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下载文件时progress的totalBytes总是-1 #1050

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2862339302 opened this issue Jun 7, 2018 · 7 comments
Closed

下载文件时progress的totalBytes总是-1 #1050

2862339302 opened this issue Jun 7, 2018 · 7 comments
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@rantianhua
Labels
enhancement
Milestone
1.7.5

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@2862339302
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2862339302 commented Jun 7, 2018 •
edited

下载文件地址是：https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145366.zip
下载在主进程里。版本是1.7.4。看log里请求是有返回文件大小的，不知道为什么回调时totalBytes变成-1，麻烦看看有没有解决方法，谢谢。

补充：使用火狐浏览器，或HttpURLConnection 是可以正确拿到这个文件大小的。
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.connect();
long size = connection.getContentLength();

以下是FileDownloader的log:
V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145366.zip], Path[/storage/emulated/0/download/t100_145366.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@594bd57], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[948619801] has been into the launch pool.
V/FileDownloader.FileDownloadEventPool: setListener event.service.connect.changed
D/FileDownloader.FileDownloadMessenger: notify begin 948619801@com.liulishuo.filedownloader.DownloadTask@6d2152d
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@7b4ea62 by 11
V/FileDownloader.FileDownloadList: add list in all 948619801@com.liulishuo.filedownloader.DownloadTask@6d2152d 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145366.zip) path(/storage/emulated/0/download/t100_145366.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue 948619801 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.DownloadMgrInitialParams: initial FileDownloader manager with the customize connection creator: cn.dreamtobe.filedownloader.OkHttp3Connection$Creator@7e7d729
D/FileDownloader.MessageSnapshotGate: ~~~callback 948619801 old[11] new[1] 1
D/FileDownloader.FileDownloadMessenger: notify pending 948619801@com.liulishuo.filedownloader.DownloadTask@6d2152d
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- 948619801 request header {range=[bytes=0-0], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.MessageSnapshotGate: ~~~callback 948619801 old[1] new[6] 1
D/FileDownloader.FileDownloadMessenger: notify started 948619801@com.liulishuo.filedownloader.DownloadTask@6d2152d
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: ----> 948619801 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], cache-control=[no-cache], connection=[keep-alive], content-length=[0], content-md5=[a3wcSB5xp3pUrwzvHno14w==], content-range=[bytes /2312060], content-type=[application/zip], date=[Thu, 07 Jun 2018 06:29:48 GMT], eagleid=[3c1ce20515283529885596204e], etag=["6B7C1C481E71A77A54AF0CEF1E7A35E3"], last-modified=[Tue, 13 Mar 2018 07:06:19 GMT], server=[Tengine], timing-allow-origin=[], via=[cache8.l2nu17-1[61,416-0,M], cache36.l2nu17-1[62,0], kunlun6.cn36[66,416-1280,M], kunlun5.cn36[68,0]], x-cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[17755995990363745947], x-oss-object-type=[Normal], x-oss-request-id=[5B18D0DC6B3F22911F7845D4], x-oss-server-time=[61], x-oss-storage-class=[Standard], x-swift-cachetime=[0], x-swift-error=[orig response 4XX error], x-swift-savetime=[Thu, 07 Jun 2018 06:29:48 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "6B7C1C481E71A77A54AF0CEF1E7A35E3" for task(948619801)
