title: How to access s3a:// files from Apache Spark?
body: <p>Hadoop 2.6 doesn't support s3a out of the box, so I've tried a series of solutions and fixes, including:</p>
  
  <p>deploy with hadoop-aws and aws-java-sdk => cannot read environment variable for credentials
  add hadoop-aws into maven => various transitive dependency conflicts</p>
  
  <p>Has anyone successfully make both work?</p>