ATG documents how to enable non-XA resources in JBoss 4.2 for SOLID. We ended up following the same instructions to work with Oracle.
JBoss Note: JBoss 4.2 by default assumes XA drivers, which some ATG applications use; however, there are no XA drivers for SOLID. To enable multiple non-XA resources in JBoss 4.2, add the property to the jbossjta-properties.xml file, under the “arjuna” property tag:
You may still see warnings in your log file, but ATG applications will run correctly. To suppress these warnings, add the following to your jboss-log4j.xml file: