This seems a Connection time out to the name node so you may want to check if there is any Network issue or something else going on with CM's help. That should give you some clue. ... View more

@USMAN_HAIDER  There is this step below did you perform that? Kerberos must be specified as the security mechanism for Hadoop infrastructure, starting with the HDFS service. Enable Cloudera Manager Server security for the cluster on an HDFS service. After you do so, the Cloudera Manager Server automatically enables Hadoop security on the MapReduce and YARN services associated with that HDFS service. In the Cloudera Manager Admin Console: Select Clusters > HDFS-n. 1.Click the Configuration tab. 2.Select HDFS-n for the Scope filter. 3.Select Security for the Category filter. 4.Scroll (or search) to find the Hadoop Secure Authentication property. 5.Click the Kerberos button to select Kerberos: Please revert             ... View more

@SheltonThank you so much ... View more