hadoop kerberos操作

diagnostics: Application application_1542706493784_0005 failed 2 times due to AM Container for appattempt_1542706493784_0005_000002 exited with  exitCode: -1000
Failing this attempt.Diagnostics: [2018-11-20 17:48:05.088]Application application_1542706493784_0005 initialization failed (exitCode=255) with output: main : command provided 0
main : run as user is xxxx
main : requested yarn user is xxxx
User xxxx not found

因为在hadoop集群中没有创建xxx用户