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Introduction to the working principle of startup.bat in Tomcat
- 巴扎黑Original
- 2017-09-08 10:16:231795browse
In the Windows operating system, we only need to execute the startup.bat script to run tomcat. What is this startup.bat script? The following article will give you a detailed analysis of the relevant information about the startup.bat principle in Tomcat. Friends in need can refer to it. Let’s take a look together.
Preface
When I first came into contact with computers, I started with win2000, so I didn’t know much about batch script commands. I usually start TOMCAT by double-clicking startup.bat. I rarely read what is written in it. I also took the opportunity of studying TOMCAT to learn the common commands of batch processing. I don’t need to remember them all, but I hope that I will see batch processing commands again in the future. I can understand it clearly and tell what it does. This article mainly introduces to you the relevant content about the startup.bat principle in Tomcat. I won’t say much below, let’s take a look at the detailed introduction.
startup.bat parsing
Verify whether the CATALINA_HOME environment variable is set, if not set, pass CATALINA_HOME Search the catalina.bat file in the /bin directory to determine whether the CATALINA_HOME environment variable is valid. If catalina.bat is not found, goto end.
Verify whether catalina.bat exists. If it does not exist, end.
Determine whether startup.bat has parameters. If there are parameters, if so, assign them to the CMD_LINE_ARGS variable.
Execute catalina.bat through call and pass in parameters.
Summary
The function of startup.bat
Through analysis, it is found that the function of startup.bat is Help you find catalina.bat and execute it. It has no use except helping you find catalina.out.
Benefits of startup.bat
If you configure the environment variable of CATALINA_HOME, you can put startup.bat in any directory and you can start tomcat
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