Java例外

Linuxシステムで実行中のプロジェクトに組み込みTomcatサーバーを起動できません。参考アイデアは以下の通りです



Unable Start Embedded Tomcat Server Appears Running Project Under Linux System



WindowsシステムからUbuntuシステムに切り替えたところ、再度実行すると以下のエラーが発生しました。私は問題を見つけました、そして問題に対処することはただ上を見ているだけではないことを私に知らせました

Unable to start embedded Tomcat server

次のヒントも確認する必要があります



Caused by: java.net.SocketException: Insufficient permissions

パーミッションが十分でないことを確認しました。1024未満のポートを使用する場合はルートパーミッションが必要なため、根本的な原因を見つけました。

以前は、application.propertiesの8080が80に変更されていましたが、現在は8080に戻すのが正常です。



Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2020-01-08 11:28:03.335 ERROR 3301 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:215) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:297) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:163) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) ~[spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at com.gongyisf.legend.wechat.WechatApplication.main(WechatApplication.java:14) [classes/:na] Caused by: java.lang.IllegalArgumentException: standardService.connector.startFailed at org.apache.catalina.core.StandardService.addConnector(StandardService.java:231) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:278) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] ... 10 common frames omitted Caused by: org.apache.catalina.LifecycleException: Protocol handler start failed at org.apache.catalina.connector.Connector.startInternal(Connector.java:1008) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.core.StandardService.addConnector(StandardService.java:227) ~[tomcat-embed-core-9.0.29.jar:9.0.29] ... 12 common frames omitted Caused by: java.net.SocketException: Insufficient permissions at sun.nio.ch.Net.bind0(Native Method) ~[na:1.8.0_231] at sun.nio.ch.Net.bind(Net.java:433) ~[na:1.8.0_231] at sun.nio.ch.Net.bind(Net.java:425) ~[na:1.8.0_231] at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) ~[na:1.8.0_231] at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) ~[na:1.8.0_231] at org.apache.tomcat.util.net.NioEndpoint.initServerSocket(NioEndpoint.java:230) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:213) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.tomcat.util.net.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1142) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1228) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:586) ~[tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.connector.Connector.startInternal(Connector.java:1005) ~[tomcat-embed-core-9.0.29.jar:9.0.29] ... 14 common frames omitted 2020-01-08 11:28:03.350 INFO 3301 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor' Process finished with exit code 1