IBMJDK
See: https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-5.3.x-JDK6-RHEL6-matrix-CI/118/jdk=ibm16,label_exp=RHEL6%26%26x86_64/testReport/org.jboss.test.jca.test/TxConnectionManagerStressTestCase/