日志信息如下:
2017-07-05 18:28:34 -18705 [idle_connection_reaper] DEBUG - Closing expired connections
2017-07-05 18:28:34 -18723 [idle_connection_reaper] DEBUG - Closing connections idle longer than 60000 MILLISECONDS
2017-07-05 18:28:39 -23724 [idle_connection_reaper] DEBUG - Closing expired connections
2017-07-05 18:28:39 -23724 [idle_connection_reaper] DEBUG - Closing connections idle longer than 60000 MILLISECONDS
解决办法:
在ossClient使用之后应该立即关闭,ossClient.shutdown();
<Closing connections idle longer than 60000 MILLISECONDS> <Closing expired connections>
原文：https://www.cnblogs.com/qingmuchuanqi48/p/11674466.html