[jboss-jira] [JBoss JIRA] (DROOLS-319) "Unknown boolean operator" RuntimeException

[David Tombs (JIRA)]

David Tombs created DROOLS-319:
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             Summary: "Unknown boolean operator" RuntimeException
                 Key: DROOLS-319
                 URL: https://issues.jboss.org/browse/DROOLS-319
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.5.0.Final
         Environment: Windows 8, java version "1.7.0_40"
            Reporter: David Tombs
            Assignee: Mark Proctor


Steps to reproduce:
# Create a decision table with something like {{fooString != ""}} in the constraint and {{true}} in the rule cell.
# Execute the rule against a few objects.

Actual Result:
An internal Drools thread will crash with {{java.lang.RuntimeException: Unknown boolean operator}} when trying to compile {{fooString != "" == true}}.

Expected Result:
Even if an Exception is thrown, the currently-thrown exception is too low level and took me lots of investigation and debugging inside the drools code to figure out what I did wrong.

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