On Wed, Jan 27, 2010 at 10:29 PM, Esteban Aliverti <esteban.aliverti@gmail.com> wrote:

Same problem here but in a Rule containing an accumulate:

rule "fromAccumulateRule"

dialect "mvel"

when

fc : Car( ) from accumulate ( Car( b : brand)

init( Car c= new Car(); ),

action( c.brand = c.brand + b; ),

result( c )

)

then

insert (fc);

end

The error is the same:

Caused by: org.drools.RuntimeDroolsException: [Error: unable to access property (null parent): b]

[Near : {... Unknown ....}]
A full stacktrace is available here: http://drools.pastebin.com/f1638db0e

Best,

On Tue, Jan 26, 2010 at 10:24 PM, Barry Kaplan <groups1@memelet.com> wrote:

Ok, I see from previous posts that we are having mvel issues. Cool.
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