Error (OSError: [Errno 17] File exists) occurring while installing the HDF Management pack - hdf-ambari-mpack-3.1.2.0-7 while upgrading existing HDP (Sandbox) with HDF. Version :- Ambari 2.6.1 / HDP 2.6.4 Tried removing the existing softlinks from below paths and still it was un-successful rm -rf /var/lib/ambari-server/resources/common-services/NIFI rm -rf /var/lib/ambari-server/resources/common-services/REGISTRY rm -rf /var/lib/ambari-server/resources/common-services/STREAMLINE rm -rf /var/lib/ambari-server/resources/common-services/SOLR rm -rf /var/lib/ambari-server/resources/mpacks rm -rf /var/lib/ambari-server/resources/stacks/HDF Error:- [root@sandbox]# ambari-server install-mpack --mpack=/tmp/hdf-ambari-mpack-3.1.2.0-7.tar.gz --verbose Using python /usr/bin/python Installing management pack INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Installing management pack /tmp/hdf-ambari-mpack-3.1.2.0-7.tar.gz INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Download management pack to temp location /var/lib/ambari-server/data/tmp/hdf-ambari-mpack-3.1.2.0-7.tar.gz INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Expand management pack at temp location /var/lib/ambari-server/data/tmp/hdf-ambari-mpack-3.1.2.0-7 INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Stage management pack hdf-ambari-mpack-3.1.2.0-7 to staging location /var/lib/ambari-server/resources/mpacks/hdf-ambari-mpack-3.1.2.0-7 INFO: Processing artifact hdf-service-definitions of type service-definitions in /var/lib/ambari-server/resources/mpacks/hdf-ambari-mpack-3.1.2.0-7/common-services INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Symlink: /var/lib/ambari-server/resources/common-services/NIFI/1.0.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/NIFI/1.1.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/NIFI/1.2.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/NIFI/1.5.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/NIFI_REGISTRY/0.1.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/REGISTRY/0.3.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/STREAMLINE/0.5.0 INFO: Symlink: /var/lib/ambari-server/resources/common-services/STREAMLINE/0.6.0 INFO: Processing artifact hdf-stack-definitions of type stack-definitions in /var/lib/ambari-server/resources/mpacks/hdf-ambari-mpack-3.1.2.0-7/stacks INFO: Loading properties from /etc/ambari-server/conf/ambari.properties INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/configuration INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/hooks INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/kerberos.json INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/metainfo.xml INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/properties INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/repos INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/role_command_order.json INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/AMBARI_INFRA INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/AMBARI_METRICS INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/KAFKA INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/KERBEROS INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/LOGSEARCH INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/NIFI INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/RANGER INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/STORM INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/ZOOKEEPER INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/services/stack_advisor.py INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.0/widgets.json INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/metainfo.xml INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/repos INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/services/KAFKA INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/services/NIFI INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/services/RANGER INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/services/STORM INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/services/ZOOKEEPER INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/services/stack_advisor.py INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/2.1/upgrades INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/configuration INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/metainfo.xml INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/properties INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/repos INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/KAFKA INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/NIFI INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/RANGER INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/REGISTRY INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/STORM INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/STREAMLINE INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/ZOOKEEPER INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/services/stack_advisor.py INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.0/upgrades INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/configuration INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/metainfo.xml INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/properties INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/repos INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/KAFKA INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/NIFI INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/NIFI_REGISTRY INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/REGISTRY INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/STORM INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/STREAMLINE INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/services/stack_advisor.py INFO: Symlink: /var/lib/ambari-server/resources/stacks/HDF/3.1/upgrades INFO: Processing artifact hdp-addon-services of type stack-addon-service-definitions in /var/lib/ambari-server/resources/mpacks/hdf-ambari-mpack-3.1.2.0-7/hdp-addon-services/HDF/3.0 INFO: Loading properties from /etc/ambari-server/conf/ambari.properties Traceback (most recent call last): File "/usr/sbin/ambari-server.py", line 952, in <module> mainBody() File "/usr/sbin/ambari-server.py", line 922, in mainBody main(options, args, parser) File "/usr/sbin/ambari-server.py", line 874, in main action_obj.execute() File "/usr/sbin/ambari-server.py", line 78, in execute self.fn(*self.args, **self.kwargs) File "/usr/lib/python2.6/site-packages/ambari_server/setupMpacks.py", line 896, in install_mpack (mpack_metadata, mpack_name, mpack_version, mpack_staging_dir, mpack_archive_path) = _install_mpack(options, replay_mode) File "/usr/lib/python2.6/site-packages/ambari_server/setupMpacks.py", line 794, in _install_mpack process_stack_addon_service_definitions_artifact(artifact, artifact_source_dir, options) File "/usr/lib/python2.6/site-packages/ambari_server/setupMpacks.py", line 554, in process_stack_addon_service_definitions_artifact sudo.symlink(source_service_version_path, dest_link) File "/usr/lib/python2.6/site-packages/resource_management/core/sudo.py", line 123, in symlink os.symlink(source, link_name) OSError: [Errno 17] File exists Please assist. @nshelke @Vincent Jiang ... 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