HADOOP-13669. Addendum patch 2 for KMS Server should log exceptions before throwing.

(cherry picked from commit 09ef97dccbd4c11aaeedf7503d414f999435ad91)

hadoop-common-project/hadoop-kms/dev-support/findbugsExcludeFile.xml

@@ -43,6 +43,6 @@
   -->
   <Match>
     <Class name="org.apache.hadoop.crypto.key.kms.server.KMS"/>
-    <Bug pattern="REC"/>
+    <Bug pattern="REC_CATCH_EXCEPTION"/>
   </Match>
 </FindBugsFilter>