DO NOT REPLY [Bug 33500] New: - Warning messages in error_log of "Can't assign requested address: connect to listener".

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http://issues.apache.org/bugzilla/show_bug.cgi?id=33500

           Summary: Warning messages in error_log of "Can't assign requested
                    address: connect to listener".
           Product: Apache httpd-2.0
           Version: 2.0.52
          Platform: Other
        OS/Version: AIX
            Status: NEW
          Severity: normal
          Priority: P3
         Component: All
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: jackie@colostate.edu


I'm trying to install apache 2.0.52 on an AIX 5.1:
./configure                                 \
  CPPFLAGS=-D"OPENSSL_NO_KRB5"              \
  --prefix=/usr/local/etc/apache_2.0.52     \
  --enable-auth_dbm                         \
  --enable-proxy                            \
  --with-mpm=prefork                        \
  --enable-ssl=shared                       \
  --with-ssl=/usr/local/openssl_0.9.7e      \
  --enable-so                               \
  --enable-mods-shared=most                 \
  --enable-static-support                   \
  --enable-suexec                           \
  --with-suexec-caller=www                  \
  --with-suexec-userid=public_html          \
  --with-suexec-uidmin=10                   \
  --with-suexec-gidmin=100                  \
  --with-ndbm

Testing has been completed, and when I put it up on production so that the users
were putting a load on it, I saw the following in error_log:

[Mon Jan 31 21:30:05 2005] [warn] (68)Can't assign requested address: connect to
 listener
[Mon Jan 31 21:30:06 2005] [warn] (68)Can't assign requested address: connect to
 listener
[Mon Jan 31 21:30:07 2005] [warn] (68)Can't assign requested address: connect to
 listener
[Mon Jan 31 21:30:08 2005] [warn] (68)Can't assign requested address: connect to
 listener
[Mon Jan 31 21:30:09 2005] [warn] (68)Can't assign requested address: connect to
 listener
[Mon Jan 31 21:30:10 2005] [warn] (68)Can't assign requested address: connect to
 listener
[Mon Jan 31 21:30:11 2005] [warn] (68)Can't assign requested address: connect to
 listener

These errors messages are repeated throughout the log, one per second every few
seconds.  I saw over 640 of these warning messages in less than 2 hours of
running it in "production" mode with a load.  Sometimes there is a single
warning generated at a given time, or there could be up to 12 in a row spread
over the next 12 seconds.

My theory is that these warnings are related to the prefork MPM which is trying
to fork additional spare child servers.  I'm basing this on the fact that the
warnings occur once per second.  I have not changed any defaults as far as
MinSpareServers or MaxSpareServers.  My Listen directive is set to 80, since the
machine does answer to multiple IP addresses.

Thanks for any insight you can give me on these warnings.
Jackie

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