D/FileDownloader.ConnectTask: <---- 948619801 request header {if-match=["6B7C1C481E71A77A54AF0CEF1E7A35E3"], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> 948619801 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], connection=[keep-alive], content-length=[2312060], content-md5=[a3wcSB5xp3pUrwzvHno14w==], content-type=[application/zip], date=[Thu, 07 Jun 2018 06:29:48 GMT], eagleid=[3c1ce20515283529886486607e], etag=["6B7C1C481E71A77A54AF0CEF1E7A35E3"], last-modified=[Tue, 13 Mar 2018 07:06:19 GMT], server=[Tengine], timing-allow-origin=[], via=[cache8.l2nu17-1[11,200-0,M], cache36.l2nu17-1[12,0], kunlun6.cn36[15,200-0,M], kunlun5.cn36[17,0]], x-cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[17755995990363745947], x-oss-object-type=[Normal], x-oss-request-id=[5B18D0DCA56E418A1E6B9DBB], x-oss-server-time=[5], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Thu, 07 Jun 2018 06:29:48 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "6B7C1C481E71A77A54AF0CEF1E7A35E3" for task(948619801)
W/FileDownloader.FileDownloadUtils: don't get instance length fromContent-Range header
D/FileDownloader.MessageSnapshotGate: ~~~callback 948619801 old[6] new[2] 1
D/FileDownloader.FileDownloadMessenger: notify connected 948619801@com.liulishuo.filedownloader.DownloadTask@6d2152d
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- 948619801 request header {if-match=["6B7C1C481E71A77A54AF0CEF1E7A35E3"], range=[bytes=0-], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> 948619801 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[1], connection=[keep-alive], content-length=[2312060], content-md5=[a3wcSB5xp3pUrwzvHno14w==], content-range=[bytes 0-2312059/2312060], content-type=[application/zip], date=[Thu, 07 Jun 2018 06:29:48 GMT], eagleid=[3c1ce20715283529893235346e], etag=["6B7C1C481E71A77A54AF0CEF1E7A35E3"], last-modified=[Tue, 13 Mar 2018 07:06:19 GMT], server=[Tengine], timing-allow-origin=[*], via=[cache8.l2nu17-1[11,200-0,M], cache36.l2nu17-1[12,0], kunlun6.cn36[0,206-0,H], kunlun7.cn36[0,0]], x-cache=[HIT TCP_MEM_HIT dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[17755995990363745947], x-oss-object-type=[Normal], x-oss-request-id=[5B18D0DCA56E418A1E6B9DBB], x-oss-server-time=[5], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Thu, 07 Jun 2018 06:29:48 GMT]}
D/FileDownloader.DownloadRunnable: the connection[-1] for 948619801, is connected range[0, -1) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(-1): range [0, -1), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback 948619801 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress 948619801@com.liulishuo.filedownloader.DownloadTask@6d2152d 4096 -1
@rantianhua rantianhua self-assigned this Jun 8, 2018
@rantianhua
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你应该是使用 OkHttp 这个网络库，该网络库是支持 SPDY 协议的，所以你日志里面的 request header 和 response header 都是小写。不过 OkHttp 里面获取 header 的方式是不关心大小写的：

