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Posted to dev@tomcat.apache.org by bu...@apache.org on 2005/04/12 23:23:15 UTC
DO NOT REPLY [Bug 34423] New: - Permissions for jk_log_lock not being set correctly for APR_USE_FLOCK_SERIALIZE

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http://issues.apache.org/bugzilla/show_bug.cgi?id=34423

           Summary: Permissions for jk_log_lock not being set correctly for
                    APR_USE_FLOCK_SERIALIZE
           Product: Tomcat 5
           Version: Unknown
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Native:JK
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: allan@saddi.com


I was trying out mod_jk 1.2.10 with Apache 2.0.53 on FreeBSD when I noticed these errors messages in 
the log:

...
[Tue Apr 12 03:18:00 2005] [crit] (13)Permission denied: mod_jk: could not init JK log lock in child
[Tue Apr 12 03:18:00 2005] [crit] (13)Permission denied: mod_jk: could not init JK log lock in child
[Tue Apr 12 03:18:00 2005] [crit] (13)Permission denied: mod_jk: could not init JK log lock in child
...

Upon further examination, it appeared to be caused by wrong permissions on the lock. (It remained 
owned by, and only readable/writable by root.) It seems unixd_set_global_mutex_perms() was not being 
called when APR_USE_FLOCK_SERIALIZE was set (as it is on FreeBSD).

The fix is fairly simple: change the conditional tests for APR_USE_SYSVSEM_SERIALIZE to also include 
APR_USE_FLOCK_SERIALIZE, i.e. from

  #if APR_USE_SYSVSEM_SERIALIZE

to

  #if APR_USE_SYSVSEM_SERIALIZE || APR_USE_FLOCK_SERIALIZE

Output of httpd -V:

Server version: Apache/2.0.53
Server built:   Feb 16 2005 13:42:04
Server's Module Magic Number: 20020903:9
Architecture:   32-bit
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_FLOCK_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D HTTPD_ROOT="/usr/local"
 -D SUEXEC_BIN="/usr/local/bin/suexec"
 -D DEFAULT_PIDLOG="/var/run/httpd.pid"
 -D DEFAULT_SCOREBOARD="/var/run/apache_runtime_status"
 -D DEFAULT_LOCKFILE="/var/run/accept.lock"
 -D DEFAULT_ERRORLOG="/var/log/httpd-error.log"
 -D AP_TYPES_CONFIG_FILE="etc/apache2/mime.types"
 -D SERVER_CONFIG_FILE="etc/apache2/httpd.conf"

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