Note the newly documented XA properties that are used for connection caches.
com.sybase.jaguar.conncache.xa.conlibdll This property specifies the DLL, shared library, or JDBC driver class name used for a two-phase commit (XA) connection.
com.sybase.jaguar.conncache.xa.remotesvrname This property specifies the name of the server to connect to, which may be a URL for JDBC connection caches.
com.sybase.jaguar.conncache.xadllname This property specifies the XA resource DLL used to support two-phase commit transactions.