我使用了以前版本的 wso2 esb，现在我已将所有服务转移到最新版本的 wso2 esb 4.7.0，但我仍然遇到同样的错误。
如果客户端发送并行请求，它会给出一些错误和警告，如下所示：
SourceHandler I/O error (Probably the connection was closed by the remote party):Broken pipe
WARN - SourceHandler Connection time out after request is read: http-incoming-2240
18,799] WARN - SourceHandler Connection time out while writing the response: http-incoming-2156
[2013-08-14 17:10:19,801] WARN - SourceHandler Connection time out while writing the response: http-incoming-2161
[2013-08-14 17:10:19,801] WARN - SourceHandler Connection time out while writing the response: http-incoming-2171
[2013-08-14 17:10:19,802] WARN - SourceHandler Connection time out while writing the response: http-incoming-2162
[2013-08-14 17:10:19,802] WARN - SourceHandler Connection time out while writing the response: http-incoming-2178
[2013-08-14 17:10:19,802] WARN - SourceHandler Connection time out while writing the response: http-incoming-2159
[2013-08-14 17:10:19,802] WARN - SourceHandler Connection time out while writing the response: http-incoming-2173
[2013-08-14 17:10:19,803] WARN - SourceHandler Connection time out while writing the response: http-incoming-2179
[2013-08-14 17:10:19,803] WARN - SourceHandler Connection time out while writing the response: http-incoming-2174
[2013-08-14 17:13:50,157] INFO - LogMediator To: http://www.w3.org/2005/08/addressing/anonymous, WSAction: , SOAPAction: , MessageID: urn:uuid:b522b7bb-c01c-4b6c-a214-3cb00cb6c663, Direction: response, clientid = ...
我该如何解决这个问题？