I'm starting the datanode using /usr/hdp/2.4.2.0-258/hadoop/sbin/hadoop-daemon.sh start datanode I think there may be an environment variable related, but I also tried to source . /etc/hadoop/conf/./hadoop-env.sh Here is the complete error I'm getting: 2016-07-11 18:21:06,436 ERROR datanode.DataNode (DataNode.java:secureMain(2545)) - Exception in secureMain java.lang.RuntimeException: Cannot start secure DataNode without configuring either privileged resources or SASL RPC data transfer protection and SSL for HTTP. Using privileged resources in combination with SASL RPC data transfer protection is not supported. at org.apache.hadoop.hdfs.server.datanode.DataNode.checkSecureConfig(DataNode.java:1217) at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1103) at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:432) at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2423) at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2310) at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2357) at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2538) at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2562) 2016-07-11 18:21:06,438 INFO util.ExitUtil (ExitUtil.java:terminate(124)) - Exiting with status 1 2016-07-11 18:21:06,445 INFO datanode.DataNode (LogAdapter.java:info(47)) - SHUTDOWN_MSG: ... View more

Found hadoop-core-1.0.3.jar is for v1 only, and haven't found which ones to use with v2. I got Sandbox, but could not fine the correct client jar to use. Could you please point it out? ... View more