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demo-a
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demo-b
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demo-c
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cd demo-a
./push.sh
cd ..
cd demo-b
./push.sh
cd ..
cd demo-c
./push.sh
cd ..

cd demo-b
# edit HelloController.java
./bg-deploy.sh

brew install vegeta

Before new app gets ready, run:

echo "GET https://demo-a.cfapps.io" | vegeta attack -rate=20 -duration=60s | vegeta report

You can see the following error log while unmapping old app (demo-b-venerable) from demo-b.apps.internal

(~) $ cf logs demo-a | grep -v RTR

   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 2018-09-13 13:48:22.983 ERROR [-,3e09cfa44308b94a,3e09cfa44308b94a,false] 14 --- [nio-8080-exec-5] o.s.c.s.i.web.ExceptionLoggingFilter     : Uncaught exception thrown
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://demo-b.apps.internal:8080/": Connection refused (Connection refused); nested exception is java.net.ConnectException: Connection refused (Connection refused)
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.cloud.sleuth.instrument.web.ExceptionLoggingFilter.doFilter(ExceptionLoggingFilter.java:48) ~[spring-cloud-sleuth-core-2.0.1.RELEASE.jar!/:2.0.1.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at brave.servlet.TracingFilter.doFilter(TracingFilter.java:86) [brave-instrumentation-servlet-5.1.4.jar!/:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) [spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.cloudfoundry.router.ClientCertificateMapper.doFilter(ClientCertificateMapper.java:77) [client_certificate_mapper-1.8.0_RELEASE.jar!/:1.8.0.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:685) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT Caused by: org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://demo-b.apps.internal:8080/": Connection refused (Connection refused); nested exception is java.net.ConnectException: Connection refused (Connection refused)
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:696) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:644) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:296) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at com.example.demoa.HelloController.hello(HelloController.java:18) ~[classes/:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.reflect.GeneratedMethodAccessor40.invoke(Unknown Source) ~[na:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:891) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	... 51 common frames omitted
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT Caused by: java.net.ConnectException: Connection refused (Connection refused)
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.Socket.connect(Socket.java:538) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:242) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.New(HttpClient.java:339) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.New(HttpClient.java:357) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.SimpleBufferingClientHttpRequest.executeInternal(SimpleBufferingClientHttpRequest.java:76) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:108) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at brave.spring.web.TracingClientHttpRequestInterceptor.intercept(TracingClientHttpRequestInterceptor.java:53) ~[brave-instrumentation-spring-web-5.1.4.jar!/:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:92) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.InterceptingClientHttpRequest.executeInternal(InterceptingClientHttpRequest.java:76) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:687) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	... 66 common frames omitted
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 2018-09-13 13:48:22.988 ERROR [-,,,] 14 --- [nio-8080-exec-5] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://demo-b.apps.internal:8080/": Connection refused (Connection refused); nested exception is java.net.ConnectException: Connection refused (Connection refused)] with root cause
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT java.net.ConnectException: Connection refused (Connection refused)
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.net.Socket.connect(Socket.java:538) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.NetworkClient.doConnect(NetworkClient.java:180) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:242) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.New(HttpClient.java:339) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.http.HttpClient.New(HttpClient.java:357) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.SimpleBufferingClientHttpRequest.executeInternal(SimpleBufferingClientHttpRequest.java:76) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:108) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at brave.spring.web.TracingClientHttpRequestInterceptor.intercept(TracingClientHttpRequestInterceptor.java:53) ~[brave-instrumentation-spring-web-5.1.4.jar!/:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:92) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.InterceptingClientHttpRequest.executeInternal(InterceptingClientHttpRequest.java:76) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:687) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:644) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:296) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at com.example.demoa.HelloController.hello(HelloController.java:18) ~[classes/:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.reflect.GeneratedMethodAccessor40.invoke(Unknown Source) ~[na:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:891) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) ~[spring-webmvc-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.cloud.sleuth.instrument.web.ExceptionLoggingFilter.doFilter(ExceptionLoggingFilter.java:48) ~[spring-cloud-sleuth-core-2.0.1.RELEASE.jar!/:2.0.1.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at brave.servlet.TracingFilter.doFilter(TracingFilter.java:86) ~[brave-instrumentation-servlet-5.1.4.jar!/:na]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.9.RELEASE.jar!/:5.0.9.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.cloudfoundry.router.ClientCertificateMapper.doFilter(ClientCertificateMapper.java:77) ~[client_certificate_mapper-1.8.0_RELEASE.jar!/:1.8.0.RELEASE]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:685) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_181]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.34.jar!/:8.5.34]
   2018-09-13T22:48:22.98+0900 [APP/PROC/WEB/0] OUT 	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]

Vegeta report will show like following:

Requests      [total, rate]            1200, 20.02
Duration      [total, attack, wait]    1m0.159970839s, 59.949534073s, 210.436766ms
Latencies     [mean, 50, 95, 99, max]  364.271365ms, 225.069597ms, 1.298123848s, 3.173984742s, 3.759841625s
Bytes In      [total, mean]            4820, 4.02
Bytes Out     [total, mean]            0, 0.00
Success       [ratio]                  99.67%
Status Codes  [code:count]             200:1196  500:4  
Error Set:
500 Internal Server Error

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