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Gregor Gabriel edited comment on CB-2787 at 6/7/13 3:57 PM: ------------------------------------------------------------ I have the same problem. {code:xml} ... about 300 downloads worked well ... 06-07 16:18:29.533: D/FileTransfer(6548): download https://elearning-mobile.de.tuv.com:443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3 to file:///storage/emulated/0/content/https/elearning-mobile.de.tuv.com443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3 06-07 16:18:29.603: D/FileTransfer(6548): Download file:https://elearning-mobile.de.tuv.com:443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3 06-07 16:18:29.643: E/FileTransfer(6548): {"target":"file:\/\/\/storage\/emulated\/0\/content\/https\/elearning-mobile.de.tuv.com443\/content\/ada\/ada06\/ada06q01-6\/sounds\/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3","source":"https:\/\/elearning-mobile.de.tuv.com:443\/content\/ada\/ada06\/ada06q01-6\/sounds\/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3","http_status":200,"code":1} 06-07 16:18:29.643: E/FileTransfer(6548): java.io.FileNotFoundException: /storage/emulated/0/content/https/elearning-mobile.de.tuv.com443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3: open failed: EMFILE (Too many open files) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.IoBridge.open(IoBridge.java:416) 06-07 16:18:29.643: E/FileTransfer(6548): at java.io.FileOutputStream.<init>(FileOutputStream.java:88) 06-07 16:18:29.643: E/FileTransfer(6548): at java.io.FileOutputStream.<init>(FileOutputStream.java:73) 06-07 16:18:29.643: E/FileTransfer(6548): at org.apache.cordova.FileTransfer$4.run(FileTransfer.java:808) 06-07 16:18:29.643: E/FileTransfer(6548): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 06-07 16:18:29.643: E/FileTransfer(6548): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 06-07 16:18:29.643: E/FileTransfer(6548): at java.lang.Thread.run(Thread.java:856) 06-07 16:18:29.643: E/FileTransfer(6548): Caused by: libcore.io.ErrnoException: open failed: EMFILE (Too many open files) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.Posix.open(Native Method) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.IoBridge.open(IoBridge.java:400) 06-07 16:18:29.643: E/FileTransfer(6548): ... 6 more {code} I use cordova 2.7 (same effect with cordova 2.2) My app worked fine on Android 2.3, 3.x With Android 4.0 I got this issue, but using a timeout of 1 millisecond solved my problem. This workaround also worked for Android 4.1.x. But now with Android 4.2.2 (Nexus 7) I can't get rid of this problem, even with bigger timeouts My code looks like this: {code:javascript} var urls=['http://foo', ..., 'http://bar']; var loader = new FileTransfer(); function loader(){ var url = window.urls.pop(); if(url === undefined) return; window.loader.download( url, window.getAbsoluteFileNameForUrl(url), function(e){setTimeout(loader,100)}, function(e){setTimeout(loader,100)} ); } {code} was (Author: ggabriel): I have the same problem. {code:xml} 06-07 16:18:29.533: D/FileTransfer(6548): download https://elearning-mobile.de.tuv.com:443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3 to file:///storage/emulated/0/content/https/elearning-mobile.de.tuv.com443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3 06-07 16:18:29.603: D/FileTransfer(6548): Download file:https://elearning-mobile.de.tuv.com:443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3 06-07 16:18:29.643: E/FileTransfer(6548): {"target":"file:\/\/\/storage\/emulated\/0\/content\/https\/elearning-mobile.de.tuv.com443\/content\/ada\/ada06\/ada06q01-6\/sounds\/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3","source":"https:\/\/elearning-mobile.de.tuv.com:443\/content\/ada\/ada06\/ada06q01-6\/sounds\/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3","http_status":200,"code":1} 06-07 16:18:29.643: E/FileTransfer(6548): java.io.FileNotFoundException: /storage/emulated/0/content/https/elearning-mobile.de.tuv.com443/content/ada/ada06/ada06q01-6/sounds/26B73D46-072B-43AB-ADFB-31ECBA18A975.mp3: open failed: EMFILE (Too many open files) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.IoBridge.open(IoBridge.java:416) 06-07 16:18:29.643: E/FileTransfer(6548): at java.io.FileOutputStream.