[jboss-jira] [JBoss JIRA] Created: (JBRULES-783) NoViableAltException when parsing eval rules

Tue Apr 10 12:53:58 EDT 2007

NoViableAltException when parsing eval rules
--------------------------------------------

                 Key: JBRULES-783
                 URL: http://jira.jboss.com/jira/browse/JBRULES-783
             Project: JBoss Rules
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Drl Parser/Builder
    Affects Versions: 3.1-m1
         Environment: VISTA 64bit
            Reporter: John Howard
         Assigned To: Mark Proctor
            Priority: Minor

The following rules causes a NoViableAltException.  Although the exception is thrown the rule does appear to fire correctly

package com.sample

rule "Test Parse"

	when
		eval( 3==3 )
	then 
		System.out.println("OK");
end

NoViableAltException(-1!=[685:3: ( ( (LT|GT|LE|GE) shiftExpression )* | 'instanceof' typeSpec )]) in JavaParserParser

If the eval line is replaced by eval( 3>=3 ) then no exception is thrown

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