To generate the Agent for JBoss code, we use obfuscation. This might provoke conflict with package name and path from other applications. This problem will be solved in R12.52 SP1 CR09 which is expected to be released in Q2 2018
Agent for JBoss on JBoss 6.4.7 on RedHat 6.6 64bit jboss-12.52-sp01-cr06-linux.zip Java version 1.8.0_92 with JCE patch
Upgrade to Agent for JBoss 12.52SP1CR09 when available to solve this problem.
CA Single Sign-On fix strategy: https://support.ca.com/phpdocs/7/5262/5262_fixstrategy.pdf
If you need to fix this while the CR09 has not been released yet, you can open a Support case to request a dev fix.