解决 zuul中org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter.findZuulException(SendEr

com.netflix.zuul.exception.ZuulException: 
	at org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter.findZuulException(SendErrorFilter.java:118) ~[spring-cloud-netflix-zuul-2.1.2.RELEASE.jar:2.1.2.RELEASE]
	at org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter.run(SendErrorFilter.java:78) ~[spring-cloud-netflix-zuul-2.1.2.RELEASE.jar:2.1.2.RELEASE]
	at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:117) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.FilterProcessor.error(FilterProcessor.java:105) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.ZuulRunner.error(ZuulRunner.java:112) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.http.ZuulServlet.error(ZuulServlet.java:145) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:83) [zuul-core-1.3.1.jar:1.3.1]
	at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:165) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.cloud.netflix.zuul.web.ZuulController.handleRequest(ZuulController.java:45) [spring-cloud-netflix-zuul-2.1.2.RELEASE.jar:2.1.2.RELEASE]
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882) [spring-webmvc-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) [tomcat-embed-websocket-9.0.22.jar:9.0.22]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:88) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118) [spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118) [spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.22.jar:9.0.22]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.ja

解决：在yml文件中加上

  ConnectTimeout: 30000  #请求连接的超时时间