升级Tomcat版本 apache-tomcat-7.0.77
diff --git a/tomcat-uid/conf/tomcat-users.xml b/tomcat-uid/conf/tomcat-users.xml
index 34e268d..410d18f 100644
--- a/tomcat-uid/conf/tomcat-users.xml
+++ b/tomcat-uid/conf/tomcat-users.xml
@@ -19,18 +19,23 @@
 <!--

   NOTE:  By default, no user is included in the "manager-gui" role required

   to operate the "/manager/html" web application.  If you wish to use this app,

-  you must define such a user - the username and password are arbitrary.

+  you must define such a user - the username and password are arbitrary. It is

+  strongly recommended that you do NOT use one of the users in the commented out

+  section below since they are intended for use with the examples web

+  application.

 -->

 <!--

-  NOTE:  The sample user and role entries below are wrapped in a comment

-  and thus are ignored when reading this file. Do not forget to remove

-  <!.. ..> that surrounds them.

+  NOTE:  The sample user and role entries below are intended for use with the

+  examples web application. They are wrapped in a comment and thus are ignored

+  when reading this file. If you wish to configure these users for use with the

+  examples web application, do not forget to remove the <!.. ..> that surrounds

+  them. You will also need to set the passwords to something appropriate.

 -->

 <!--

   <role rolename="tomcat"/>

   <role rolename="role1"/>

-  <user username="tomcat" password="tomcat" roles="tomcat"/>

-  <user username="both" password="tomcat" roles="tomcat,role1"/>

-  <user username="role1" password="tomcat" roles="role1"/>

+  <user username="tomcat" password="<must-be-changed>" roles="tomcat"/>

+  <user username="both" password="<must-be-changed>" roles="tomcat,role1"/>

+  <user username="role1" password="<must-be-changed>" roles="role1"/>

 -->

 </tomcat-users>