运行springboot项目报错如下:
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [NonLoginAuthenticator[StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]] at java.util.concurrent.FutureTask.report(FutureTask.java:122) [na:1.8.0_191] at java.util.concurrent.FutureTask.get(FutureTask.java:192) [na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) [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.ContainerBase$StartChild.call(ContainerBase.java:1384) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) [tomcat-embed-core-9.0.29.jar:9.0.29] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_191] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.29.jar:9.0.29] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [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.startInternal(StandardService.java:421) [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.StandardServer.startInternal(StandardServer.java:930) [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.startup.Tomcat.start(Tomcat.java:459) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) [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.hyy.MemberZuul1005.main(MemberZuul1005.java:13) [classes/:na] Caused by: org.apache.catalina.LifecycleException: Failed to start component [NonLoginAuthenticator[StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.core.StandardPipeline.startInternal(StandardPipeline.java:176) ~[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.StandardContext.startInternal(StandardContext.java:5063) ~[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.ContainerBase$StartChild.call(ContainerBase.java:1384) [tomcat-embed-core-9.0.29.jar:9.0.29] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) [tomcat-embed-core-9.0.29.jar:9.0.29] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_191] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.29.jar:9.0.29] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) [tomcat-embed-core-9.0.29.jar:9.0.29] ... 29 common frames omitted Caused by: java.lang.NoSuchMethodError: javax.servlet.ServletContext.getVirtualServerName()Ljava/lang/String; at org.apache.catalina.authenticator.AuthenticatorBase.startInternal(AuthenticatorBase.java:1220) ~[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] ... 39 common frames omitted 2020-08-25 14:01:27.219 ERROR 8340 --- [ main] org.apache.catalina.core.ContainerBase : A child container failed during start
查找原因如下:jar包冲突
Description: An attempt was made to call a method that does not exist. The attempt was made from the following location: org.apache.catalina.authenticator.AuthenticatorBase.startInternal(AuthenticatorBase.java:1220) The following method did not exist: javax.servlet.ServletContext.getVirtualServerName()Ljava/lang/String; The method\'s class, javax.servlet.ServletContext, is available from the following locations: jar:file:/D:/maven/apache-maven-3.6.0/repository/javax/servlet/servlet-api/2.5/servlet-api-2.5.jar!/javax/servlet/ServletContext.class jar:file:/D:/maven/apache-maven-3.6.0/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.29/tomcat-embed-core-9.0.29.jar!/javax/servlet/ServletContext.class It was loaded from the following location: file:/D:/maven/apache-maven-3.6.0/repository/javax/servlet/servlet-api/2.5/servlet-api-2.5.jar
解决方法:
File>>Project Structure>>Module删除冲突依赖即可;