[jboss-jira] [JBoss JIRA] (DROOLS-452) MVEL validates illegal expressions using ":"

[Davide Sottara (JIRA)]

Davide Sottara created DROOLS-452:
-------------------------------------

             Summary: MVEL validates illegal expressions using ":"
                 Key: DROOLS-452
                 URL: https://issues.jboss.org/browse/DROOLS-452
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
            Reporter: Davide Sottara
            Assignee: Mario Fusco
            Priority: Minor


A rule like this

{code}
rule "Typo"
dialect "mvel"
when
  ...
then
  // Notice the ":" in place of ";". There is also a \n at the end of the line
  System.out.println( "Hello" ):  
  // more statements here
end
{code}

MVEL will validate the RHS at compile time. 
At runtime, the printout (actually any statement ending with ":") will be
executed, but MVEL will fail silently thereafter. The rest of the conclusion
will not be evaluated.

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