Traceback (most recent call last):
File "/var/lib/ambari-agent/cache/common-services/OOZIE/4.0.0.2.0/package/scripts/oozie_server.py", line 150, in <module>
OozieServer().execute()
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 327, in execute
method(env)
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 879, in restart
self.pre_upgrade_restart(env, upgrade_type=upgrade_type)
File "/var/lib/ambari-agent/cache/common-services/OOZIE/4.0.0.2.0/package/scripts/oozie_server.py", line 123, in pre_upgrade_restart
OozieUpgrade.prepare_libext_directory(upgrade_type=upgrade_type)
File "/var/lib/ambari-agent/cache/common-services/OOZIE/4.0.0.2.0/package/scripts/oozie_server_upgrade.py", line 94, in prepare_libext_directory
source_ext_zip_paths = oozie.get_oozie_ext_zip_source_paths(upgrade_type, params)
File "/var/lib/ambari-agent/cache/common-services/OOZIE/4.0.0.2.0/package/scripts/oozie.py", line 230, in get_oozie_ext_zip_source_paths
source_ext_js_path = "/usr/share/" + params.source_stack_name.upper() + "-oozie/" + params.ext_js_file
AttributeError: 'NoneType' object has no attribute 'upper'