SpringBoot项目启动报错
ERROR 2172 --- [ main] o.s.boot.SpringApplication : Application startup failed
org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Jetty servlet container
at org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletContainer.start(JettyEmbeddedServletContainer.java:124) ~[spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:293) ~[spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:141) ~[spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) ~[spring-context-4.2.4.RELEASE.jar:4.2.4.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) ~[spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:764) [spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.SpringApplication.doRun(SpringApplication.java:357) [spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:305) [spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1124) [spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1113) [spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] at com.easemob.weichat.gateway.im.IMRoutewayServerStarter.main(IMRoutewayServerStarter.java:28) [classes/:na] Caused by: java.net.BindException: Address already in use at sun.nio.ch.Net.bind0(Native Method) ~[na:1.8.0_112] at sun.nio.ch.Net.bind(Net.java:433) ~[na:1.8.0_112] at sun.nio.ch.Net.bind(Net.java:425) ~[na:1.8.0_112] at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) ~[na:1.8.0_112] at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) ~[na:1.8.0_112] at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:321) ~[jetty-server-9.2.14.v20151106.jar:9.2.14.v20151106] at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80) ~[jetty-server-9.2.14.v20151106.jar:9.2.14.v20151106] at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:236) ~[jetty-server-9.2.14.v20151106.jar:9.2.14.v20151106] at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) ~[jetty-util-9.2.14.v20151106.jar:9.2.14.v20151106] at org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletContainer.start(JettyEmbeddedServletContainer.java:118) ~[spring-boot-1.3.1.RELEASE.jar:1.3.1.RELEASE] ... 10 common frames omitted
解决方法：
1.如果之前启动过别的SpringBoot项目，直接更改端口号即可。
2.如果是新项目，添加相关依赖，具体见 https://bbs.csdn.net/topics/391039574