https://community.cloudera.com/t5/Support-Questions/Unable-to-access-HDFS-from-CDSW-session/m-p/299041#M219474 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/29629">@GangWar</a>&nbsp;I do confirm that I am able to list the HDFS files from the CDSW master node:</P><P>&nbsp;</P><LI-CODE lang="markup">[root@cdsw-master-01 ~]# hdfs dfs -ls / Found 3 items drwxr-xr-x - hbase hbase 0 2020-06-29 19:23 /hbase drwxrwxrwt - hdfs supergroup 0 2020-06-29 21:05 /tmp drwxr-xr-x - hdfs supergroup 0 2020-06-29 21:44 /user</LI-CODE><P>&nbsp;</P><P>Have re-deployed client configurations and refreshed the cluster.</P><P>Have restarted NN roles.</P><P>Do confirm that the HDFS gateway roles are available on the CDSW hosts:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="CDSW_HDFS_access_error.png" style="width: 806px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/28153i3CA2F3D8FDCED129/image-size/large?v=v2&amp;px=999" role="button" title="CDSW_HDFS_access_error.png" alt="CDSW_HDFS_access_error.png" /></span></P><P>Please clarify what you mean by "Form CDSW host doc a list on HDFS".</P><P>From a CDSW session input prompt I try to access HDFS, however still get the error:</P><P>&nbsp;</P><LI-CODE lang="markup">!hdfs dfs -ls / {"type":"log","host":"host_name","category":"HDFS-hdfs-GATEWAY-BASE","level":"WARN","system":"etcd_clcm_std_3C_2E_3W_cdh","time": "20/07/02 09:08:35","logger":"hdfs.DFSUtilClient","timezone":"UTC","log":{"message":"Namenode for namenodeHA remains unresolved for ID namenode43. Check your hdfs-site.xml file to ensure namenodes are configured properly."}} {"type":"log","host":"host_name","category":"HDFS-hdfs-GATEWAY-BASE","level":"WARN","system":"etcd_clcm_std_3C_2E_3W_cdh","time": "20/07/02 09:08:35","logger":"hdfs.DFSUtilClient","timezone":"UTC","log":{"message":"Namenode for namenodeHA remains unresolved for ID namenode57. Check your hdfs-site.xml file to ensure namenodes are configured properly."}}</LI-CODE><P>&nbsp;</P><P>Hence would appreciate your further assistance in the troubleshooting.</P> Thu, 02 Jul 2020 10:01:03 GMT Marek 2020-07-02T10:01:03Z