由于近期线上单量暴涨，第三方反馈部分工单业务存在查询处理失败现象，经排查是当前系统通过FeignClient调用下游系统出现部分超时失败（异常代码贴在下方）。
Caused by: feign.RetryableException: Read timed out executing POST http://xxxx at feign.FeignException.errorExecuting(FeignException.java:84) ~[feign-core-10.1.0.jar!/:na] at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:113) ~[feign-core-10.1.0.jar!/:na] at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:78) ~[feign-core-10.1.0.jar!/:na] at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103) ~[feign-core-10.1.0.jar!/:na] at com.sun.proxy.$Proxy141.creditReportConvert(Unknown Source) ~[na:na] Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_121] at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) ~[na:1.8.0_121] at java.net.SocketInputStream.read(SocketInputStream.java:171) ~[na:1.8.0_121] at java.net.SocketInputStream.read(SocketInputStream.java:141) ~[na:1.8.0_121] at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) ~[na:1.8.0_121] at java.io.BufferedInputStream.read1(BufferedInputStream.java:286) ~[na:1.8.0_121] at java.io.BufferedInputStream.read(BufferedInputStream.java:345) ~[na:1.8.0_121] at sun.net.(HttpClient.java:704) ~[na:1.8.0_121] at sun.net.(HttpClient.java:647) ~[na:1.8.0_121] at sun.net.(HttpURLConnection.java:1569) ~[na:1.8.0_121] at sun.net.(HttpURLConnection.java:1474) ~[na:1.8.0_121] at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480) ~[na:1.8.0_121] at feign.Client$Default.convertResponse(Client.java:143) ~[feign-core-10.1.0.jar!/:na] at feign.Client$Default.execute(Client.java:68) ~[feign-core-10.1.0.jar!/:na] at org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer.execute(FeignLoadBalancer.java:93) ~[spring-cloud-openfeign-core-2.1.1.RELEASE.jar!/:2.1.1.RELEASE] at org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer.execute(FeignLoadBalancer.java:56) ~[spring-cloud-openfeign-core-2.1.1.RELEASE.jar!/:2.1.1.RELEASE] at com.netflix.client.AbstractLoadBalancerAwareClient$1.call(AbstractLoadBalancerAwareClient.java:104) ~[ribbon-loadbalancer-2.3.0.jar!/:2.3.0] at com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:303) ~[ribbon-loadbalancer-2.3.0.jar!/:2.3.0]