KeyError:u'flink'错误:错误:无法运行自定义钩子脚本 ['/ usr / bin / python', '/var/lib/ambari-agent/cache/stack-hooks/before-ANY/scripts/hook.py', 'ANY','/ var / lib / ambari-agent / data / command-2413.json', '/ var / lib / ambari-agent / cache / stack-hooks / before-ANY', '/var/lib/ambari-agent/data/structured-out-2413.json','INFO', '/ var / lib / ambari-agent / tmp','PROTOCOL_TLSv1_2','']