解决报错http11.Http11Protocol-auto-null Protocol handler instantiation failed

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最新推荐文章于 2025-05-07 09:53:33 发布

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分类专栏： JAVA 文章标签： java tomcat

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本文详细解析了在Centos7环境中启动Tomcat9遇到的http11.Http11Protocol-auto-nullProtocolhandlerinstantiationfailed错误，并提供了解决方案。关键在于修改server.xml配置文件中的Connector元素，避免使用Http11AprProtocol，改用HTTP/1.1以启用SSL。

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Centos7启动Tomcat9会报错http11.Http11Protocol-auto-null Protocol handler instantiation failed

13-Jan-2020 23:02:48.010 SEVERE [main] org.apache.catalina.util.LifecycleBase.handleSubClassException Failed to initialize component [Connector[org.apache.coyote.http11.Http11Protocol-auto-null]]
	org.apache.catalina.LifecycleException: Protocol handler instantiation failed
		at org.apache.catalina.connector.Connector.initInternal(Connector.java:945)
		at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
		at org.apache.catalina.core.StandardService.initInternal(StandardService.java:533)
		at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
		at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:1057)
		at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
		at org.apache.catalina.startup.Catalina.load(Catalina.java:584)
		at org.apache.catalina.startup.Catalina.load(Catalina.java:607)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
		at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
		at java.base/java.lang.reflect.Method.invoke(Method.java:566)
		at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:303)
		at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)

tomcat/conf/server.xml中不要使用

    <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol" maxThreads="150" SSLEnabled="true"></Connector>

要用

    <Connector port="8443" protocol="HTTP/1.1" maxThreads="150" SSLEnabled="true"></Connector>