Defect #33138

Apache crashes with and RedmineCacheCredsMax active

Added by Dominik Bittl almost 3 years ago. Updated over 2 years ago.

Status:ResolvedStart date:
Priority:NormalDue date:
Assignee:-% Done:


Category:SCM extra
Target version:-
Resolution: Affected version:3.4.4



issue as described in the topic.

The Apache keeps crashing with when RedmineCacheCredsMax is set.

- What infos do you need further? Is there a way to debug this?


Ubuntu 18.04.4 LTS
Perl v5.26.1

#perl -V 
Summary of my perl5 (revision 5 version 26 subversion 1) configuration:

    uname='linux localhost 4.9.0 #1 smp debian 4.9.0 x86_64 gnulinux '
    config_args='-Dusethreads -Duselargefiles -Dcc=x86_64-linux-gnu-gcc -Dcpp=x86_64-linux-gnu-cpp -Dld=x86_64-linux-gnu-gcc -Dccflags=-DDEBIAN -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/perl-hx1dVS/perl-5.26.1=. -fstack-protector-strong -Wformat -Werror=format-security -Dldflags= -Wl,-Bsymbolic-functions -Wl,-z,relro -Dlddlflags=-shared -Wl,-Bsymbolic-functions -Wl,-z,relro -Dcccdlflags=-fPIC -Darchname=x86_64-linux-gnu -Dprefix=/usr -Dprivlib=/usr/share/perl/5.26 -Darchlib=/usr/lib/x86_64-linux-gnu/perl/5.26 -Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib/x86_64-linux-gnu/perl5/5.26 -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.26.1 -Dsitearch=/usr/local/lib/x86_64-linux-gnu/perl/5.26.1 -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1 -Dsiteman3dir=/usr/local/man/man3 -Duse64bitint -Dman1ext=1 -Dman3ext=3perl -Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Ud_ualarm -Uusesfio -Uusenm -Ui_libutil -Ui_xlocale -Uversiononly -DDEBUGGING=-g -Doptimize=-O2 -dEs -Duseshrplib'
#dpkg -l |grep apache
ii  apache2                            2.4.29-1ubuntu4.12                  amd64        Apache HTTP Server
ii  apache2-bin                        2.4.29-1ubuntu4.12                  amd64        Apache HTTP Server (modules and other binary files)
ii  apache2-data                       2.4.29-1ubuntu4.12                  all          Apache HTTP Server (common files)
ii  apache2-utils                      2.4.29-1ubuntu4.12                  amd64        Apache HTTP Server (utility programs for web servers)
ii  libapache-dbi-perl                 1.12-1                              all          interface connecting apache server to database via perl's DBI
ii  libapache2-mod-perl2               2.0.10-2ubuntu3.18.04.1             amd64        Integration of perl with the Apache2 web server
rc  libapache2-mod-shib2               2.6.1+dfsg1-2                       amd64        Federated web single sign-on system (Apache module)
ii  libapache2-mod-svn                 1.9.7-4ubuntu1                      amd64        Apache Subversion server modules for Apache httpd
ii  libapache2-reload-perl             0.13-1                              all          module for reloading Perl modules when changed on disk
        <IfModule dav_svn_module>
        PerlLoadModule Apache::Redmine
        SVNCompressionLevel 0
        <Location /repos/>
                DAV svn
                SVNParentPath /var/opt/apache/XXX/subversion/
                SVNListParentPath on
                SVNIndexXSLT "/repos-web/view/repos.xsl" 

                SVNPathAuthz off

                SVNAllowBulkUpdates Prefer
                SVNCacheRevProps on

                PerlAccessHandler Apache::Authn::Redmine::access_handler
                PerlAuthenHandler Apache::Authn::Redmine::authen_handler
                AuthType Basic
                AuthName "Redmine SVN Repository" 
                AuthUserFile /dev/null

                Require all denied
                Require all denied

                        Require valid-user

                     Require method GET PROPFIND OPTIONS REPORT HEAD POST
                        Require ip XXXX
                        Require env AllowIP



                #limit max size to 400MB
                LimitRequestBody 424288000
                LimitXMLRequestBody 8000000

                ## for mysql
                RedmineDSN "DBI:mysql:database=XXX;host=XXX;port=XXXX" 
                RedmineDbUser "XXXX" 
                RedmineDbPass "XXXXXXXXXXXXXXXXXXXXXXXXXXX" 

                #Cache the last 50 auth entries
                RedmineCacheCredsMax 500


#1 Updated by Go MAEDA almost 3 years ago

  • Category changed from Accounts / authentication to SCM extra

#2 Updated by Go MAEDA almost 3 years ago

  • Description updated (diff)

Could you paste related errors in the logs of Apache here if you find any?

#3 Updated by Dominik Bittl almost 3 years ago

Sadly there are no logs, even with debug log level.

[Fri Mar 13 10:30:21.540225 2020] [ssl:info] [pid 20705:tid 139956984929216] AH01887: Init: Initializing (virtual) servers for SSL
[Fri Mar 13 10:30:21.543388 2020] [ssl:info] [pid 20705:tid 139956984929216] AH01876: mod_ssl/2.4.29 compiled against Server: Apache/2.4.29, Library: OpenSSL/1.1.1

Then a timeout is reached and the apache start fails.

#4 Updated by Dominik Bittl over 2 years ago

  • Status changed from New to Resolved

I have switched the Apache module "mpm_event" to "mpm_prefork" no it works.

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