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Sharing violation on Android using Xamarin Forms

See original GitHub issue

Hi,

Have randomly been getting the following error:

Unable to retrieve image data
System.IO.IOException: Sharing violation on path /data/user/0/<project>/cache/ImageService/7b8116362b9408c1d5e7437479980e90

Unfortunately I’m unable to provide an example to replicate the issue as it happens randomly. The app I’m using your awesome package with does a lot of image downloading on app load so perhaps there’s too much happening at once?

Here’s the full stack trace:

System.IO.IOException: Sharing violation on path /data/user/0/<project>/cache/ImageService/7b8116362b9408c1d5e7437479980e90
  at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean anonymous, FileOptions options) [0x0026d] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.IO/FileStream.cs:257 
  at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean isAsync, Boolean anonymous) [0x00000] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.IO/FileStream.cs:157 
  at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access) [0x00000] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.IO/FileStream.cs:92 
  at (wrapper remoting-invoke-with-check) System.IO.FileStream:.ctor (string,System.IO.FileMode,System.IO.FileAccess)
  at FFImageLoading.IO.FileStore.GetOutputStream (System.String path) [0x00000] in <filename unknown>:0 
  at FFImageLoading.Cache.DiskCache+<AddOrUpdateAsync>c__async0.MoveNext () [0x00072] in <filename unknown>:0 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142 
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter.GetResult () [0x00000] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:477 
  at FFImageLoading.Cache.DownloadCache+<DownloadAndCacheAsync>c__async2.MoveNext () [0x003b6] in <filename unknown>:0 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142 
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1+ConfiguredTaskAwaiter[System.IO.MemoryStream].GetResult () [0x00000] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:580 
  at FFImageLoading.Cache.DownloadCache+<GetStreamAsync>c__async1.MoveNext () [0x00102] in <filename unknown>:0 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142 
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1+ConfiguredTaskAwaiter[FFImageLoading.Cache.CacheStream].GetResult () [0x00000] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:580 
  at FFImageLoading.Work.StreamResolver.UrlStreamResolver+<GetStream>c__async0.MoveNext () [0x0008f] in <filename unknown>:0 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142 
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1+ConfiguredTaskAwaiter[FFImageLoading.Work.WithLoadingResult`1[System.IO.Stream]].GetResult () [0x00000] in /Users/builder/data/lanes/2185/53fce373/source/mono/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:580 
  at FFImageLoading.Work.ImageLoaderTask+<GetStreamAsync>c__async5.MoveNext () [0x000e4] in <filename unknown>:0

Issue Analytics

  • State:closed
  • Created 8 years ago
  • Comments:9 (5 by maintainers)

github_iconTop GitHub Comments

1reaction
molinchcommented, Jan 24, 2018

Hi @pMaske this has nothing to do with FFImageLoading, the lib is only about images, it has no business with CSV files. I guess you should look into your usage of that file, how you open/close the file streams.

0reactions
pMaskecommented, Jan 23, 2018

Actually I am getting this error. My app creates a csv file to sdcard. when I attempt to open that csv later file I get following error

[0:] Test run failed: System.IO.IOException: Sharing violation on path /storage/emulated/0/UnitTestLogs/2018_01_23_12-16-52_Android_UnitTest_Results.csv at System.IO.FileStream…ctor (System.String path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, System.Int32 bufferSize, System.Boolean anonymous, System.IO.FileOptions options) [0x001e4] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/corlib/System.IO/FileStream.cs:247 at System.IO.FileStream…ctor (System.String path, System.IO.FileMode mode) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/corlib/System.IO/FileStream.cs:81 at (wrapper remoting-invoke-with-check) System.IO.FileStream:.ctor (string,System.IO.FileMode)

 using (Stream stream = new FileStream(m_resultsWriter.CsvFilePath, FileMode.Open)) \this line throws error
                {
...
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