 private static String get(String[] namesAndValues, String name) {
    for (int i = namesAndValues.length - 2; i >= 0; i -= 2) {
      if (name.equalsIgnoreCase(namesAndValues[i])) {
        return namesAndValues[i + 1];
      }
    }
    return null;
  }

我自己测试也确实是正常的。所以需要确认一下你是如何引入 OkHttp 的？是自定义的 FileDownloadConnection 还是引用的 filedownloader-okhttp3-connection 这个 library？如果你是自定义的 FileDownloadConnection ，那么你的 getResponseHeaderField(String) 方法是怎么实现的？

@2862339302
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引用的库：
implementation 'com.squareup.okhttp3:okhttp:3.10.0'   
implementation 'com.liulishuo.filedownloader:library:1.7.4'
implementation 'cn.dreamtobe.filedownloader:filedownloader-okhttp3-connection:1.1.0'

@2862339302
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经过多次试验，发现totalBytes并不总是-1，下面是同一个下载地址的log。
https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip。有时候正常，有时候是-1 。好像同时下载多个文件（不同的文件）的时候，容易出现-1，并不是特定的下载地址才有这种现象。而且跟用不用okhttp关系不大，用默认的设置也会出现。

totalBytes为正常的log:

V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@6570bd5], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
D/FileDownloader.FileDownloadMessenger: notify begin -1783616310@com.liulishuo.filedownloader.DownloadTask@17812db
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@640f178 by 11
V/FileDownloader.FileDownloadList: add list in all -1783616310@com.liulishuo.filedownloader.DownloadTask@17812db 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip) path(/storage/emulated/0/download/t100_145376.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[11] new[1] 1
D/FileDownloader.ConnectTask: <---- -1783616310 request header {range=[bytes=0-0], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.FileDownloadMessenger: notify pending -1783616310@com.liulishuo.filedownloader.DownloadTask@17812db
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[1] new[6] 1
D/FileDownloader.FileDownloadMessenger: notify started -1783616310@com.liulishuo.filedownloader.DownloadTask@17812db
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[78], connection=[keep-alive], content-length=[1], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes 0-0/2327711], content-type=[application/zip], date=[Mon, 11 Jun 2018 05:49:01 GMT], eagleid=[ca61e70a15286962199364337e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,200-0,H], cache9.l2nu17-1[1,0], kunlun6.cn386[0,206-0,H], kunlun10.cn386[1,0]], x-cache=[HIT TCP_MEM_HIT dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[6] new[2] 1
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.FileDownloadMessenger: notify connected -1783616310@com.liulishuo.filedownloader.DownloadTask@17812db
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- -1783616310 request header {if-match=["EA287B90718A3851F09221549CFD6058"], range=[bytes=0-], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[80], connection=[keep-alive], content-length=[2327711], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes 0-2327710/2327711], content-type=[application/zip], date=[Mon, 11 Jun 2018 05:49:01 GMT], eagleid=[ca61e70615286962212286328e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,200-0,H], cache9.l2nu17-1[1,0], kunlun6.cn386[0,206-0,H], kunlun6.cn386[0,0]], x-cache=[HIT TCP_MEM_HIT dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.DownloadRunnable: the connection[-1] for -1783616310, is connected range[0, -1) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(-1): range [0, -1), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@17812db 4096 2327711

totalBytes为-1的log:

V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@6865e35], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
D/FileDownloader.FileDownloadMessenger: notify begin -1783616310@com.liulishuo.filedownloader.DownloadTask@9e872ca
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@d2e9c3b by 11
V/FileDownloader.FileDownloadList: add list in all -1783616310@com.liulishuo.filedownloader.DownloadTask@9e872ca 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip) path(/storage/emulated/0/download/t100_145376.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[11] new[1] 1
D/FileDownloader.FileDownloadMessenger: notify pending -1783616310@com.liulishuo.filedownloader.DownloadTask@9e872ca
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[1] new[6] 1
D/FileDownloader.FileDownloadMessenger: notify started -1783616310@com.liulishuo.filedownloader.DownloadTask@9e872ca
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- -1783616310 request header {range=[bytes=0-0], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[0], cache-control=[no-cache], connection=[keep-alive], content-length=[0], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes /2327711], content-type=[application/zip], date=[Mon, 11 Jun 2018 05:49:01 GMT], eagleid=[ca61e70915286961416886971e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,416-0,H], cache35.l2nu17-1[1,0], kunlun6.cn386[92,416-1280,M], kunlun9.cn386[94,0]], x-cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[0], x-swift-error=[orig response 4XX error], x-swift-savetime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
D/FileDownloader.ConnectTask: <---- -1783616310 request header {if-match=["EA287B90718A3851F09221549CFD6058"], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[0], connection=[keep-alive], content-length=[2327711], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-type=[application/zip], date=[Mon, 11 Jun 2018 05:49:01 GMT], eagleid=[ca61e70915286961418287385e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,200-0,H], cache9.l2nu17-1[1,0], kunlun6.cn386[119,200-0,M], kunlun9.cn386[120,0]], x-cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
W/FileDownloader.FileDownloadUtils: don't get instance length fromContent-Range header
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[6] new[2] 1
D/FileDownloader.FileDownloadMessenger: notify connected -1783616310@com.liulishuo.filedownloader.DownloadTask@9e872ca
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- -1783616310 request header {if-match=["EA287B90718A3851F09221549CFD6058"], range=[bytes=0-], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[5], connection=[keep-alive], content-length=[2327711], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes 0-2327710/2327711], content-type=[application/zip], date=[Mon, 11 Jun 2018 05:49:01 GMT], eagleid=[ca61e70a15286961469601251e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[*], via=[cache28.l2nu17-1[0,200-0,H], cache9.l2nu17-1[1,0], kunlun6.cn386[0,206-0,H], kunlun10.cn386[1,0]], x-cache=[HIT TCP_MEM_HIT dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.DownloadRunnable: the connection[-1] for -1783616310, is connected range[0, -1) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(-1): range [0, -1), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@9e872ca 4096 -1

