初學spring boot，按照網上教程，用eclipse +maven+spring boot 創建了一個項目，運行後，雖然我多次更改端口，總是報錯如下。
Description:
The Tomcat connector configured to listen on port 135 failed to start. The port may already be in use or the connector may be misconfigured.
我再查了查端口，狀態是“listening”，請問問題在哪？
***********問題補充3/7/2019***********
首先謝謝各位回復，可是我改了“8080”（其實之前我已試過不同的端口），還是報錯如下：
. ____ _ __ _ _
/\ / ' __ _ ()_ __ __ _ \ \ \ \
( ( )\_ | '_ | '_| | '_ \/ ` | \ \ \ \
\/ __)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |___, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.1.RELEASE)
2019-07-03 04:04:11.952 INFO 16132 --- [ main] com.example.demo.DemoApplication : Starting DemoApplication on LAPTOP-FAS0SHLM with PID 16132 (C:\Users\yueho\eclipse-workspace\demo\target\classes started by yueho in C:\Users\yueho\eclipse-workspace\demo)
2019-07-03 04:04:11.962 INFO 16132 --- [ main] com.example.demo.DemoApplication : No active profile set, falling back to default profiles: default
2019-07-03 04:04:15.019 INFO 16132 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 17500 (http)
2019-07-03 04:04:15.082 INFO 16132 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-07-03 04:04:15.089 INFO 16132 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.13
2019-07-03 04:04:15.106 INFO 16132 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jdk1.8.0_92\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program Files/Java/jre1.8.0_92/bin/server;C:/Program Files/Java/jre1.8.0_92/bin;C:/Program Files/Java/jre1.8.0_92/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\WINDOWS\System32\OpenSSH\;C:\Program Files\Java\jdk1.8.0_92\bin;C:\Program Files\Java\jdk1.8.0_92\jre\bin;C:\Users\yueho\AppData\Local\Microsoft\WindowsApps;;C:\Users\yueho\OneDrive\Desktop;;.]
2019-07-03 04:04:15.371 INFO 16132 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2019-07-03 04:04:15.372 INFO 16132 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 3260 ms
2019-07-03 04:04:15.828 INFO 16132 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2019-07-03 04:04:16.256 ERROR 16132 --- [ main] org.apache.catalina.util.LifecycleBase : Failed to start component [Connector[HTTP/1.1-17500]]
org.apache.catalina.LifecycleException: Protocol handler start failed
at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) [tomcat-embed-core-9.0.13.jar:9.0.13]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) [spring-context-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
at com.example.demo.DemoApplication.main(DemoApplication.java:10) [classes/:na]
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method) ~[na:1.8.0_92]
at sun.nio.ch.Net.bind(Net.java:433) ~[na:1.8.0_92]
at sun.nio.ch.Net.bind(Net.java:425) ~[na:1.8.0_92]
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) ~[na:1.8.0_92]
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) ~[na:1.8.0_92]
at org.apache.tomcat.util.net.NioEndpoint.initServerSocket(NioEndpoint.java:236) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:210) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.tomcat.util.net.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1149) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
at org.apache.catalina.connector.Connector.startInternal(Connector.java:998) ~[tomcat-embed-core-9.0.13.jar:9.0.13]
... 14 common frames omitted
2019-07-03 04:04:16.287 INFO 16132 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-07-03 04:04:16.345 INFO 16132 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-07-03 04:04:16.348 ERROR 16132 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
APPLICATION FAILED TO START
Description:
The Tomcat connector configured to listen on port 17500 failed to start. The port may already be in use or the connector may be misconfigured.
Action:
Verify the connector's configuration, identify and stop any process that's listening on port 17500, or configure this application to listen on another port.
2019-07-03 04:04:16.367 INFO 16132 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor'
再查了一下端口，狀態是“listening”。
***********問題補充4/7/2019***********
謝謝，不過沒有找到server.xml和web.xml。
我是用maven自帶tomcat+springboot
***********問題補充5/7/2019***********
我發現
