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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/validator/trunk@1441676 13f79535-47bb-0310-9956-ffa450edef68
Fix potential NPE error

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/validator/trunk@1441677 13f79535-47bb-0310-9956-ffa450edef68