@2862339302
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2862339302 commented Jun 11, 2018 •
edited

使用默认下载设置复现了这个问题，这次没有同时下载多个，直接下载的https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip。(还是上面那个下载地址)

log如下：

V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@30146e1], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
V/FileDownloader.FileDownloadEventPool: setListener event.service.connect.changed
I/FileDownloader.FileDownloadProperties: init properties 0
load properties: http.lenient=FALSE; process.non-separate=TRUE; download.min-progress-step=65536; download.min-progress-time=2000; download.max-network-thread-count=10; file.non-pre-allocation=FALSE; broadcast.completed=FALSE; download.trial-connection-head-method=FALSE
D/FileDownloader.LostServiceConnectedHandler: Waiting for connecting with the downloader service... -1783616310
D/FileDownloader.DownloadTaskHunter: free the task -1783616310, when the status is 10
D/FileDownloader.FileDownloadDatabase: refreshed data count: 0 , delete data count: 0, reset id count: 0. consume 2
V/FileDownloader.FileDownloadEventPool: asyncPublishInNewThread event.service.connect.changed
V/FileDownloader.FileDownloadEventPool: publish event.service.connect.changed
D/FileDownloader.LostServiceConnectedHandler: The downloader service is connected.
V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@30146e1], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
D/FileDownloader.FileDownloadMessenger: notify begin -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@4c75de by 11
V/FileDownloader.FileDownloadList: add list in all -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip) path(/storage/emulated/0/download/t100_145376.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[11] new[1] 1
D/FileDownloader.FileDownloadMessenger: notify pending -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[1] new[6] 1
D/FileDownloader.FileDownloadMessenger: notify started -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- -1783616310 request header {Range=[bytes=0-0], User-Agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {null=[HTTP/1.1 416 Requested Range Not Satisfiable], Accept-Ranges=[bytes], Access-Control-Allow-Methods=[POST,GET,HEDA], Access-Control-Allow-Origin=[], Access-Control-Max-Age=[0], Age=[2295], Cache-Control=[no-cache], Connection=[keep-alive], Content-Length=[0], Content-MD5=[6ih7kHGKOFHwkiFUnP1gWA==], Content-Range=[bytes /2327711], Content-Type=[application/zip], Date=[Mon, 11 Jun 2018 05:49:01 GMT], EagleId=[3b6c8aca15286984366371428e], ETag=["EA287B90718A3851F09221549CFD6058"], Last-Modified=[Tue, 13 Mar 2018 09:48:58 GMT], Server=[Tengine], Timing-Allow-Origin=[], Via=[cache28.l2nu17-1[0,416-0,H], cache41.l2nu17-1[1,0], cache10.cn370[16,416-1280,M], cache2.cn370[17,0]], X-Android-Received-Millis=[1528698436634], X-Android-Response-Source=[NETWORK 416], X-Android-Selected-Protocol=[http/1.1], X-Android-Sent-Millis=[1528698436607], X-Cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], X-Swift-CacheTime=[0], X-Swift-Error=[orig response 4XX error], X-Swift-SaveTime=[Mon, 11 Jun 2018 06:27:16 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
