[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1148) Validators.validate() fails with NPE when expressionString is null

Thu Apr 5 10:00:58 EDT 2007

Validators.validate() fails with NPE when expressionString is null
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                 Key: JBSEAM-1148
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1148
             Project: JBoss Seam
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.1.6.GA
         Environment: Any
            Reporter: Mike Quilleash

public InvalidValue[] validate(FacesContext context, String propertyExpression, Object value)

The propertyExpression, which is extracted from a ValueBinding, by ModelValidator, may be null in some circumstances.  I use custom ValueExpression implementations in a couple of places which are not derived from an EL string so return null from getExpressionString().

validate() should probably check for null and quietly 'return new InvalidValue[ 0 ]' like it does when it cannot parse the expression string properly.

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