org.apache.catalina.LifecycleException: Protocol handler start failed ... Caused by: java.net.BindException: Address already in use: bind

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テンプレート

エラー内容

org.apache.catalina.LifecycleException: Protocol handler start failed
   at org.apache.catalina.connector.Connector.startInternal(Connector.java:1004) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.catalina.core.StandardService.addConnector(StandardService.java:226) [tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) [spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE]
   at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
   at com.example.demo.DemoJpaMysqlApplication.main(DemoJpaMysqlApplication.java:30) [classes/:na]
Caused by: java.net.BindException: Address already in use: bind
   at sun.nio.ch.Net.bind0(Native Method) ~[na:1.8.0_171]
   at sun.nio.ch.Net.bind(Unknown Source) ~[na:1.8.0_171]
   at sun.nio.ch.Net.bind(Unknown Source) ~[na:1.8.0_171]
   at sun.nio.ch.ServerSocketChannelImpl.bind(Unknown Source) ~[na:1.8.0_171]
   at sun.nio.ch.ServerSocketAdaptor.bind(Unknown Source) ~[na:1.8.0_171]
   at org.apache.tomcat.util.net.NioEndpoint.initServerSocket(NioEndpoint.java:236) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:210) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.tomcat.util.net.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1085) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1171) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:568) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) ~[tomcat-embed-core-9.0.14.jar:9.0.14]
   ... 14 common frames omitted