tomcat中配置热加载,在conf/server.xml中修改配置, 如
<Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true" > <!-- SingleSignOn valve, share authentication between web applications Documentation at: /docs/config/valve.html --> <!-- <Valve className="org.apache.catalina.authenticator.SingleSignOn" /> --> <Context docBase="../webapps/ROOT" path="/" reloadable="true" /> <!-- Access log processes all example. Documentation at: /docs/config/valve.html Note: The pattern used is equivalent to using pattern="common" --> <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" prefix="localhost_access_log." suffix=".txt" pattern="%h %l %u %t "%r" %s %b" /> </Host>
重要的配置就一行,如
假如你在生产环境(如电信机房、阿里、腾讯托管主机) 有正在运行的web服务,远程替换个类再重启比较麻烦(重启期间会中断服务一定时间),而你又非常想热替换个别class无需重启,这时候热加载就派上用场了。。
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