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From Jeff Trawick <traw...@gmail.com>
Subject Re: [users@httpd] Windows Apache 2.4.9 restarts itself
Date Sat, 28 Jun 2014 15:06:00 GMT
On Fri, Jun 27, 2014 at 7:53 AM, Jeff Trawick <trawick@gmail.com> wrote:

> On Thu, Jun 26, 2014 at 4:18 AM, Mar Imp <marimpimp@gmail.com> wrote:
>
>> Hi,
>>
>> Thank you for the response!
>>
>> I looked into child.c, and see that the first line in Error log:
>> (OS 6)The handle is invalid.  : AH00356: Child: WAIT_FAILED --
>> shutting down server
>> comes from:
>> child.c Line 1125+: rv = WaitForMultipleObjects(num_events, (HANDLE
>> *)child_events, FALSE, ……
>> This is the place that causes the restart.
>>
>
> Right...  The other code I pointed out is what makes this call different
> than before.
>
>
>
>>
>> The second line in the error log:
>> (OS 10038)An operation was attempted on something that is not a
>> socket.  : AH00344: accept() failed.
>> comes from:
>> child.c Line 641+: if (context->accept_socket == INVALID_SOCKET)
>> I guess the second line in the error log is just a consequence of the
>> server shutting down?
>>
>
> I expect so.
>
>
>>
>>
>> no, I can’t build httpd. It would be great if you could provide a
>> patched version that I could install in _production_ environment.
>>
>> I can’t reproduce the error on a test server, I can just install the
>> version on a productive server, and wait for the error to occur. The
>> error occurs sporadically.
>>
>> It is essential that the patch included in the build doesn’t break
>> things (particularly the ability of apache to restart when an error
>> happens).
>>
>
> The Apache Lounge folks would need to run the build for you to ensure that
> it has any patches you're currently using and that the toolchain is in sync.
>
> Right now I hope to make some permanent changes in the next couple of days
> to improve diagnostics in this area and commit the changes to httpd trunk.
>  At that point you might be able to get the Apache Lounge folks to roll
> them into a special build.  ???
>
>
Here are the diagnostic changes I added:

http://svn.apache.org/viewvc?view=revision&revision=1606368

Perhaps the Apache Lounge folks can get you a build of 2.4.9 with that in
it.


