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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072

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Oct 8, 2009, 9:10 AM

Post #1 of 22 (1841 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Rob Apgood <rob [at] apgood> changed:

What |Removed |Added
----------------------------------------------------------------------------
Component|flood |Core
Version|unspecified |2.2.14
Product|Apache httpd-test |Apache httpd-2

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bugzilla at apache

Oct 8, 2009, 10:20 AM

Post #2 of 22 (1784 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #1 from Rob Apgood <rob [at] apgood> 2009-10-08 10:20:16 PDT ---
And, no, this is not a duplicate of Bug # 40506

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bugzilla at apache

Oct 8, 2009, 11:57 AM

Post #3 of 22 (1785 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Rob Apgood <rob [at] apgood> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED

--- Comment #2 from Rob Apgood <rob [at] apgood> 2009-10-08 11:57:49 PDT ---
After digging around in the net, I discovered a posting by someone on
stackoverflow.com that suggested moving php5apache.dll & libmysql.dll to the
windows/system32 directory. Well, 2.2.14 doesn't have a libmysql.dll, but it
does have a php5apache2_2.dll. I copied it to the system32 directory, and all
of my problems disappeared. Might want to add that to the installation for
windows notes.

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bugzilla at apache

Oct 8, 2009, 12:11 PM

Post #4 of 22 (1785 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Rob Apgood <rob [at] apgood> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |

--- Comment #3 from Rob Apgood <rob [at] apgood> 2009-10-08 12:11:47 PDT ---
scratch that. While it fixed the problem of loading plain html files from the
virtual directory, php files still fall over. I will continue looking at it.

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bugzilla at apache

Oct 8, 2009, 12:24 PM

Post #5 of 22 (1784 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #4 from Will Rowe <wrowe [at] apache> 2009-10-08 12:24:24 PDT ---
comment #2 is a red herring. Add appropriate PATH dirs to the *systemwide*
environment, and don't forget to reboot because they are not updated when
services are started and stopped.

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bugzilla at apache

Oct 8, 2009, 12:27 PM

Post #6 of 22 (1792 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Will Rowe <wrowe [at] apache> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |NEEDINFO

--- Comment #5 from Will Rowe <wrowe [at] apache> 2009-10-08 12:27:43 PDT ---
We can't evaluate what's going on unless you provide a backtrace, refer to
http://httpd.apache.org/dev/debugging.html and
http://www.apache.org/dist/httpd/binaries/win32/#source

Note it might be necessary to install WinDbg in later versions of Windows,
where Dr. Watson is no longer an option. In any case, if you can provide
the backtrace we can definatively finger what's going on in httpd, and
otherwise we'll close this incident if there is no response.

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bugzilla at apache

Oct 8, 2009, 4:34 PM

Post #7 of 22 (1783 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #6 from Rob Apgood <rob [at] apgood> 2009-10-08 16:34:56 PDT ---
Thank you. I'll do the backtrace et al. and get back to you on this.

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bugzilla at apache

Oct 8, 2009, 5:43 PM

Post #8 of 22 (1787 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #7 from Rob Apgood <rob [at] apgood> 2009-10-08 17:43:12 PDT ---
I cannot find a symbols file for apache 2.2.14. I have looked on several
mirrors and on the apache.org site, but can't seem to locate the file. Please
advise.

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bugzilla at apache

Oct 8, 2009, 9:29 PM

Post #9 of 22 (1777 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #8 from Will Rowe <wrowe [at] apache> 2009-10-08 21:29:47 PDT ---
Take a quick look, that was my mistake. Those hadn't been moved up to the site
and I just sent them up now.

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bugzilla at apache

Oct 9, 2009, 9:50 AM

Post #10 of 22 (1767 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

bugzilla at apache

Oct 9, 2009, 11:47 AM

Post #11 of 22 (1765 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #10 from Rob Apgood <rob [at] apgood> 2009-10-09 11:46:58 PDT ---
Will,

minotaur (your mail server) bounced my mail back to me. how do i get the
backtraces to you?

i created a snapshot while httpd.exe was idle, but was servicing the initial
virtual host in my list, and another when httpd aborted when i attempted to
access www2.carpelaw.com. hence, the plural of backtrace.

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bugzilla at apache

Oct 9, 2009, 12:07 PM

Post #12 of 22 (1770 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #12 from Rob Apgood <rob [at] apgood> 2009-10-09 12:07:30 PDT ---
Created an attachment (id=24370)
--> (https://issues.apache.org/bugzilla/attachment.cgi?id=24370)
pre-abort backtrace

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bugzilla at apache

Oct 9, 2009, 12:08 PM

Post #13 of 22 (1765 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #13 from Rob Apgood <rob [at] apgood> 2009-10-09 12:08:38 PDT ---
Created an attachment (id=24371)
--> (https://issues.apache.org/bugzilla/attachment.cgi?id=24371)
in abort backtrace

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bugzilla at apache

Oct 9, 2009, 12:09 PM

Post #14 of 22 (1766 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #14 from Rob Apgood <rob [at] apgood> 2009-10-09 12:09:13 PDT ---
If I would only open my eyes... doh!

