doesn't hang. Any thoughts? thanks gordon 2009/7/8 Gordon Yeong > > hi there > > I think i am facing the same fault. > hmmm... When you mention TT.pm, do you mean the local TT.pm found in > myApp/View/TT.pm or is it the TT.pm belonging to the Template Toolkit > package? > > thanks > > Regards, > Gordon Yeong > > > 2009/7/3 Gunnar Strand > > I found the problem. Turning on debugging for TT (DEBUG => DEBUG_ALL) in >> TT.pm showed that it hangs on the [% USE CGI %] directive. Apparently >> >> [% USE CGI('-no_debug') %] >> >> is needed. Got it from here: >> >> https://bugzilla.mozilla.org/show_bug.cgi?id=137589 >> >> Seems CGI thinks that it is begin run from command line and prompts for >> data. >> >> KR, >> Gunnar >> -------------- >> *From:* Gunnar Strand >> *To:* The elegant MVC web framework >> *Sent:* Monday, June 29, 2009 6:39:41 AM >> *Subject:* Re: [Catalyst] Hangs in RenderView in "end" >> >> >> Is there any way of running the server in a debugger or to turn >> tracing on? Can I send a signal to it to get it to >dump a stack trace >> somehow? Any attempt I've made so far just results in nothing or >> segmentation faults. >> > >> >[...] >> > >> >I don't understand why you're seeing segfaults. What version of Catalyst >> are you using, what is your perl -V, and do you have the latest version of >> Variable::Magic installed? Also, if you could attach gdb and get the >> catalyst process to segfault, then a backtrace from c land could be useful. >> >> The debugger works now(!). I've always had problems with it but hadn't >> tried it for a while. Maybe a library got updated. >> >> Thanks for the tips! >> >> KR, >> Gunnar >> >> ___ >> List: Catalyst@lists.scsys.co.uk >> Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst >> Searchable archive: >> http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ >> Dev site: http://dev.catalyst.perl.org/ >> >> >> >> ___ >> List: Catalyst@lists.scsys.co.uk >> Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst >> Searchable archive: >> http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ >> Dev site: http://dev.catalyst.perl.org/ >> >> > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
hi there I think i am facing the same fault. hmmm... When you mention TT.pm, do you mean the local TT.pm found in myApp/View/TT.pm or is it the TT.pm belonging to the Template Toolkit package? thanks Regards, Gordon Yeong 2009/7/3 Gunnar Strand > I found the problem. Turning on debugging for TT (DEBUG => DEBUG_ALL) in > TT.pm showed that it hangs on the [% USE CGI %] directive. Apparently > > [% USE CGI('-no_debug') %] > > is needed. Got it from here: > > https://bugzilla.mozilla.org/show_bug.cgi?id=137589 > > Seems CGI thinks that it is begin run from command line and prompts for > data. > > KR, > Gunnar > -- > *From:* Gunnar Strand > *To:* The elegant MVC web framework > *Sent:* Monday, June 29, 2009 6:39:41 AM > *Subject:* Re: [Catalyst] Hangs in RenderView in "end" > > >> Is there any way of running the server in a debugger or to turn tracing > on? Can I send a signal to it to get it to >dump a stack trace somehow? Any > attempt I've made so far just results in nothing or segmentation faults. > > > >[...] > > > >I don't understand why you're seeing segfaults. What version of Catalyst > are you using, what is your perl -V, and do you have the latest version of > Variable::Magic installed? Also, if you could attach gdb and get the > catalyst process to segfault, then a backtrace from c land could be useful. > > The debugger works now(!). I've always had problems with it but hadn't > tried it for a while. Maybe a library got updated. > > Thanks for the tips! > > KR, > Gunnar > > ___ > List: Catalyst@lists.scsys.co.uk > Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: > http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > > > > ___ > List: Catalyst@lists.scsys.co.uk > Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: > http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
On 6 Jul 2009, at 05:33, Gunnar Strand wrote: Wow, that's a fairly unexpected gotcha. Any chance of a doc patch to make it easier for the next poor soul who gets stuck on this? Sure. Where would you like it? A 'NOTES' or 'CAVEATS' section in the POD for Catalyst::View::TT is the best place I can think of right now. Write something and it can go somewhere else if anyone has a better idea? Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
Tomas Doran skrev: > > On 2 Jul 2009, at 21:33, Gunnar Strand wrote: > >> I found the problem. Turning on debugging for TT (DEBUG => DEBUG_ALL) >> in TT.pm showed that it hangs on the [% USE CGI %] directive. Apparently >> >> [% USE CGI('-no_debug') %] >> >> is needed. Got it from here: >> >> https://bugzilla.mozilla.org/show_bug.cgi?id=137589 >> >> Seems CGI thinks that it is begin run from command line and prompts >> for data. >> > > Wow, that's a fairly unexpected gotcha. > > Any chance of a doc patch to make it easier for the next poor soul who > gets stuck on this? Sure. Where would you like it? KR, Gunnar > > Cheers > t0m > > > ___ > List: Catalyst@lists.scsys.co.uk > Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: > http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > > ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