<init>(FileOutputStream.java:88) 06-07 16:18:29.643: E/FileTransfer(6548): at java.io.FileOutputStream.<init>(FileOutputStream.java:73) 06-07 16:18:29.643: E/FileTransfer(6548): at org.apache.cordova.FileTransfer$4.run(FileTransfer.java:808) 06-07 16:18:29.643: E/FileTransfer(6548): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 06-07 16:18:29.643: E/FileTransfer(6548): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 06-07 16:18:29.643: E/FileTransfer(6548): at java.lang.Thread.run(Thread.java:856) 06-07 16:18:29.643: E/FileTransfer(6548): Caused by: libcore.io.ErrnoException: open failed: EMFILE (Too many open files) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.Posix.open(Native Method) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110) 06-07 16:18:29.643: E/FileTransfer(6548): at libcore.io.IoBridge.open(IoBridge.java:400) 06-07 16:18:29.643: E/FileTransfer(6548): ... 6 more {code} I use cordova 2.7 (same effect with cordova 2.2) My app worked fine on Android 2.3, 3.x With Android 4.0 I got this issue, but using a timeout of 1 millisecond solved my problem. This workaround also worked for Android 4.1.x. But now with Android 4.2.2 (Nexus 7) I can't get rid of this problem, even with bigger timeouts My code looks like this: {code:javascript} var urls=['http://foo', ..., 'http://bar']; var loader = new FileTransfer(); function loader(){ var url = window.urls.pop(); if(url === undefined) return; window.loader.download( url, window.getAbsoluteFileNameForUrl(url), function(e){setTimeout(loader,100)}, function(e){setTimeout(loader,100)} ); } {code} > PhoneGap FileTransfer.Download more than 300 files > -------------------------------------------------- > > Key: CB-2787 > URL: https://issues.apache.org/jira/browse/CB-2787 > Project: Apache Cordova > Issue Type: Bug > Components: Android > Affects Versions: 2.5.0 > Reporter: Cho > Assignee: Ian Clelland > > I had tried to download more than 300 files and then it hit error after that. > Seems like some IO Connection was not properly closed. I wrote a small code > to test it out. > Any idea? How to file a report or get a source of phonegap to check the real > cause? > {code} > var counter = 500; > function DownloadFile() { > if (counter == 0) { > DownloadComplete(); > return; > } > var ft = new FileTransfer(); > var downloadUrl = "<source>"; > var dlPath = "<target>" > ft.download(downloadUrl, dlPath, function(entry) { > counter--; > UpdateProgress(); > DownloadFile(); > }, function(error) { > DownloadFailed(); > }, true); > } > {code} > note: <target> and <source> is alright because it was it failed when the > counter goes until 300+. > {code} > 03-14 08:35:09.706: E/FileTransfer(24867): > {"target":"<target>","source":"<source>","http_status":200,"code":1} > 03-14 08:35:09.706: E/FileTransfer(24867): java.io.FileNotFoundException: > <source>: open failed: EMFILE (Too many open files) > 03-14 08:35:09.706: E/FileTransfer(24867): at > libcore.io.IoBridge.open(IoBridge.java:416) > 03-14 08:35:09.706: E/FileTransfer(24867): at > java.io.FileOutputStream.<init>(FileOutputStream.java:88) > 03-14 08:35:09.706: E/FileTransfer(24867): at > java.io.FileOutputStream.<init>(FileOutputStream.java:73) > 03-14 08:35:09.706: E/FileTransfer(24867): at > org.apache.cordova.FileTransfer$4.run(FileTransfer.java:685) > 03-14 08:35:09.706: E/FileTransfer(24867): at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) > 03-14 08:35:09.706: E/FileTransfer(24867): at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569) > 03-14 08:35:09.706: E/FileTransfer(24867): at > java.lang.Thread.run(Thread.java:856) > 03-14 08:35:09.706: E/FileTransfer(24867): Caused by: > libcore.io.ErrnoException: open failed: EMFILE (Too many open files) > 03-14 08:35:09.706: E/FileTransfer(24867): at > libcore.io.Posix.open(Native Method) > 03-14 08:35:09.706: E/FileTransfer(24867): at > libcore.io.BlockGuardOs.open(BlockGuardOs.java:110) > 03-14 08:35:09.706: E/FileTransfer(24867): at > libcore.io.IoBridge.open(IoBridge.java:400) > 03-14 08:35:09.706: E/FileTransfer(24867): ... 6 more > {code} -- This message is automatically generated by JIRA. 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