我正在尝试将一个示例/演示java rest服务部署到tomcat，但是遇到了以下我似乎无法解决的问题。有人遇到过以下问题吗？
我尝试查看其他资源，例如下面的URL，对我来说根本没有用：
A child container failed during start java.util.concurrent.ExecutionException
2019-10-02 17:40:28.102 INFO 19786 --- [ main] c.a.service.ServiceApplication : No active profile set, falling back to default profiles: default
2019-10-02 17:40:36.098 INFO 19786 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2019-10-02 17:40:38.809 INFO 19786 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-10-02 17:40:38.809 INFO 19786 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.24]
2019-10-02 17:40:39.920 ERROR 19786 --- [ main] org.apache.catalina.core.ContainerBase : A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.StandardRoot@2123a61c]
at java.util.concurrent.FutureTask.report(FutureTask.java:122) [na:1.8.0_222]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) [na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_222]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:459) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:105) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:416) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:180) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [jar:rsrc:spring-context-5.1.9.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at com.service.ServiceApplication.main(ServiceApplication.java:12) [rsrc:./:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_222]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_222]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_222]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_222]
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58) [Service.jar:na]
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.StandardRoot@2123a61c]
at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:139) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:173) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4800) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4935) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_222]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 34 common frames omitted
Caused by: java.lang.Error: factory already defined
at java.net.URL.setURLStreamHandlerFactory(URL.java:1124) ~[na:1.8.0_222]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.<init>(TomcatURLStreamHandlerFactory.java:130) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.getInstanceInternal(TomcatURLStreamHandlerFactory.java:53) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.register(TomcatURLStreamHandlerFactory.java:77) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.StandardRoot.registerURLStreamHandlerFactory(StandardRoot.java:701) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.StandardRoot.initInternal(StandardRoot.java:683) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 44 common frames omitted
2019-10-02 17:40:39.923 ERROR 19786 --- [ main] org.apache.catalina.core.ContainerBase : A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container failed during start
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_222]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:459) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:105) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:416) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:180) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [jar:rsrc:spring-context-5.1.9.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at com.service.ServiceApplication.main(ServiceApplication.java:12) [rsrc:./:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_222]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_222]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_222]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_222]
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58) [Service.jar:na]
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_222]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 26 common frames omitted
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.StandardRoot@2123a61c]
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_222]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 34 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.StandardRoot@2123a61c]
at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:139) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:173) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4800) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4935) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_222]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 34 common frames omitted
Caused by: java.lang.Error: factory already defined
at java.net.URL.setURLStreamHandlerFactory(URL.java:1124) ~[na:1.8.0_222]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.<init>(TomcatURLStreamHandlerFactory.java:130) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.getInstanceInternal(TomcatURLStreamHandlerFactory.java:53) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.register(TomcatURLStreamHandlerFactory.java:77) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.StandardRoot.registerURLStreamHandlerFactory(StandardRoot.java:701) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.StandardRoot.initInternal(StandardRoot.java:683) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136) [jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 44 common frames omitted
2019-10-02 17:40:39.924 INFO 19786 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-10-02 17:40:40.233 WARN 19786 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
2019-10-02 17:40:40.243 INFO 19786 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-10-02 17:40:40.247 ERROR 19786 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:156) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[jar:rsrc:spring-context-5.1.9.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204) [jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at com.service.ServiceApplication.main(ServiceApplication.java:12) [rsrc:./:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_222]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_222]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_222]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_222]
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58) [Service.jar:na]
Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:124) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:416) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:180) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
... 13 common frames omitted
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:459) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:105) ~[jar:rsrc:spring-boot-2.1.8.RELEASE.jar!/:na]
... 18 common frames omitted
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container failed during start
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_222]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 26 common frames omitted
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_222]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 26 common frames omitted
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.StandardRoot@2123a61c]
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_222]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 34 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.StandardRoot@2123a61c]
at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:139) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:173) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4800) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4935) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_222]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[na:1.8.0_222]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 34 common frames omitted
Caused by: java.lang.Error: factory already defined
at java.net.URL.setURLStreamHandlerFactory(URL.java:1124) ~[na:1.8.0_222]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.<init>(TomcatURLStreamHandlerFactory.java:130) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.getInstanceInternal(TomcatURLStreamHandlerFactory.java:53) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.register(TomcatURLStreamHandlerFactory.java:77) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.StandardRoot.registerURLStreamHandlerFactory(StandardRoot.java:701) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.webresources.StandardRoot.initInternal(StandardRoot.java:683) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136) ~[jar:rsrc:tomcat-embed-core-9.0.24.jar!/:na]
... 44 common frames omitted