java - After downloading the tomcat installation package, and then entering startup.bat on the command line, a command that is not internal or external appears. Why and how to solve it?

Question

Downloaded the tomcat installation package, and then entered startup.bat on the command line. Why and how to solve the problem of a command that is not internal or external?
As mentioned, I have configured the Java operating environment and have been using eclipse without any problems. .
Finished, catalida home should be correct, there is no catalida base,y because the teaching video says that there is no need to match it, so there is no match.
But when I double-click startup.bat, cmd flashes back

How to solve it
I have been troubled for nearly 5 hours. Please ask God for an answer
Waiting online Waiting online Waiting online

Answer 1

It is recommended to try running it in cmd

Answer 2

1. startup.bat needs to be executed in the bin directory.

2. Are you sure CATALINA_HOME is configured under path?

3. You can use catalina.bat run in the bin directory to view log information in the current window.