启动有个异常，是什么意思？不影响使用，能启动项目。

Question

websocket服务器启动,端口8668
14:47:31.061 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : []
14:47:31.063 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-starter/target/classes/, /spring-boot-autoconfigure/target/classes/, /spring-boot-starter-[\w-]+/, /spring-boot/target/classes/, /spring-boot-actuator/target/classes/, /spring-boot-devtools/target/classes/]
14:47:31.063 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/D:/SVN/ynMonitorPlatform/ynMonitorPlatform/ynMonitorPlatform/target/classes/]
websocket服务器启动,端口8668
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 sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:67)
at org.java_websocket.server.WebSocketServer.run(WebSocketServer.java:283)
at java.lang.Thread.run(Thread.java:748)

. ____ _ __ _ _
/\ / ' __ _ ()_ __ __ _ \ \ \ \
( ( )\_ | '_ | '_| | '_ \/ ` | \ \ \ \
\/ __)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |___, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.5.2.RELEASE)

Answer 1

端口已经被占用了，应该是服务已经启动了，你又启动了一次