tomcat load-on-startup
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tomcat load-on-startup参数说明
The load-on-startup element indicates that this servlet should be loaded(instantiated and have its init() called) on the startup of the web application. The optional contents of these element must be an integer indicating the order in which the servlet should be loaded. If the value is a negative integer, or the element is not present, the container is free to load the servlet whenever it chooses. If the value is a positive integer or 0, the container must load and initialize the servlet as the application is deployed. The container must guarantee that servlets marked with lower integers are loaded before servlets marked with higher integers. The container may choose the order of loading of servlets with the same load-on-start-up value.
load-on-startup元素表明这个servlet在应用程序启动时就会被加载(实例化并且调用init()方法)。可随意设置的元素参数必须是一个整数,用来指明哪个servlet会被加载。如果数值是一个负数,或者元素没有值,容器会在它被调用的时候加载servlet;如果数值是正数或者0,容器在应用程序部署之后就会加载servlet。容器必须保证数值低的servlets在数值高的servlets之前被加载。当load-on-startup元素值相同时容器会自己选择加载servlets的顺序。
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