在wso2 ESB中，我发送TargetHandler Connection，然后将请求发送出远程地址，显示端点IP地址。
我首先调用一个API然后调用另一个API，同时调用第二个API我正在
[2018-05-04 17:23:27,420] WARN - TargetHandler Connection closed before sending request out Remote Address : /192.168.1.29:9090
[2018-05-04 17:23:27,433] INFO - EndpointContext Endpoint : AnonymousEndpoint with address http://192.168.1.29:9090/IOT_Admin_Webserver/configureDevice has been marked for SUSPENSION, but no further retries remain. Thus it will be SUSPENDED.
[2018-05-04 17:23:27,436] WARN - EndpointContext Suspending endpoint : AnonymousEndpoint with address http://192.168.1.29:9090/IOT_Admin_Webserver/configureDevice - current suspend duration is : 30000ms - Next retry after : Fri May 04 17:23:57 IST 2018
[2018-05-04 17:23:48,275] WARN - SourceHandler Connection time out after request is read: http-incoming-10 Socket Timeout : 120000 Remote Address : /192.168.2.37:55865
我尝试了什么： 如果我制作一个ESB API并且只调用第二个API，就像我提到的那样抛出了上面的错误，那么它将成功调用而不会出现任何错误。
但只有在ESB中第二次调用它时才会抛出错误。