This article specifies the Liferay support policy for IBM JDKs. It addresses support coverage unique to IBM Java distributions, not already addressed in the JDKs policy.
For more information, please see the JDKs policy.
Liferay Digital Experience Platform (DXP)
Liferay Portal EE
IBM JDK 7 is only compatible with Liferay Portal EE 6.1 GA2 and above.
IBM JDK 5 and Websphere 6.1 are not compatible with Liferay 6.1 EE GA3.
Websphere 8 is not compatible with JDK 7.