D/FileDownloader.ConnectTask: <---- -1783616310 request header {If-Match=["EA287B90718A3851F09221549CFD6058"], User-Agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {null=[HTTP/1.1 200 OK], Accept-Ranges=[bytes], Access-Control-Allow-Methods=[POST,GET,HEDA], Access-Control-Allow-Origin=[], Access-Control-Max-Age=[0], Age=[0], Connection=[keep-alive], Content-Length=[2327711], Content-MD5=[6ih7kHGKOFHwkiFUnP1gWA==], Content-Type=[application/zip], Date=[Mon, 11 Jun 2018 06:27:17 GMT], EagleId=[3b6c8aca15286984366811498e], ETag=["EA287B90718A3851F09221549CFD6058"], Last-Modified=[Tue, 13 Mar 2018 09:48:58 GMT], Server=[Tengine], Timing-Allow-Origin=[], Via=[cache10.l2et2-2[186,200-0,H], cache44.l2et2-2[1024,0], cache10.cn370[1049,200-0,M], cache2.cn370[1050,0]], X-Android-Received-Millis=[1528698438523], X-Android-Response-Source=[NETWORK 200], X-Android-Selected-Protocol=[http/1.1], X-Android-Sent-Millis=[1528698436650], X-Cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E1645875D829B5566ACD0], x-oss-server-time=[10], x-oss-storage-class=[Standard], X-Swift-CacheTime=[3600], X-Swift-SaveTime=[Mon, 11 Jun 2018 06:27:17 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
W/FileDownloader.FileDownloadUtils: don't get instance length fromContent-Range header
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[6] new[2] 1
D/FileDownloader.FileDownloadMessenger: notify connected -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.RemitDatabase: sync cache to db -1783616310
D/FileDownloader.ConnectTask: <---- -1783616310 request header {If-Match=["EA287B90718A3851F09221549CFD6058"], Range=[bytes=0-], User-Agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {null=[HTTP/1.1 206 Partial Content], Accept-Ranges=[bytes], Access-Control-Allow-Methods=[POST,GET,HEDA], Access-Control-Allow-Origin=[], Access-Control-Max-Age=[0], Age=[1], Connection=[keep-alive], Content-Length=[2327711], Content-MD5=[6ih7kHGKOFHwkiFUnP1gWA==], Content-Range=[bytes 0-2327710/2327711], Content-Type=[application/zip], Date=[Mon, 11 Jun 2018 06:27:17 GMT], EagleId=[3b6c8aca15286984387025357e], ETag=["EA287B90718A3851F09221549CFD6058"], Last-Modified=[Tue, 13 Mar 2018 09:48:58 GMT], Server=[Tengine], Timing-Allow-Origin=[*], Via=[cache10.l2et2-2[186,200-0,H], cache44.l2et2-2[1024,0], cache10.cn370[0,206-0,H], cache2.cn370[1,0]], X-Android-Received-Millis=[1528698438992], X-Android-Response-Source=[NETWORK 206], X-Android-Selected-Protocol=[http/1.1], X-Android-Sent-Millis=[1528698438672], X-Cache=[HIT TCP_MEM_HIT dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E1645875D829B5566ACD0], x-oss-server-time=[10], x-oss-storage-class=[Standard], X-Swift-CacheTime=[3600], X-Swift-SaveTime=[Mon, 11 Jun 2018 06:27:17 GMT]}
D/FileDownloader.DownloadRunnable: the connection[-1] for -1783616310, is connected range[0, -1) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(-1): range [0, -1), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119 4096 -1
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[3] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@c42f119 20451 -1

