com.danikula.videocache.ProxyCacheException: Error processing request. Version: 2.7.1

https://lbtafx.oss-cn-shenzhen.aliyuncs.com/video/mp4/db14d201908231421197737.mp4

2019-08-25 12:40:02.027 10273-10665/com.hldm.lbtafxapp I/Pinger: Ping response: `ping ok`, pinged? true
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp D/tv.danmaku.ijk.media.player.IjkMediaPlayer: Couldn't open file on client side, trying server side
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp D/IJKMEDIA: IjkMediaPlayer_setDataSourceAndHeaders
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp V/IJKMEDIA: setDataSource: path http://127.0.0.1:40538/https%3A%2F%2Flbtafx.oss-cn-shenzhen.aliyuncs.com%2Fvideo%2Fmp4%2Fdb14d201908231421197737.mp4
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp D/IJKMEDIA: ijkmp_set_data_source(url="http://127.0.0.1:40538/https%3A%2F%2Flbtafx.oss-cn-shenzhen.aliyuncs.com%2Fvideo%2Fmp4%2Fdb14d201908231421197737.mp4")
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp D/IJKMEDIA: ijkmp_set_data_source(url="http://127.0.0.1:40538/https%3A%2F%2Flbtafx.oss-cn-shenzhen.aliyuncs.com%2Fvideo%2Fmp4%2Fdb14d201908231421197737.mp4")=0
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp D/IJKMEDIA: IjkMediaPlayer_prepareAsync
2019-08-25 12:40:02.038 10273-10273/com.hldm.lbtafxapp D/IJKMEDIA: ijkmp_prepare_async()
2019-08-25 12:40:02.039 10273-10669/com.hldm.lbtafxapp I/IJKMEDIA: SDL_RunThread: [10669] ff_msg_loop
2019-08-25 12:40:02.039 10273-10669/com.hldm.lbtafxapp D/IJKMEDIA: message_loop
2019-08-25 12:40:02.039 10273-10273/com.hldm.lbtafxapp D/IJKMEDIA: ijkmp_prepare_async()=0
2019-08-25 12:40:02.039 10273-10670/com.hldm.lbtafxapp I/IJKMEDIA: SDL_RunThread: [10670] ff_vout
2019-08-25 12:40:02.039 10273-10671/com.hldm.lbtafxapp I/IJKMEDIA: SDL_RunThread: [10671] ff_read

2019-08-25 12:40:02.063 10273-10672/com.hldm.lbtafxapp E/HttpProxyCacheServer: HttpProxyCacheServer error
com.danikula.videocache.ProxyCacheException: Error processing request. Version: 2.7.1
at com.danikula.videocache.HttpProxyCacheServer.processSocket(HttpProxyCacheServer.java:243)
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$RunnableAdapter.call(Executors.java:457)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
Caused by: com.danikula.videocache.ProxyCacheException: Error using file /storage/emulated/0/lbtafx/video/cache/dd23c41711bee3d2fcfcdcacca61df7e.mp4 as disc cache. Version: 2.7.1
at com.danikula.videocache.file.FileCache.(FileCache.java:39)
at com.danikula.videocache.HttpProxyCacheServerClients.newHttpProxyCache(HttpProxyCacheServerClients.java:83)
at com.danikula.videocache.HttpProxyCacheServerClients.startProcessRequest(HttpProxyCacheServerClients.java:49)
at com.danikula.videocache.HttpProxyCacheServerClients.processRequest(HttpProxyCacheServerClients.java:39)
at com.danikula.videocache.HttpProxyCacheServer.processSocket(HttpProxyCacheServer.java:236)
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$RunnableAdapter.call(Executors.java:457) 
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) 
at java.lang.Thread.run(Thread.java:764) 
Caused by: java.io.IOException: Directory /storage/emulated/0/lbtafx/video/cache can't be created
at com.danikula.videocache.file.Files.makeDir(Files.java:33)
at com.danikula.videocache.file.FileCache.(FileCache.java:34)
at com.danikula.videocache.HttpProxyCacheServerClients.newHttpProxyCache(HttpProxyCacheServerClients.java:83) 
at com.danikula.videocache.HttpProxyCacheServerClients.startProcessRequest(HttpProxyCacheServerClients.java:49) 
at com.danikula.videocache.HttpProxyCacheServerClients.processRequest(HttpProxyCacheServerClients.java:39) 
at com.danikula.videocache.HttpProxyCacheServer.processSocket(HttpProxyCacheServer.java:236) 
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$RunnableAdapter.call(Executors.java:457) 
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) 
at java.lang.Thread.run(Thread.java:764) 
2019-08-25 12:40:02.064 10273-10671/com.hldm.lbtafxapp I/tv.danmaku.ijk.media.player.IjkMediaPlayer: onNativeInvoke 2

com.danikula.videocache.file.Files.makeDir と FileCache. から始め、HttpProxyCacheServerClients と HttpProxyCacheServer.processSocket を経由するリクエストパスを追跡します。報告されている外部ストレージのキャッシュパスを使って失敗を再現します。ディレクトリを作成できないことが原因でキャッシュリクエストが失敗しなくなり、動画再生も引き続き機能すれば完了です。

索引モデルが issue の本文から書いたものです。