I didn't need to .. e.g. I added this "free form drl" in to one of my rules "then" part, and it validated it successfully. You just need to provide a fully qualified name .. e.g. java.util.Vector, instead of just Vector. [cid:image001.jpg@01CC1616.2C861CA0] -----Original Message----- From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of boy18nj Sent: Wednesday, May 18, 2011 10:53 PM To: rules-users(a)lists.jboss.org Subject: [rules-users] Import java.util*, java.math* inside Guvnor BRL? Hi, In order to import java.util* classes inside Guvnor rules, do I need to upload java,util* jar file. For example-, I am using BigDecimal amount = BigDecimal.ZERO; It complains unknown class or Illegal statement BigDecimal -- View this message in context: http://drools.46999.n3.nabble.com/Import-java-util-java-math-inside-Guvno... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users