"wrong ELF class" error when starting Tomcat on Satellite

Issue

• upgraded satellite server and had no errors during the upgrade
• cannot connect to the webUI anymore
• 503 service temporary unavailable

• errors in /var/log/httpd/error_log:

  [Thu Nov 18 17:07:32 2010] [error] proxy: AJP: failed to make connection to backend: localhost
  [Thu Nov 18 17:07:36 2010] [error] (111)Connection refused: proxy: AJP: attempt to connect to 127.0.0.1:8009 (*)
  

• errors in /var/log/tomcat5/catalina.out

  Exception in thread "com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2"
   Exception in thread "com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1"
   java.lang.UnsatisfiedLinkError: ocijdbc10 (/usr/lib/oracle/10.2.0.4/client64/lib/libocijdbc10.so:
   wrong ELF class: ELFCLASS64)java.lang.UnsatisfiedLinkError:
   ocijdbc10 (/usr/lib/oracle/10.2.0.4/client64/lib/libocijdbc10.so: wrong ELF class: ELFCLASS64)