Error closing socket input stream. Version: 2.7.1

Device : Samsung s7
Version : 2.7.1
Sdk Version : 27

HttpProxyCacheServer proxy = new HttpProxyCacheServer(this);
String proxyUrl = proxy.getProxyUrl("HTTPS URL");

here is details logs :

26503-27478/com.oevo E/HttpProxyCacheServer: HttpProxyCacheServer error
com.danikula.videocache.ProxyCacheException: Error closing socket input stream. Version: 2.7.1
at com.danikula.videocache.HttpProxyCacheServer.closeSocketInput(HttpProxyCacheServer.java:287)
at com.danikula.videocache.HttpProxyCacheServer.releaseSocket(HttpProxyCacheServer.java:272)
at com.danikula.videocache.HttpProxyCacheServer.processSocket(HttpProxyCacheServer.java:245)
at com.danikula.videocache.HttpProxyCacheServer.access$200(HttpProxyCacheServer.java:54)
at com.danikula.videocache.HttpProxyCacheServer$SocketProcessorRunnable.run(HttpProxyCacheServer.java:340)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:458)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.io.IOException: shutdown failed: ENOTCONN (Transport endpoint is not connected)
at java.net.PlainSocketImpl.socketShutdown(PlainSocketImpl.java:267)
at java.net.AbstractPlainSocketImpl.shutdownInput(AbstractPlainSocketImpl.java:582)
at java.net.Socket.shutdownInput(Socket.java:1565)
at com.danikula.videocache.HttpProxyCacheServer.closeSocketInput(HttpProxyCacheServer.java:280)
at com.danikula.videocache.HttpProxyCacheServer.releaseSocket(HttpProxyCacheServer.java:272) 
at com.danikula.videocache.HttpProxyCacheServer.processSocket(HttpProxyCacheServer.java:245) 
at com.danikula.videocache.HttpProxyCacheServer.access$200(HttpProxyCacheServer.java:54) 
at com.danikula.videocache.HttpProxyCacheServer$SocketProcessorRunnable.run(HttpProxyCacheServer.java:340) 
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:458) 
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) 
at java.lang.Thread.run(Thread.java:764) 
Caused by: android.system.ErrnoException: shutdown failed: ENOTCONN (Transport endpoint is not connected)
at libcore.io.Linux.shutdown(Native Method)
at libcore.io.ForwardingOs.shutdown(ForwardingOs.java:176)

从 HttpProxyCacheServer.java 中的 closeSocketInput、releaseSocket 和 processSocket 开始，以 stack trace 行作为切入点。复现或检查 Samsung S7/Android SDK 27 上的故障，并确定 shutdownInput 报告 ENOTCONN 时预期的清理行为。完成标准是：对于所报告的情况，socket 清理不再产生这一错误错误；如果项目提供相关测试或验证方式，还应添加相关测试或验证。

由索引模型根据 Issue 内容生成。