SpringBoot项目配置Eureka时，内嵌TomCat无法启动java.lang.IllegalStateException: StandardEngine[Tomcat].Standa

本文介绍: Spr in gBoot 项目配置Eure k a时，内嵌TomCa t无法启动

java.lang.Ille galStat eEx c ept ion: Stand ar dEngin e[Tom cat].Standar dHos t[local host].Tom catEm b e d de dCon text[] failed to start

Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
 at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:125) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init&gt;(TomcatWebServer.java:87) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:437) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 ... 8 common frames omitted
Caused by: java.lang.IllegalStateException: StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[] failed to start
 at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.rethrowDeferredStartupExceptions(TomcatWebServer.java:170) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:109) ~[spring-boot-2.2.8.RELEASE.jar:2.2.8.RELEASE]
 ... 13 common frames omitted

SpringBoot项目可以正常启动，但是一添加@EnableEure kaServer相关注解再启动SpringBoot就报如上错误。我是因为有两个 jdk 版本，一个8一个17.
从根本原因可以看出是SpringBoot的内嵌Tomcat报错，这是因为Jdk的版本可能和SpringBoot版本不兼容。首先降低SpringBoot版本，用2.7.6或者2.2.8.RELEASE