Bug 17256 Exception due to bug 17208
bundles/org.eclipse.core.databinding/src/org/eclipse/core/databinding/validation/String2BytePrimitiveValidator.java
/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.databinding.validator.IValidator#isValid(java.lang.Object)
	 */
	public IStatus validate(Object value) {
		try {
			Byte.parseByte((String) value);
			return Status.OK_STATUS;
		} catch (Throwable t) {
			return ValidationStatus.error(getHint());
		}
	}
	private String getHint() {
		return BindingMessages.getString("Validate_RangeStart") + Byte.MIN_VALUE + 
				BindingMessages.getString("and") + Byte.MAX_VALUE + "."; 
	}
}