$ cd /usr/local/spark/sbin
$ sh start-history-server.sh

Exception in thread "main" java.lang.ClassNotFoundException: org.apache.hadoop.fs.s3a.S3AFileSystem
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.spark.util.Utils$.classForName(Utils.scala:230)
....

spark.hadoop.fs.s3a.impl org.apache.hadoop.fs.s3a.S3AFileSystem
spark.history.provider org.apache.hadoop.fs.s3a.S3AFileSystem
spark.history.fs.logDirectory s3a://xxxxxxxxxxxxx
spark.eventLog.enabled true
spark.eventLog.dir s3a://xxxxxxxxxxxxxxx

aws-java-sdk-1.7.4.jar
hadoop-aws-2.7.3.jar