>
>
>>
>> As you found out, I use the apachelounge-build atm.
>>
>> Thank you for your help!
>>
>> Kind regards
>> Maria Imp
>>
>> 2014-06-24 15:59 GMT+02:00 Jeff Trawick <trawick@gmail.com>:
>> > On Tue, Jun 24, 2014 at 9:36 AM, Mar Imp <marimpimp@gmail.com> wrote:
>> >>
>> >> I face the problem, that Apache restarts itself unexpecteldy without
>> >> obvious reason.
>> >>
>> >> -> (OS 6)The handle is invalid.  : AH00356: Child: WAIT_FAILED --
>> >> shutting down server
>> >> -> (OS 10038)An operation was attempted on something that is not a
>> >> socket.  : AH00344: accept() failed.
>> >>
>> >> Apache Version:
>> >>   * Problem occurs on 2.4.9, both VC10 and VC11 compiled ones
>> >>   * Problem does NOT occur on 2.4.4
>> >> Operating System:
>> >>   * Microsoft Windows Server 2012 Standard
>> >>
>> >> The problem occurs since the Apache upgrade from 2.4.4 to 2.4.9.
>> >> At this moment I reverted to 2.4.4 again because the random restarts
>> >> cause downtimes.
>> >>
>> >>
>> >> Relevant configuration settings:
>> >> ThreadsPerChild 300
>> >> AcceptFilter http none
>> >> AcceptFilter https none
>> >> EnableSendfile off
>> >> EnableMMAP off
>> >>
>> >>
>> >> Apache works as a caching reverse proxy (mod_cache_disk)
>> >>
>> >>
>> >> Typical logfile fragment:
>> >> [log]
>> >> [Fri May 23 07:53:58.344457 2014] [mpm_winnt:crit] [pid 42540:tid 380]
>> >> (OS 6)The handle is invalid.  : AH00356: Child: WAIT_FAILED --
>> >> shutting down server
>> >> [Fri May 23 07:54:03.757607 2014] [mpm_winnt:warn] [pid 42540:tid
>> >> 4212] (OS 10038)An operation was attempted on something that is not a
>> >> socket.  : AH00344: accept() failed.
>> >> [Fri May 23 07:54:30.288807 2014] [mpm_winnt:notice] [pid 42540:tid
>> >> 380] AH00362: Child: Waiting 270 more seconds for 5 worker threads to
>> >> finish.
>> >> [Fri May 23 07:55:00.329552 2014] [mpm_winnt:notice] [pid 42540:tid
>> >> 380] AH00362: Child: Waiting 240 more seconds for 1 worker threads to
>> >> finish.
>> >> [Fri May 23 07:55:30.370221 2014] [mpm_winnt:notice] [pid 42540:tid
>> >> 380] AH00362: Child: Waiting 210 more seconds for 1 worker threads to
>> >> finish.
>> >> [Fri May 23 07:55:47.893020 2014] [mpm_winnt:notice] [pid 42540:tid
>> >> 380] AH00364: Child: All worker threads have exited.
>> >> [Fri May 23 07:55:48.010131 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00428: Parent: child process 42540 exited with status 0 --
>> >> Restarting.
>> >> [Fri May 23 07:55:48.801890 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00455: Apache/2.4.9 (Win64) OpenSSL/1.0.1g configured --
>> >> resuming normal operations
>> >> [Fri May 23 07:55:48.801890 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00456: Apache Lounge VC10 Server built: Mar 17 2014 12:11:31
>> >> [Fri May 23 07:55:48.801890 2014] [core:notice] [pid 36544:tid 516]
>> >> AH00094: Command line: 'C:\\Apache24\\bin\\httpd.exe -d C:/Apache24'
>> >> [Fri May 23 07:55:48.802891 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00418: Parent: Created child process 33888
>> >> [Fri May 23 07:55:50.263291 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00354: Child: Starting 300 worker threads.
>> >> [Fri May 23 11:58:09.232804 2014] [mpm_winnt:crit] [pid 33888:tid 380]
>> >> (OS 6)The handle is invalid.  : AH00356: Child: WAIT_FAILED --
>> >> shutting down server
>> >> [Fri May 23 11:58:10.710220 2014] [mpm_winnt:warn] [pid 33888:tid
>> >> 5008] (OS 10038)An operation was attempted on something that is not a
>> >> socket.  : AH00344: accept() failed.
>> >> [Fri May 23 11:58:28.546422 2014] [mpm_winnt:warn] [pid 33888:tid
>> >> 3320] (OS 10038)An operation was attempted on something that is not a
>> >> socket.  : AH00344: accept() failed.
>> >> [Fri May 23 11:58:41.169814 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00362: Child: Waiting 270 more seconds for 8 worker threads to
>> >> finish.
>> >> [Fri May 23 11:59:11.208219 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00362: Child: Waiting 240 more seconds for 3 worker threads to
>> >> finish.
>> >> [Fri May 23 11:59:41.245781 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00362: Child: Waiting 210 more seconds for 1 worker threads to
>> >> finish.
>> >> [Fri May 23 12:00:11.277011 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00362: Child: Waiting 180 more seconds for 1 worker threads to
>> >> finish.
>> >> [Fri May 23 12:00:41.305795 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00362: Child: Waiting 150 more seconds for 1 worker threads to
>> >> finish.
>> >> [Fri May 23 12:01:11.335526 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00362: Child: Waiting 120 more seconds for 1 worker threads to
>> >> finish.
>> >> [Fri May 23 12:01:15.840009 2014] [mpm_winnt:notice] [pid 33888:tid
>> >> 380] AH00364: Child: All worker threads have exited.
>> >> [Fri May 23 12:01:15.953118 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00428: Parent: child process 33888 exited with status 0 --
>> >> Restarting.
>> >> [Fri May 23 12:01:16.820952 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00455: Apache/2.4.9 (Win64) OpenSSL/1.0.1g configured --
>> >> resuming normal operations
>> >> [Fri May 23 12:01:16.820952 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00456: Apache Lounge VC10 Server built: Mar 17 2014 12:11:31
>> >> [Fri May 23 12:01:16.820952 2014] [core:notice] [pid 36544:tid 516]
>> >> AH00094: Command line: 'C:\\Apache24\\bin\\httpd.exe -d C:/Apache24'
>> >> [Fri May 23 12:01:16.820952 2014] [mpm_winnt:notice] [pid 36544:tid
>> >> 516] AH00418: Parent: Created child process 24388
>> >> [Fri May 23 12:01:18.308375 2014] [mpm_winnt:notice] [pid 24388:tid
>> >> 376] AH00354: Child: Starting 300 worker threads.
>> >> [/log]
>> >>
>> >> Have you got any idea, why this can happen?
>> >>
>> >> In the windows eventlog I can't find any relevant entries at the time
>> >> that apache restarts.
>> >>
>> >> Please help if you can
>> >>
>> >> Kind Regards
>> >> Maria Imp
>> >>
>> >> ---------------------------------------------------------------------
>> >> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
>> >> For additional commands, e-mail: users-help@httpd.apache.org
>> >>
>> >
>> > I just found this thread too, which also contains this information from
>> you
>> > a few weeks ago:
>> >
>> > https://www.apachelounge.com/viewtopic.php?p=27848
>> >
>> > The apparent code change that triggered this is that the httpd child now
>> > detects when the httpd parent crashes or is terminated forcefully.  It
>> would
>> > appear that this process handle is no longer valid after some period of
>> > time:
>> >
>> >  child_events[2] = OpenProcess(SYNCHRONIZE, FALSE, parent_pid);
>> >  num_events = 3;
>> >
>> > Some of the other logs in the apachelounge.com post show that the
>> parent was
>> > able to successfully restart the child after this error, so presumably
>> the
>> > handle doesn't go bad simply because the parent exits.
>> >
>> > Are you able to build httpd yourself?  I could prepare a test patch to
>> > narrow down what is going wrong.
>> >
>> > --
>> > Born in Roswell... married an alien...
>> > http://emptyhammock.com/
>> > http://edjective.org/
>> >
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
>> For additional commands, e-mail: users-help@httpd.apache.org
>>
>>
>
>
> --
> Born in Roswell... married an alien...
> http://emptyhammock.com/
> http://edjective.org/
>
>


-- 
Born in Roswell... married an alien...
http://emptyhammock.com/
http://edjective.org/

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