再补充个正常log:
V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@f09aae6], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
D/FileDownloader.FileDownloadMessenger: notify begin -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@4a8e47d by 11
V/FileDownloader.FileDownloadList: add list in all -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip) path(/storage/emulated/0/download/t100_145376.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[11] new[1] 1
D/FileDownloader.FileDownloadMessenger: notify pending -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[1] new[6] 1
D/FileDownloader.ConnectTask: <---- -1783616310 request header {Range=[bytes=0-0], User-Agent=[FileDownloader/1.7.4]}
D/FileDownloader.FileDownloadMessenger: notify started -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: ----> -1783616310 response header {null=[HTTP/1.1 206 Partial Content], Accept-Ranges=[bytes], Access-Control-Allow-Methods=[POST,GET,HEDA], Access-Control-Allow-Origin=[], Access-Control-Max-Age=[0], Age=[3042], Connection=[keep-alive], Content-Length=[1], Content-MD5=[6ih7kHGKOFHwkiFUnP1gWA==], Content-Range=[bytes 0-0/2327711], Content-Type=[application/zip], Date=[Mon, 11 Jun 2018 05:49:01 GMT], EagleId=[ca61e70715286991832721651e], ETag=["EA287B90718A3851F09221549CFD6058"], Last-Modified=[Tue, 13 Mar 2018 09:48:58 GMT], Server=[Tengine], Timing-Allow-Origin=[], Via=[cache28.l2nu17-1[0,200-0,H], cache9.l2nu17-1[1,0], kunlun6.cn386[0,206-0,H], kunlun7.cn386[1,0]], X-Android-Received-Millis=[1528699183256], X-Android-Response-Source=[NETWORK 206], X-Android-Selected-Protocol=[http/1.1], X-Android-Sent-Millis=[1528699183228], X-Cache=[HIT TCP_MEM_HIT dirn:9:796361604 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], X-Swift-CacheTime=[3600], X-Swift-SaveTime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[6] new[2] 1
D/FileDownloader.FileDownloadMessenger: notify connected -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.DownloadLaunchRunnable: fetch data with multiple connection(count: [2]) for task[-1783616310] totalLength[2327711]
D/FileDownloader.DownloadLaunchRunnable: enable multiple connection: id[-1783616310] index[0] range[0, 1163854) current offset(0)
D/FileDownloader.DownloadLaunchRunnable: enable multiple connection: id[-1783616310] index[1] range[1163855, -1) current offset(1163855)
D/FileDownloader.ConnectTask: <---- -1783616310 request header {Range=[bytes=1163855-], User-Agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: <---- -1783616310 request header {Range=[bytes=0-1163854], User-Agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {null=[HTTP/1.1 206 Partial Content], Accept-Ranges=[bytes], Access-Control-Allow-Methods=[POST,GET,HEDA], Access-Control-Allow-Origin=[], Access-Control-Max-Age=[0], Age=[3042], Connection=[keep-alive], Content-Length=[1163855], Content-MD5=[6ih7kHGKOFHwkiFUnP1gWA==], Content-Range=[bytes 0-1163854/2327711], Content-Type=[application/zip], Date=[Mon, 11 Jun 2018 05:49:01 GMT], EagleId=[ca61e70815286991833385517e], ETag=["EA287B90718A3851F09221549CFD6058"], Last-Modified=[Tue, 13 Mar 2018 09:48:58 GMT], Server=[Tengine], Timing-Allow-Origin=[], Via=[cache28.l2nu17-1[0,200-0,H], cache9.l2nu17-1[1,0], kunlun6.cn386[0,206-0,H], kunlun8.cn386[1,0]], X-Android-Received-Millis=[1528699183607], X-Android-Response-Source=[NETWORK 206], X-Android-Selected-Protocol=[http/1.1], X-Android-Sent-Millis=[1528699183293], X-Cache=[HIT TCP_MEM_HIT dirn:9:796361604 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B1E0D4D8ED50900374185A3], x-oss-server-time=[6], x-oss-storage-class=[Standard], X-Swift-CacheTime=[3600], X-Swift-SaveTime=[Mon, 11 Jun 2018 05:49:01 GMT]}
D/FileDownloader.DownloadRunnable: the connection[0] for -1783616310, is connected range[0, 1163854) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(0): range [0, 1163854), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4 32710 2327711
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[3] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@12d8ad4 69516 2327711
D/FileDownloader.MessageSnapshotGate: updateKeepFlow

