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The user name and password are set as follows:

Settings within the <tomcat-users> tag in the Tomcat installation directory \conf\tomcat-users.xml:

<role rolename= "Manager"/>

<user username= "Me" password= "Isme" roles= "manager"/>

Excuse me, why is it rejected?

Locate the Tomcat-users.xml file in Conf under the Tomcat installation directory;
Turn to the end of the document;
Add <role rolename= "Manager-gui" to the permissions/>;
Add <user username= "admin" password= "admin" roles= "Manager-gui" in the role/> The user name and password can be determined by themselves;
Add the following:
<!--
<role rolename= "Manager-gui"/>
<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= "admin" password= "admin" roles= "Manager-gui"/>
</tomcat-users>

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