Fix issue where if parameter name is greater then max parameter name length a log error is written when devMode is false - see:  https://issues.apache.org/jira/browse/WW-4264

git-svn-id: https://svn.apache.org/repos/asf/struts/struts2/trunk@1553827 13f79535-47bb-0310-9956-ffa450edef68