zhangkewei opened a new issue #940: [skywalking-ui]Request Error 500
URL: https://github.com/apache/incubator-skywalking/issues/940
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [x] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
     SkyWalking?5.0.0-alpha
     JRE: 1.8.0_131
     OS: CentOS release 6.7 x64
     Storage: elasticsearch 5.5
   - What happen?
      Agent already sent data to collector.But when I visit UI module,I got 
error message like this "Request Error 500".
   ```
   com.netflix.zuul.exception.ZuulException: Forwarding error
        at 
org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.handleException(RibbonRoutingFilter.java:189)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at 
org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.forward(RibbonRoutingFilter.java:164)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at 
org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.run(RibbonRoutingFilter.java:111)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:112) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at 
com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at 
com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at com.netflix.zuul.FilterProcessor.route(FilterProcessor.java:118) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at com.netflix.zuul.ZuulRunner.route(ZuulRunner.java:96) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at com.netflix.zuul.http.ZuulServlet.route(ZuulServlet.java:116) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:81) 
~[zuul-core-1.3.0.jar!/:1.3.0]
        at 
org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:157)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.cloud.netflix.zuul.web.ZuulController.handleRequest(ZuulController.java:44)
 [spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 [spring-webmvc-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
[tomcat-embed-websocket-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
 [spring-boot-1.5.10.RELEASE.jar!/:1.5.10.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:110)
 [spring-boot-actuator-1.5.10.RELEASE.jar!/:1.5.10.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)
 [spring-boot-actuator-1.5.10.RELEASE.jar!/:1.5.10.RELEASE]
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 [spring-web-4.3.14.RELEASE.jar!/:4.3.14.RELEASE]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
[tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[na:1.8.0_101]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_101]
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 [tomcat-embed-core-8.5.27.jar!/:8.5.27]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]
   Caused by: com.netflix.client.ClientException: null
        at 
com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:118)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        at 
org.springframework.cloud.netflix.zuul.filters.route.support.AbstractRibbonCommand.run(AbstractRibbonCommand.java:152)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at 
org.springframework.cloud.netflix.zuul.filters.route.support.AbstractRibbonCommand.run(AbstractRibbonCommand.java:49)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at com.netflix.hystrix.HystrixCommand$2.call(HystrixCommand.java:302) 
~[hystrix-core-1.5.12.jar!/:1.5.12]
        at com.netflix.hystrix.HystrixCommand$2.call(HystrixCommand.java:298) 
~[hystrix-core-1.5.12.jar!/:1.5.12]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:46) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.subscribe(Observable.java:10247) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.subscribe(Observable.java:10214) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.BlockingOperatorToFuture.toFuture(BlockingOperatorToFuture.java:51)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.observables.BlockingObservable.toFuture(BlockingObservable.java:411) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at com.netflix.hystrix.HystrixCommand.queue(HystrixCommand.java:378) 
~[hystrix-core-1.5.12.jar!/:1.5.12]
        at com.netflix.hystrix.HystrixCommand.execute(HystrixCommand.java:344) 
~[hystrix-core-1.5.12.jar!/:1.5.12]
        at 
org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.forward(RibbonRoutingFilter.java:158)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        ... 67 common frames omitted
   Caused by: java.lang.RuntimeException: java.net.SocketTimeoutException: Read 
timed out
        at rx.exceptions.Exceptions.propagate(Exceptions.java:58) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:464) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.observables.BlockingObservable.single(BlockingObservable.java:341) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:112)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        ... 129 common frames omitted
   Caused by: java.net.SocketTimeoutException: Read timed out
        at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_101]
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) 
~[na:1.8.0_101]
        at java.net.SocketInputStream.read(SocketInputStream.java:170) 
~[na:1.8.0_101]
        at java.net.SocketInputStream.read(SocketInputStream.java:141) 
~[na:1.8.0_101]
        at 
org.apache.http.impl.conn.LoggingInputStream.read(LoggingInputStream.java:84) 
~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:282)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)
 ~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
 ~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:165) 
~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
 ~[httpcore-4.4.6.jar!/:4.4.6]
        at 
org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272) 
~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185) 
~[httpclient-4.5.3.jar!/:4.5.3]
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) 
~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111) 
~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
 ~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
 ~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
 ~[httpclient-4.5.3.jar!/:4.5.3]
        at 
org.springframework.cloud.netflix.ribbon.apache.RibbonLoadBalancingHttpClient.execute(RibbonLoadBalancingHttpClient.java:82)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at 
org.springframework.cloud.netflix.ribbon.apache.RibbonLoadBalancingHttpClient.execute(RibbonLoadBalancingHttpClient.java:42)
 ~[spring-cloud-netflix-core-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
        at 
com.netflix.client.AbstractLoadBalancerAwareClient$1.call(AbstractLoadBalancerAwareClient.java:104)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        at 
com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:303)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        at 
com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:287)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        at 
rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:231)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:228)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.drain(OnSubscribeConcatMap.java:286)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.onNext(OnSubscribeConcatMap.java:144)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:185)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        at 
com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:180)
 ~[ribbon-loadbalancer-2.2.4.jar!/:2.2.4]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:94) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:42) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.unsafeSubscribe(Observable.java:10151) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber$1.call(OperatorRetryWithPredicate.java:127)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.enqueue(TrampolineScheduler.java:73)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.schedule(TrampolineScheduler.java:52)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:79)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:45)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.util.ScalarSynchronousObservable$WeakSingleProducer.request(ScalarSynchronousObservable.java:276)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Subscriber.setProducer(Subscriber.java:209) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:138)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:129)
 ~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.subscribe(Observable.java:10247) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at rx.Observable.subscribe(Observable.java:10214) 
~[rxjava-1.2.0.jar!/:1.2.0]
        at 
rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:444) 
~[rxjava-1.2.0.jar!/:1.2.0]
        ... 131 common frames omitted
   
   
   ```
   
   elasticsearch data:
   
[data-0313.tar.gz](https://github.com/apache/incubator-skywalking/files/1807616/data-0313.tar.gz)
   

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