[rules-users] Strange MVEL error

[Shah, Malay]

Hi All,
 
I am trying to compile a drool rule using MVEL dialect and getting the
following weird error. 
 
Unable to determine the used declarations.

unbalanced braces (near code: << ... core1_entityOID); ...>>) (position:
33) : [Rule name=Legacy ETSDB Rule, agendaGroup=MAIN, salience=0,
no-loop=false]

org.mvel.ParseException: unbalanced braces (near code: << ...
core1_entityOID); ...>>) (position: 33)Unable to build expression for
'consequence'

 
The code I am trying to compile is:
 
package S_124
import com.ms.ieddata.dataQuality.violation.Violation;
import com.ms.ieddata.etsdb.model.EtsExecution_core;
import com.ms.ieddata.etsdb.model.EtsExecutionOrder_core;
global java.util.HashSet violations;
global java.util.HashSet violationKeys;

dialect "mvel"

rule "Legacy ETSDB Rule"

when
EtsExecution_core1:EtsExecution_core(crossInd == "1" , lastCapacity !=
"3" , lastDestinationID not in ("EUREX","IDEM","MEFF","LIFFE"))
EtsExecutionOrder_core1:EtsExecutionOrder_core(entityOID ==
EtsExecution_core1.parentOID , exDestination in ("I","L") ,
swapComponentType != "swaps" , orderCapacity not in
("D","R","X","L","E","T","C","O","P","S"),EtsExecutionOrder_core1_entity
OID:entityOID,EtsExecutionOrder_core1_application:application,EtsExecuti
onOrder_core1_entityVID:entityVID)

then

String key="S-124_EtsExecution_core" + "_entityVID_" +
"EtsExecutionOrder_core1_entityVID" + "_application_" +
"EtsExecutionOrder_core1_application" + "_entityOID_" + 
"EtsExecutionOrder_core1_entityOID";

vPresent = violationKeys.contains(key);

if (!vPresent)
{
     violation = new Violation();
     violation.putRuleActionAttribute("ruleId","S-124");
     violation.putRuleActionAttribute("ruleName","Legacy ETSDB Rule");
     violation.putRuleActionAttribute("legacyRuleType","1");
     violation.putRuleActionAttribute("entityName","EtsExecution_core");
     violation.putRuleActionAttribute("fieldName","Field");
 
violation.putRuleActionAttribute("entityVID",EtsExecutionOrder_core1_ent
ityVID);
 
violation.putRuleActionAttribute("application",EtsExecutionOrder_core1_a
pplication);
 
violation.putRuleActionAttribute("entityOID",EtsExecutionOrder_core1_ent
ityOID);
}
 
end
 
The code works fine when I use java dialect. Also, if I remove the if
statement from consequence, the code get compiled in mvel and java
dialects. Am I missing something obvious here? I am using drools 4.0.1.
 
Thanks
 
Malay Shah
Morgan Stanley | IDEAS Practice Areas
750 Seventh Avenue, 6th Floor | New York, NY  10019
Phone: +1 212 762-4495
Malay.Shah at morganstanley.com

 

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