Error pinging server (attempts: 3, max timeout: 280).

[MarkMjw]

call HttpProxyCacheServer.shutdown() when exit app (not kill the process), then launch app from launcher. and the log:

E/Pinger: Error reading ping response
com.danikula.videocache.ProxyCacheException: Error opening connection for http://127.0.0.1:38119/ping with offset 0
at com.danikula.videocache.HttpUrlSource.open(HttpUrlSource.java:73)
at com.danikula.videocache.Pinger.pingServer(Pinger.java:85)
at com.danikula.videocache.Pinger.access$100(Pinger.java:27)
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:107)
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:103)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:818)
Caused by: java.net.ConnectException: failed to connect to /127.0.0.1 (port 38119): connect failed: ECONNREFUSED (Connection refused)
at libcore.io.IoBridge.connect(IoBridge.java:124)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:183)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:456)
at java.net.Socket.connect(Socket.java:882)
at com.android.okhttp.internal.Platform.connectSocket(Platform.java:139)
at com.android.okhttp.Connection.connect(Connection.java:1194)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:392)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:295)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:373)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:323)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:491)
at com.danikula.videocache.HttpUrlSource.openConnection(HttpUrlSource.java:157)
at com.danikula.videocache.HttpUrlSource.open(HttpUrlSource.java:66)
at com.danikula.videocache.Pinger.pingServer(Pinger.java:85) 
at com.danikula.videocache.Pinger.access$100(Pinger.java:27) 
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:107) 
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:103) 
at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
at java.lang.Thread.run(Thread.java:818) 
Caused by: android.system.ErrnoException: connect failed: ECONNREFUSED (Connection refused)
at libcore.io.Posix.connect(Native Method)
at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:111)
at libcore.io.IoBridge.connectErrno(IoBridge.java:137)
at libcore.io.IoBridge.connect(IoBridge.java:122)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:183) 
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:456) 
at java.net.Socket.connect(Socket.java:882) 
at com.android.okhttp.internal.Platform.connectSocket(Platform.java:139) 
at com.android.okhttp.Connection.connect(Connection.java:1194) 
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:392) 
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:295) 
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:373) 
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:323) 
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:491) 
at com.danikula.videocache.HttpUrlSource.openConnection(HttpUrlSource.java:157) 
at com.danikula.videocache.HttpUrlSource.open(HttpUrlSource.java:66) 
at com.danikula.videocache.Pinger.pingServer(Pinger.java:85) 
at com.danikula.videocache.Pinger.access$100(Pinger.java:27) 
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:107) 
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:103) 
at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
at java.lang.Thread.run(Thread.java:818) 
E/Pinger: Error pinging server (attempts: 3, max timeout: 280). If you see this message, please, email me danikula@gmail.com or create issue here https://github.com/danikula/AndroidVideoCache/issues
com.danikula.videocache.ProxyCacheException: Error pinging server (attempts: 3, max timeout: 280). If you see this message, please, email me danikula@gmail.com or create issue here https://github.com/danikula/AndroidVideoCache/issues
at com.danikula.videocache.Pinger.ping(Pinger.java:66)
at com.danikula.videocache.HttpProxyCacheServer.isAlive(HttpProxyCacheServer.java:180)
at com.danikula.videocache.HttpProxyCacheServer.getProxyUrl(HttpProxyCacheServer.java:117)
at com.danikula.videocache.HttpProxyCacheServer.getProxyUrl(HttpProxyCacheServer.java:98)

[danikula]

Duplicates #134