CentOS 6 httpd killed by update

Question

Panic Mode commences! I installed updates yesterday.

On restart, httpd yielded:

Starting httpd: /usr/sbin/httpd: symbol lookup error: `/usr/lib64/libaprutil-1.so.0: undefined symbol: apr_os_uuid_get

Running ldd -r generates the same message:

ldd -r /usr/sbin/httpd
        linux-vdso.so.1 =>  (0x00007fffe82d9000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f121e5fd000)
        libpcre.so.0 => /lib64/libpcre.so.0 (0x00007f121e3d1000)
        libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f121e1b1000)
        libaprutil-1.so.0 => /usr/lib64/libaprutil-1.so.0 (0x00007f121df8d000)
        libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f121dd56000)
        libexpat.so.1 => /lib64/libexpat.so.1 (0x00007f121db2d000)
        libdb-4.7.so => /lib64/libdb-4.7.so (0x00007f121d7b9000)
        libapr-1.so.0 => /usr/lib/libapr-1.so.0 (0x00007f121d587000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f121d369000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f121cfd5000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007f121cdd1000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f121eae5000)
        libuuid.so.1 => /lib64/libuuid.so.1 (0x00007f121cbcc000)
        libfreebl3.so => /lib64/libfreebl3.so (0x00007f121c953000)
        librt.so.1 => /lib64/librt.so.1 (0x00007f121c74b000)
undefined symbol: apr_os_uuid_get       (/usr/lib64/libaprutil-1.so.0)

Short of downloading apache source, what are the options.

I already did a yum clean all and made sure I'm using only the base repositories. No updates available, yadda.

I'm downloading the apache2 source code while I await the obvious quick-fix answer.

Answer 1

You have an extraneous 32bit version of libapr installed. Visible in the following line.

libapr-1.so.0 => /usr/lib/libapr-1.so.0 (0x00007f121d587000)

You can find out what package owns that file by running rpm -qf /usr/lib/libapr-1.so.0 .

That package might need upgrading (or removal if it is unused).