I am using CentOS 6.5. The Apache HTTP server (httpd) is dead for an unknown reason. I cannot visit http://localhost/
anymore. When I tried to restart httpd, it failed (Error message shown below).
==================================================================
Error message when running sudo service httpd restart
Stopping httpd: [FAILED]
Starting httpd: [ OK ]
Error message stored in /var/log/httpd/error_log
[Tue Feb 04 14:44:57 2014] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Tue Feb 04 14:44:57 2014] [notice] Digest: generating secret for digest authentication ...
[Tue Feb 04 14:44:57 2014] [notice] Digest: done
*** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x00007f74adda42c0 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x76166)[0x7f74bea04166]
/usr/lib64/libstdc++.so.6(_ZNSs6assignERKSs+0x85)[0x7f74adb4e565]
/usr/lib64/libkolabxml.so.0(_ZN3xsd3cxx4tree19type_serializer_mapIcE13register_typeERKSt9type_infoRKNS0_3xml14qualified_nameIcEEPFvRN11xercesc_3_010DOMElementERKNS1_5_typeEEb+0x180)[0x7f74a2a73a70]
/usr/lib64/libkolabxml.so.0(_ZN3xsd3cxx4tree19type_serializer_mapIcEC1Ev+0xd2)[0x7f74a2a80232]
/usr/lib64/libkolabxml.so.0(+0x2145be)[0x7f74a2b035be]
/usr/lib64/libkolabxml.so.0(+0x21c766)[0x7f74a2b0b766]
======= Memory map: ========
7f74a1f2d000-7f74a1f38000 r-xp 00000000 fd:00 1874878 /usr/lib64/libossp-uuid.so.16.0.21
TRUNCATED DUE TO CHARACTER LIMIT
Thank you for your time and help.