tengine2.2.3报错502的The proxy server received an invalid response from an upstream server问题处理 现象:访问订单的时候报错:502 Bad Gateway The proxy server received an invalid response from an upstream server. Sorry for the inconvenience.Please report this message and…
Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /wpsp/. Reason: Error reading from remote server Apache/2.2.15 (CentOS) Server at www.xaut.edu.cn Port 80 解决方法:重启Ap…
报错信息:selenium.common.exceptions.InvalidSelectorException: Message: invalid selector: Compound class names not permitted 解决方法:使用其它的定位方法,这个问题是由于定位的classname名称不规范导致…
对系统的某个接口进行极限压测,随着并发量上升,nginx开始出现502 no live upstreams while connecting to upstream的报错,维持最大并发量一段时间,发现调用接口一直返回502,即nginx已经发现不了存活的后端了. 通过跟踪端口,发现nginx 跟后端创建了大量的连接.这很明显是没有使用http1.1长连接导致的.因此在upstream中添加keepalive配置. upstream yyy.xxx.web{ server 36.10.xx.107…
仅作记录:参考文章:http://www.blogjava.net/vickzhu/archive/2008/11/03/238337.html 报错信息: java.lang.IllegalStateException: getOutputStream() has already been called for this response at org.apache.catalina.connector.Response.getWriter(Response.java:662) at org.…
问题描述 使用Feign调用微服务接口报错,如下: java.lang.RuntimeException: com.netflix.client.ClientException: Load balancer does not have available server for client: app1 at org.springframework.cloud.netflix.feign.ribbon.LoadBalancerFeignClient.execute(LoadBalancerFeig…