08-Dec-2017 09:03:36.024 SEVERE [main]
org.apache.catalina.realm.UserDatabaseRealm.startInternal Exception
looking up UserDatabase under key [UserDatabase]
javax.naming.NamingException: The processing instruction target
matching "[xX][mM][lL]" is not allowed.
    at org.apache.naming.NamingContext.lookup(NamingContext.java:856)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:173)
    at org.apache.catalina.realm.UserDatabaseRealm.startInternal
(UserDatabaseRealm.java:230)
    at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at
org.apache.catalina.realm.CombinedRealm.startInternal
(CombinedRealm.java:252)
    at org.apache.catalina.realm.LockOutRealm.startInternal
(LockOutRealm.java:120)
    at org.apache.catalina.util.LifecycleBase.start
(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase.startInternal
(ContainerBase.java:926)
    at org.apache.catalina.core.StandardEngine.startInternal
(StandardEngine.java:262)
    at org.apache.catalina.util.LifecycleBase.start
(LifecycleBase.java:150)
    at org.apache.catalina.core.StandardService.startInternal
(StandardService.java:422)
    at org.apache.catalina.util.LifecycleBase.start
(LifecycleBase.java:150)
    at org.apache.catalina.core.StandardServer.startInternal
(StandardServer.java:793)
    at org.apache.catalina.util.LifecycleBase.start
(LifecycleBase.java:150)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:670)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start
(Bootstrap.java:353)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:493)

<role rolename="manager-gui"/>
<role rolename="manager-status"/>
<role rolename="manager-script"/>
<role rolename="manager-jmx"/>
<role rolename="admin-gui"/>
<role rolename="admin-script"/>
<user username="tomcat" password="tomcat" roles="manager-gui,manager-
status,manager-script,manager-jmx,admin-gui,admin-script"/>