HDFS-10760. DataXceiver#run() should not log InvalidToken exception as an error. Contributed by Pan Yuxuan.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java

@@ -312,6 +312,12 @@ public void run() {
         } else {
           LOG.info(s1 + "; " + t);          
         }
+      } else if (t instanceof InvalidToken) {
+        // The InvalidToken exception has already been logged in
+        // checkAccess() method and this is not a server error.
+        if (LOG.isTraceEnabled()) {
+          LOG.trace(s, t);
+        }
       } else {
         LOG.error(s, t);
       }