@rantianhua
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rantianhua commented Jun 11, 2018 •
edited

问题知道了，从你最后给的异常的日志可以看到，第一次请求的时候，request header 为：

Range=[bytes=0-0], User-Agent=[FileDownloader/1.7.4]

对应的 response header 为：

null=[HTTP/1.1 416 Requested Range Not Satisfiable]

但是同样的请求，在你提供的正常的日志里面， response header 为：

null=[HTTP/1.1 206 Partial Content

第一次的请求就是为了获取文件长度，并不下载实际内容，所以 GET 请求里面，Range 为 0-0 ，这是一个正常的请求，而服务器却返回了 416 ，这种情况下，会直接重试第一次请求且去掉了 Range ，然而此时服务器又没有在 response 里面返回 Content-Range 字段，导致没有获取到文件长度。总的来说，这是服务器没有严格按照协议实现的结果，并不是 FileDownloader 的问题。

当然，你也可以尝试通过 FileDownloader 绕过这个问题。有两种方式：

  1. 在 filedownloader.properties 里面配置 download.trial-connection-head-method=true ，此时第一次的请求将会用 HEAD 方法。
  2. 在 1.7.5 里面，为处理 第一次无法获取到的文件大小是-1，导致进度条不显示，点击暂停后，再次开始下载就好了，如何解决 #1027 ，对 416 做了特殊处理，当然这本质也是因为服务器的问题，FileDownloader 只是做了下兼容而已。1.7.5 并没有 release ，你现在可以使用它的 snapshot 版本，具体在 README 里面有介绍。

你可以尝试上面两种方式，且希望你能提供这两种方式的反馈。

@2862339302
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反馈两种方式的多次测试结果：
1.在 1.7.4 的 filedownloader.properties 里面配置 download.trial-connection-head-method=true
结果失败，log如下。
V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@cfdb576], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
D/FileDownloader.FileDownloadMessenger: notify begin -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@2461c4d by 11
V/FileDownloader.FileDownloadList: add list in all -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip) path(/storage/emulated/0/download/t100_145376.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[11] new[1] 1
D/FileDownloader.FileDownloadMessenger: notify pending -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[1] new[6] 1
D/FileDownloader.ConnectTask: <---- -1783616310 request header {range=[bytes=0-0], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.FileDownloadMessenger: notify started -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[0], cache-control=[no-cache], content-length=[0], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes /2327711], content-type=[application/zip], date=[Thu, 14 Jun 2018 08:35:01 GMT], eagleid=[3b6c8ad015289653019016626e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,416-0,H], cache12.l2nu17-1[0,0], cache10.cn370[73,416-1280,M], cache8.cn370[74,0]], x-cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B2228B5EE045E31743BF484], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[0], x-swift-error=[orig response 4XX error], x-swift-savetime=[Thu, 14 Jun 2018 08:35:01 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
D/FileDownloader.ConnectTask: <---- -1783616310 request header {if-match=["EA287B90718A3851F09221549CFD6058"], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[1], content-length=[2327711], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-type=[application/zip], date=[Thu, 14 Jun 2018 08:35:01 GMT], eagleid=[3b6c8ad015289653020066785e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,200-0,H], cache45.l2nu17-1[1,0], cache10.cn370[14,200-0,M], cache8.cn370[15,0]], x-cache=[MISS TCP_MISS dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B2228B5EE045E31743BF484], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Thu, 14 Jun 2018 08:35:02 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
W/FileDownloader.FileDownloadUtils: don't get instance length fromContent-Range header
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[6] new[2] 1
D/FileDownloader.FileDownloadMessenger: notify connected -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- -1783616310 request header {if-match=["EA287B90718A3851F09221549CFD6058"], range=[bytes=0-], user-agent=[FileDownloader/1.7.4]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[1], content-length=[2327711], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes 0-2327710/2327711], content-type=[application/zip], date=[Thu, 14 Jun 2018 08:35:01 GMT], eagleid=[3b6c8ad015289653020506859e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[*], via=[cache28.l2nu17-1[0,200-0,H], cache45.l2nu17-1[1,0], cache10.cn370[0,206-0,H], cache8.cn370[1,0]], x-cache=[HIT TCP_MEM_HIT dirn:-2:-2 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B2228B5EE045E31743BF484], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Thu, 14 Jun 2018 08:35:02 GMT]}
D/FileDownloader.DownloadRunnable: the connection[-1] for -1783616310, is connected range[0, -1) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(-1): range [0, -1), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4 4096 -1
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[3] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@7c07fe4 52428 -1