On 2 Jul 2009, at 21:33, Gunnar Strand wrote: I found the problem. Turning on debugging for TT (DEBUG => DEBUG_ALL) in TT.pm showed that it hangs on the [% USE CGI %] directive. Apparently [% USE CGI('-no_debug') %] is needed. Got it from here: https://bugzilla.mozilla.org/show_bug.cgi?id=137589 Seems CGI thinks that it is begin run from command line and prompts for data. Wow, that's a fairly unexpected gotcha. Any chance of a doc patch to make it easier for the next poor soul who gets stuck on this? Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
I found the problem. Turning on debugging for TT (DEBUG => DEBUG_ALL) in TT.pm showed that it hangs on the [% USE CGI %] directive. Apparently [% USE CGI('-no_debug') %] is needed. Got it from here: https://bugzilla.mozilla.org/show_bug.cgi?id=137589 Seems CGI thinks that it is begin run from command line and prompts for data. KR, Gunnar From: Gunnar Strand To: The elegant MVC web framework Sent: Monday, June 29, 2009 6:39:41 AM Subject: Re: [Catalyst] Hangs in RenderView in "end" >> Is there any way of running the server in a debugger or to turn tracing on? >> Can I send a signal to it to get it to >dump a stack trace somehow? Any >> attempt I've made so far just results in nothing or segmentation faults. > >[...] > >I don't understand why you're seeing segfaults. What version of Catalyst are >you using, what is your perl -V, and do you have the latest version of >Variable::Magic installed? Also, if you could attach gdb and get the catalyst >process to segfault, then a backtrace from c land could be useful. The debugger works now(!). I've always had problems with it but hadn't tried it for a while. Maybe a library got updated. Thanks for the tips! KR, Gunnar ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/ ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
>> Is there any way of running the server in a debugger or to turn tracing on? >> Can I send a signal to it to get it to >dump a stack trace somehow? Any >> attempt I've made so far just results in nothing or segmentation faults. > >[...] > >I don't understand why you're seeing segfaults. What version of Catalyst are >you using, what is your perl -V, and do you have the latest version of >Variable::Magic installed? Also, if you could attach gdb and get the catalyst >process to segfault, then a backtrace from c land could be useful. The debugger works now(!). I've always had problems with it but hadn't tried it for a while. Maybe a library got updated. Thanks for the tips! KR, Gunnar ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/ ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
On 28 Jun 2009, at 16:50, Gunnar Strand wrote: Thanks for th tip! I'll see if I can nail it down - the template structure isn't just that one file - I am using the "wrapper" support in TT. Right. I'd start by blanking the actual template, which will at least tell you if it's the template or the wrapper, and work from there.. Is there any way of running the server in a debugger or to turn tracing on? Can I send a signal to it to get it to dump a stack trace somehow? Any attempt I've made so far just results in nothing or segmentation faults. well, I guess something like: $SIG{WINCH} = sub { Carp::cluck('here'); } + a SIGWINCH might be helpful. Or just alarm(3); in your controller action - should cause an exception (and so stack trace in debug mode) after 3s.. I don't understand why you're seeing segfaults. What version of Catalyst are you using, what is your perl -V, and do you have the latest version of Variable::Magic installed? Also, if you could attach gdb and get the catalyst process to segfault, then a backtrace from c land could be useful. Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
>On 28 Jun 2009, at 07:35, Gunnar Strand wrote: >> [debug] Rendering template "users/create_form.tt2" >> [info] Request took 795.658106s (0.001/s) >> .+---. >> | Action | Time | >> ++---+ >> | /users/create | 0.005603s | >> | /end | 795.6377s | >> | -> Cupper::View::TT->process | 795.6356s | >> '+---' >> >> As you can see, "end" has hanged in 795 seconds, and this output was not >> printed until AFTER I hit "Stop" in Firefox. Below is the code in >> users/create: >> > >This shows that the template processing is going into an infinite loop. > >Something in users/create_form.tt2 is going mad. I'd replace it with a blank >template, check that fixes the issue, >then work backwards from there, >re-adding chunks of code until you find the culprit. > Thanks for th tip! I'll see if I can nail it down - the template structure isn't just that one file - I am using the "wrapper" support in TT. Is there any way of running the server in a debugger or to turn tracing on? Can I send a signal to it to get it to dump a stack trace somehow? Any attempt I've made so far just results in nothing or segmentation faults. KR, Gunnar ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/ ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Hangs in RenderView in "end"
On 28 Jun 2009, at 07:35, Gunnar Strand wrote: [debug] Rendering template "users/create_form.tt2" [info] Request took 795.658106s (0.001/s) . +---. | Action | Time | + +---+ | /users/create | 0.005603s | | /end | 795.6377s | | -> Cupper::View::TT->process | 795.6356s | ' +---' As you can see, "end" has hanged in 795 seconds, and this output was not printed until AFTER I hit "Stop" in Firefox. Below is the code in users/create: This shows that the template processing is going into an infinite loop. Something in users/create_form.tt2 is going mad. I'd replace it with a blank template, check that fixes the issue, then work backwards from there, re-adding chunks of code until you find the culprit. Cheers t0m ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/