tomcat启动时报错：Caused by: java.lang.IllegalArgumentException: AJP连接器配置secretRequired="true",但是属性secret确实空或者空字符串，这样的组合是无效的。

31-Jan-2024 14:01:13.812 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["http-nio-8080"]
31-Jan-2024 14:01:13.818 严重 [main] org.apache.catalina.core.StandardService.startInternal Failed to start connector [Connector[AJP/1.3-8009]]
    org.apache.catalina.LifecycleException: 协议处理器启动失败
        at org.apache.catalina.connector.Connector.startInternal(Connector.java:1102)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.StandardService.startInternal(StandardService.java:444)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:770)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:688)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
    Caused by: java.lang.IllegalArgumentException: AJP连接器配置secretRequired="true",但是属性secret确实空或者空字符串，这样的组合是无效的。
        at org.apache.coyote.ajp.AbstractAjpProtocol.start(AbstractAjpProtocol.java:274)
        at org.apache.catalina.connector.Connector.startInternal(Connector.java:1099)
        ... 12 more
31-Jan-2024 14:01:13.819 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 383 ms

tomcat的sever.xml中有个属性secretRequired需要给设置值：

<Connector protocol="AJP/1.3" port="8009" redirectPort="8443" />

设置secretRequired=“”

<Connector protocol="AJP/1.3" port="8009" redirectPort="8443" secretRequired=""/>