原因：
使用root用户运行spark代码
解决方法：使用非管理员账户运行spark即可
[userone@localhost bin]$ ./add-user.sh
What type of user do you wish to add?
a) Management User (mgmt-users.properties)
b) Application User (application-users.properties)
(a): b
Enter the details of the new user to add.
Realm (ApplicationRealm) : ApplicationRealm ---->> Careful Here . You need to type this or leave it blank . I filled an incorrect value here and things went wrong from there .
Username : testuser
Password : testpassword
Re-enter Password : testpassword
What roles do you want this user to belong to? (Please enter a comma separated list, or leave blank for none) : testrole
About to add user 'testuser' for realm 'ApplicationRealm'
Is this correct yes/no? yes
Added user 'testuser' to file '/home/userone/jboss-as-7.1.0.Final/standalone/configuration/application-users.properties'
Added user 'testuser' to file '/home/userone/jboss-as-7.1.0.Final/domain/configuration/application-users.properties'
Added user 'testuser' with roles testrole to file '/home/userone/jboss-as-7.1.0.Final/standalone/configuration/application-roles.properties'
Added user 'testuser' with roles testrole to file '/home/userone/jboss-as-7.1.0.Final/domain/configuration/application-roles.properties'
.