2.使用1.7.5-SNAPSHOT，结果成功，附上log。
V/FileDownloader.DownloadTaskHunter: call start Url[https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip], Path[/storage/emulated/0/download/t100_145376.zip] Listener[com.handwriting.makefont.commlogic.FileDownloadManager$1@26fa837], Tag[null]
V/FileDownloader.DownloadTaskHunter: the task[-1783616310] has been into the launch pool.
D/FileDownloader.FileDownloadMessenger: notify begin -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d
V/FileDownloader.DownloadTaskHunter: filedownloader:lifecycle:start com.liulishuo.filedownloader.DownloadTaskHunter@2597ac2 by 11
V/FileDownloader.FileDownloadList: add list in all -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d 11 1
D/FileDownloader.FileDownloadManager: request start the task with url(https://devimg.xiezixiansheng.com/users/3/322/handzip/t100_145376.zip) path(/storage/emulated/0/download/t100_145376.zip) isDirectory(FALSE)
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[11] new[1] 1
D/FileDownloader.FileDownloadMessenger: notify pending -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[1] new[6] 1
D/FileDownloader.FileDownloadMessenger: notify started -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.ConnectTask: <---- -1783616310 request header {range=[bytes=0-0], user-agent=[FileDownloader/1.7.5-SNAPSHOT]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[1026], content-length=[1], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes 0-0/2327711], content-type=[application/zip], date=[Thu, 14 Jun 2018 08:35:01 GMT], eagleid=[3b6c8acb15289663278268185e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,200-0,H], cache45.l2nu17-1[1,0], cache10.cn370[0,206-0,H], cache3.cn370[1,0]], x-cache=[HIT TCP_MEM_HIT dirn:8:84608423 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B2228B5EE045E31743BF484], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Thu, 14 Jun 2018 08:35:02 GMT]}
D/FileDownloader.FileDownloadUtils: etag find "EA287B90718A3851F09221549CFD6058" for task(-1783616310)
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[6] new[2] 1
D/FileDownloader.FileDownloadMessenger: notify connected -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
D/FileDownloader.FileDownloadUtils: can't continue -1783616310 file not suit, exists[FALSE], directory[FALSE]
D/FileDownloader.ConnectTask: <---- -1783616310 request header {if-match=["EA287B90718A3851F09221549CFD6058"], range=[bytes=0-], user-agent=[FileDownloader/1.7.5-SNAPSHOT]}
D/FileDownloader.ConnectTask: ----> -1783616310 response header {accept-ranges=[bytes], access-control-allow-methods=[POST,GET,HEDA], access-control-allow-origin=[], access-control-max-age=[0], age=[1026], content-length=[2327711], content-md5=[6ih7kHGKOFHwkiFUnP1gWA==], content-range=[bytes 0-2327710/2327711], content-type=[application/zip], date=[Thu, 14 Jun 2018 08:35:01 GMT], eagleid=[3b6c8acb15289663278728266e], etag=["EA287B90718A3851F09221549CFD6058"], last-modified=[Tue, 13 Mar 2018 09:48:58 GMT], server=[Tengine], timing-allow-origin=[], via=[cache28.l2nu17-1[0,200-0,H], cache45.l2nu17-1[1,0], cache10.cn370[0,206-0,H], cache3.cn370[2,0]], x-cache=[HIT TCP_MEM_HIT dirn:8:84608423 mlen:-1], x-oss-hash-crc64ecma=[2764693949817094816], x-oss-object-type=[Normal], x-oss-request-id=[5B2228B5EE045E31743BF484], x-oss-server-time=[6], x-oss-storage-class=[Standard], x-swift-cachetime=[3600], x-swift-savetime=[Thu, 14 Jun 2018 08:35:02 GMT]}
D/FileDownloader.DownloadRunnable: the connection[-1] for -1783616310, is connected range[0, -1) current offset[0] with code[206]
D/FileDownloader.FetchDataTask: start fetch(-1): range [0, -1), seek to[0]
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress update model's status with progress
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[2] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d 4096 2327711
D/FileDownloader.MessageSnapshotGate: updateKeepFlow
I/FileDownloader.DownloadStatusCallback: inspectNeedCallbackToUser need callback to user
I/FileDownloader.DownloadStatusCallback: handleProgress notify user progress status
D/FileDownloader.MessageSnapshotGate: ~~~callback -1783616310 old[3] new[3] 1
D/FileDownloader.FileDownloadMessenger: notify progress -1783616310@com.liulishuo.filedownloader.DownloadTask@fa72b0d 28369 2327711

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OK，那等 1.7.5 release 吧

@Jacksgong Jacksgong added this to the 1.7.5 milestone Aug 3, 2018
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@Jacksgong @rantianhua @2862339302