David Mansfield created OGNL-50:
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             Summary: OgnlOps.equal fails for two non-numeric objects that are 
not Comparable 
                 Key: OGNL-50
                 URL: https://issues.apache.org/jira/browse/OGNL-50
             Project: Commons OGNL
          Issue Type: Bug
            Reporter: David Mansfield


OgnlOps.equal calls OgnlOps.isEqual, which, for two objects of some class X 
which are not equal according to X.equals() method, will then call 
OgnlOps.compareWithConversion. This method will throw an 
IllegalArgumentException on or around line 92 unless the class is a Comparable. 
 This exception is wrong or is not caught properly in the isEqual method.

How about wrapping the compareWithConversion in isEqual in a try/catch?

I'm currently using ognl 3.0.1 but I checked latest code in SVN and it doesn't 
appear any different.

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