[rules-users] parsing error using accumulate

[Mark Proctor]

$media : Double(double value > 50000)


"double value" has a space in it? that's not a valid field accessor..

Mark
Isabelle Hupont wrote:
> Hi!
>
> I'm integrating Weka with Drools v.4 and I have a parsing error while trying
> to read the following DRL rule:
>
> rule "calculate average"
> 	when
> 		$inst : Instance()		
> 		$media : Double(double value > 50000)
> 		            from accumulate($value : inst.classValue()
> 				          average($value))	
> 	then
> 		System.out.println(media ); 
> end
>
> I have the following error: 
>
> org.drools.compiler.DroolsParserException: Unknown error while parsing. This
> is a bug. Please contact the Development team.
> 	at org.drools.compiler.DrlParser.compile(DrlParser.java:180)
> 	at org.drools.compiler.DrlParser.parse(DrlParser.java:61)
> 	at
> org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:158)
> 	at com.sample.DroolsTest.readRule(DroolsTest.java:67)
> 	at com.sample.DroolsTest.main(DroolsTest.java:24)
>
> What I am doing wrong?
> Thx
>