tomcat manager

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在点击tomcat manager的时候提示以下内容：

You are not authorized to view this page.

By default the Host Manager is only accessible from a browser running on the same machine as Tomcat. If you wish to modify this restriction, you'll need to edit the Host Manager'scontext.xml file.

If you have already configured the Host Manager application to allow access and you have used your browsers back button, used a saved book-mark or similar then you may have triggered the cross-site request forgery (CSRF) protection that has been enabled for the HTML interface of the Host Manager application. You will need to reset this protection by returning to themain Host Manager page. Once you return to this page, you will be able to continue using the Host Manager appliction's HTML interface normally. If you continue to see this access denied message, check that you have the necessary permissions to access this application.

If you have not changed any configuration files, please examine the file conf/tomcat-users.xml in your installation. That file must contain the credentials to let you use this webapp.

For example, to add the admin-gui role to a user named tomcat with a password ofs3cret, add the following to the config file listed above.

Note that for Tomcat 7 onwards, the roles required to use the host manager application were changed from the singleadmin role to the following two roles. You will need to assign the role(s) required for the functionality you wish to access.

admin-gui - allows access to the HTML GUI
admin-script - allows access to the text interface

The HTML interface is protected against CSRF but the text interface is not. To maintain the CSRF protection:

Users with the admin-gui role should not be granted the admin-script role.
If the text interface is accessed through a browser (e.g. for testing since this interface is intended for tools not humans) then the browser must be closed afterwards to terminate the session.

这是因为两个地方可能有问题

第一个地方：

$TOMCAT_HOME/webapps/manager/META-INF/context.xml文件中

配置有问题，因为只允许本机访问所以其他人无法访问，只需加入本机ip即可

第二个地方：

$TOMCAT_HOME/conf/tomcat-users.xml