With 4.0.0 i am getting the run time exception on functions. what could be the problem *Exception* ** * java.lang.NullPointerException * at org.drools.base.ClassTypeResolver.resolveType( *ClassTypeResolver.java:127*) at org.drools.rule.builder.dialect.java.JavaFunctionBuilder.build(* JavaFunctionBuilder.java:72*) at org.drools.rule.builder.dialect.java.JavaDialect.addFunction (* JavaDialect.java:434*) at org.drools.compiler.PackageBuilder.addFunction(*PackageBuilder.java:350 *) at org.drools.compiler.PackageBuilder.addPackage(*PackageBuilder.java:259* ) at org.drools.compiler.PackageBuilder.addPackageFromDrl (* PackageBuilder.java:147*) at com.drools.sample.ParseDRL.readRuleFromDrl(*ParseDRL.java:86 *) at com.drools.sample.ParseDRL.main(*ParseDRL.java:25*) Exception in thread "main" *My Function:* * * *function* *double* getROI(loanAmount){ *double* roI=0.0;* **if*( loanAmount <= 499000 ) roI = 18;* **else* *if*( loanAmount <= 999000 )* *roI = 17; * **else* *if*( loanAmount <= 1990000 )* *roI = 14.5 ;* **else* *if*( loanAmount <= 3990000 )* *roI = 12; * **else* *if*( loanAmount <= 7490000 )* *roI = 11.5 ;* **else* *if*( loanAmount > 7490000 )* *roI = 9.99 ;* **return* roI; } Thanks Natraj Gudla _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users

Isn't the problem that the function parameter (loanAmount) doesn't have a type? Or am I missing something? Dean. On 7/25/07, Edson Tirelli <tirelli(a)post.com&gt; wrote: > > Natraj, > > Can you try it with the 4.0GA release please? We fixed a couple issues > related to functions for the final release. > > []s > Edson > > > 2007/7/24, Natraj Gudla < natraj.forums(a)gmail.com&gt;: > > > > With 4.0.0 i am getting the run time exception on functions. what could be > the problem > > > > Exception > > > > > > > > java.lang.NullPointerException > > > > at > org.drools.base.ClassTypeResolver.resolveType(ClassTypeResolver.java :127) > > at > org.drools.rule.builder.dialect.java.JavaFunctionBuilder.build( JavaFunctionBuilder.java:72) > > at > org.drools.rule.builder.dialect.java.JavaDialect.addFunction > (JavaDialect.java:434) > > at > org.drools.compiler.PackageBuilder.addFunction(PackageBuilder.java:350 > ) > > at > org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:259) > > at org.drools.compiler.PackageBuilder.addPackageFromDrl > (PackageBuilder.java:147) > > at > com.drools.sample.ParseDRL.readRuleFromDrl(ParseDRL.java:86 > ) > > at com.drools.sample.ParseDRL.main(ParseDRL.java:25) > > Exception in thread "main" > > > > > > > > My Function: > > > > function double getROI(loanAmount){ > > > > > > > > double roI=0.0; > > if( loanAmount <= 499000 ) > > roI = 18; > > else if( loanAmount <= 999000 ) > > roI = 17; > > else if( loanAmount <= 1990000 ) > > roI = 14.5 ; > > else if( loanAmount <= 3990000 ) > > roI = 12; > > else if( loanAmount <= 7490000 ) > > roI = 11.5 ; > > else if( loanAmount > 7490000 ) > > roI = 9.99 ; > > return roI; > > > > > > > > } > > > > Thanks > > Natraj Gudla > > > > > > _______________________________________________ > > rules-users mailing list > > rules-users(a)lists.jboss.org > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > > > -- > Edson Tirelli > Software Engineer - JBoss Rules Core Developer > Office: +55 11 3529-6000 > Mobile: +55 11 9287-5646 > JBoss, a division of Red Hat @ www.jboss.com > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users