Log message on SCI error

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1454953 13f79535-47bb-0310-9956-ffa450edef68
Update file name for ServiceLoader

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1454957 13f79535-47bb-0310-9956-ffa450edef68