We got this error while Hygieia dashboard installation. Please confirm if anyone has come across this. this looks related to spring boot and got it while I was installing the UI for Hygieia
2017-07-11 20:50:41,551 ERROR o.s.boot.SpringApplication - Application startup failed
org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat servlet container
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:165) ~[spring-boot-1.3.0.RELEASE.jar!/:
1.3.0.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:290) ~[spring-boot-1.3.0
.RELEASE.jar!/:1.3.0.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:141) ~[spring-boot-1.3.0.RELEASE.jar!/:1
.3.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) ~[spring-context-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) ~[spring-boot-1.3.0.RELEASE.jar!/:1.3.0.R
ELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) ~[spring-boot-1.3.0.RELEASE.jar!/:1.3.0.RELEASE]
at org.springframework.boot.SpringApplication.doRun(SpringApplication.java:347) ~[spring-boot-1.3.0.RELEASE.jar!/:1.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:295) ~[spring-boot-1.3.0.RELEASE.jar!/:1.3.0.RELEASE]
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134) [spring-boot-1.3.0.RELEASE.jar!/:1.3.0.RELEASE]
at com.capitalone.dashboard.Application.main(Application.java:37) [api.jar!/:2.0.5-SNAPSHOT]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_131]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_131]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:53) [api.jar!/:2.0.5-SNAPSHOT]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_131]
Caused by: java.lang.IllegalStateException: Tomcat connector in failed state
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:159) ~[spring-boot-1.3.0.RELEASE.jar!/:
1.3.0.RELEASE]
... 15 common frames omitted
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:53)
at java.lang.Thread.run(Unknown Source)
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat servlet container
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:165)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:290)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:141)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752)
at org.springframework.boot.SpringApplication.doRun(SpringApplication.java:347)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:295)
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)
at com.capitalone.dashboard.Application.main(Application.java:37)
... 6 more
Caused by: java.lang.IllegalStateException: Tomcat connector in failed state
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:159)
... 15 more