在安装和配置Tomcat的过程中,出现了Tomcat启动失败的问题。
21-Oct-2022 13:41:57.148 严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件[Connector[HTTP/1.1-8080]]失败。
org.apache.catalina.LifecycleException: 协议处理程序初始化失败
at org.apache.catalina.connector.Connector.initInternal(Connector.java:1055)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
at org.apache.catalina.core.StandardService.initInternal(StandardService.java:556)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:1045)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
at org.apache.catalina.startup.Catalina.load(Catalina.java:747)
at org.apache.catalina.startup.Catalina.load(Catalina.java:769)
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.load(Bootstrap.java:305)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:433)
at sun.nio.ch.Net.bind(Net.java:425)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at org.apache.tomcat.util.net.NioEndpoint.initServerSocket(NioEndpoint.java:246)
at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:201)
at org.apache.tomcat.util.net.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1192)
at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:1205)
at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:583)
at org.apache.coyote.http11.AbstractHttp11Protocol.init(AbstractHttp11Protocol.java:79)
at org.apache.catalina.connector.Connector.initInternal(Connector.java:1052)
... 13 more
出现这个问题的原因是Tomcat的默认端口8080被其他线程占用,因此解决这个问题可以采取关掉占用8080端口的线程的方法,或者采取更改Tomcat的端口的方法。
方法一(关掉占用8080端口的线程)
1、win+R 打开cmd, 输入命令: netstat -ano
netstat -ano
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/ee74cc2c1e7078a508cfadcf17561e41.jpg)
2、输入命令, 查找项目配置的端口号对应的tcp号(最后一列的数字) netstat -ano|findstr 8080
netstat -ano|findstr 8080
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/6181025ae09f978a49e2a23d23536975.jpg)
3、终止进程 taskkill /f /t /im 对应的进程
taskkill /f /t /im 对应的进程
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/5624b55a531e0cfa4c530f6e6ed3cf13.png)
出现该问题的原因是因为权限不够,可以通过搜索cmd,用管理员权限打开,然后输入命令终止进程。
方法二(更改Tomcat的端口)
1)找到tomcat目录/conf/server.xml
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/2ad39671ddd78568616fe9ad2503f96d.jpg)
2)修改port的值,将port端口的值修改为80
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/0aa4fa43d3557627baaf8f9f65140081.jpg)
启动Tomcat
1、运行startup.bat文件启动tomcat
startup.bat
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/c7fcaccf6813506731c4d1d1056e6037.jpg)
启动成功!
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/507f3e9b6185cc2be2308bb1e8bdee73.jpg)
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/058973656ac9f13e63d007e4042d12f4.jpg)
2、浏览器访问测试
端口8080:在浏览器中输入 http://localhost:8080/ 进行访问测试。
端口80:在浏览器中输入 http://127.0.0.1:80 或 http://127.0.0.1 进行访问测试。
最终成功启动。
![解决Tomcat启动失败:严重 [main] org.apache.catalina.util.LifecycleBase.handleSubClassException 初始化组件失败](https://asset.appfiles.xyz/d/file/20240608/1c571757d354aaa7fdd01d2c8c3974a8.jpg)

