We are deploying a new Cluster on Amazon AWS. All goes smooth until we reach the Install, Start And Test step. Installing the namenode service @ MasterNode gets this error : We've tried this "solutions" : https://community.hortonworks.com/questions/12663/hdp-install-issues-about-hdp-select.html https://community.hortonworks.com/questions/5811/install-of-hdp-fails-with-valueerror-invalid-liter.html File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 303, in _call raise ExecutionFailed(err_msg, code, out, err) resource_management.core.exceptions.ExecutionFailed: Execution of 'ambari-sudo.sh /usr/bin/hdp-select set all `ambari-python-wrap /usr/bin/hdp-select versions | grep ^2.6 | tail -1`' returned 1. ERROR: set command takes 2 parameters, instead of 1 usage: distro-select [-h] [<command>] [<package>] [<version>] Set the selected version of HDP. positional arguments: <command> One of set, status, versions, or packages <package> the package name to set <version> the HDP version to set optional arguments: -h, --help show this help message and exit -r, --rpm-mode if true checks if there is symlink exists and creates the symlink if it doesn't Commands: set : set the package to a specified version status : show the version of the package versions : show the currently installed versions packages : show the individual package names ... View more