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bugzilla at apache

Oct 14, 2009, 12:23 PM

Post #15 of 22 (1651 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #15 from Rob Apgood <rob [at] apgood> 2009-10-14 12:23:39 UTC ---
Will, have you folks been able to determine what is causing my server to fall
over? I couldn't see a "FAULT HERE -->" in the backtrace.

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bugzilla at apache

Oct 14, 2009, 8:15 PM

Post #16 of 22 (1649 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #16 from Will Rowe <wrowe [at] apache> 2009-10-14 20:14:57 UTC ---
Sorry, I had meant "FAULT ->"

In both I see this in DbgBreakPoint - implying either you are interrupting the
process rather than letting it crash (don't invoke DrWtsn32.exe -g for this
sort of situation, just let httpd crash and look into the resulting crash
dump.)

That, or an assert() was triggered, with very little context. You had unpacked
the symbols for the correct rev, such that httpd.pdb sits in the same dir
alongside httpd.exe?

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bugzilla at apache

Oct 15, 2009, 2:57 PM

Post #17 of 22 (1626 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #17 from Rob Apgood <rob [at] apgood> 2009-10-15 14:57:38 UTC ---
Yes, the pdb files are in the same directory as the exe's. I ensured that I
unpacked the pdb's for the version of apache that I am running
(apache_2.2.14-win32-x86-no_ssl-symbols.zip for
apache_2.2.14-win32-x86-no_ssl.msi installation).

The backtrace sequence I followed was:
1. Start apache (httpd.exe is running)
2. Open task manager and identify the pid for the httpd with lots of threads
(67 on my machine)
3. Execute my PHP script and wait for httpd to abort attempting to access
memory location 0x00000000
3. When abort occurs, I leave the error window for the aborting httpd and in a
cmd window, I execute the following: drwtsn32 -p <pid#>

That's the "in abort backtrace" I uploaded for you (id=24371).

And, I agree, the backtrace doesn't tell us much. I'm not sure if we would
gain much by and interactive dbg, but I can try one if you like. I have an old
version of Visual Studio ('97), but I doubt that it will be able to handle the
new MS text. Can gdb identify the MS tags (I have used gcc for so long, I have
no idea how MS constructs their binaries)?

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bugzilla at apache

Oct 21, 2009, 10:25 AM

Post #18 of 22 (1449 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #18 from Rob Apgood <rob [at] apgood> 2009-10-21 10:24:55 UTC ---
Will,
Have you made any progress on diagnosing the reason whey httpd.exe is aborting?
I am still production bound.
Thanks.

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Oct 29, 2009, 11:40 AM

Post #19 of 22 (1264 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Rob Apgood <rob [at] apgood> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |LATER

--- Comment #19 from Rob Apgood <rob [at] apgood> 2009-10-29 11:40:46 UTC ---
Apache/2.2.14 (Win32) PHP/5.3.1 RC1
mysqlnd 5.0.5-dev - 081106 - $Revision: 286739 $

PHP 5 manual sez...
"mysql_close() closes the non-persistent connection to the MySQL server that's
associated with the specified link identifier. If link_identifier isn't
specified, the last opened link is used. "

Not true in this version. You MUST supply the link identifier in mysql_close()
or httpd.exe falls over trying to read memory located @ 0x00000000.

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Oct 29, 2009, 11:48 AM

Post #20 of 22 (1264 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Eric Covener <covener [at] gmail> changed:

What |Removed |Added
----------------------------------------------------------------------------
Resolution|LATER |INVALID

--- Comment #20 from Eric Covener <covener [at] gmail> 2009-10-29 11:48:43 UTC ---
laer->invalid -- PHP, not Apache.

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Oct 29, 2009, 12:55 PM

Post #21 of 22 (1269 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Rob Apgood <rob [at] apgood> changed:

What |Removed |Added
----------------------------------------------------------------------------
Resolution|INVALID |REMIND

--- Comment #21 from Rob Apgood <rob [at] apgood> 2009-10-29 12:55:26 UTC ---
Well, whoever is responsible for php_mysql.dll needs to fix it.

"Faulting application httpd.exe, version 2.2.14.0, faulting module
php_mysql.dll, version 5.3.1.0, fault address 0x00002072"

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Oct 29, 2009, 12:58 PM

Post #22 of 22 (1258 views)
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[Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072 [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

Jeff Trawick <trawick [at] apache> changed:

What |Removed |Added
----------------------------------------------------------------------------
Resolution|REMIND |INVALID

--- Comment #22 from Jeff Trawick <trawick [at] apache> 2009-10-29 12:58:32 UTC ---
Your PHP mysql extension (php_mysql.dll) which is crashing is not from this
projec.

Report the problem to the PHP folks at php.net.

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