File move is failing in Batch operation

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Posted on by Pradeep_Prakash

717

Hi All,

System.IO.file::Move fails : The process cannot access the file because it is being used by another process. in ax 2012.

Can somebody guide me how to resolve this issue.

Regards,

Pradeep

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Iulian Cordobin 8,201 on at

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So, if the code is written to be run in batch, this means that the code is running on the AOS server. As a result the files paths should be either valid paths on the server or UNC paths (shared paths), but I guess this is not the issue here since the code can locate the file, as it would seem from the error you get (that is not complaining that the file can't be found).

The error should provide enough information with the fact that you actually have the file open in some manner that doesn't allow moving (either in AX for reading as a stream, or in another process, like Excel?). Can you check this first and make sure your code is not the problem (for instance not closing the file handle you have opened, or editing the file). Also, a question, this file would be what type? csv, txt, etc?

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Dick Wenning 8,705 Moderator on at

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when completing the write operation, close the file correct by using the finalize() function.

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Pradeep_Prakash 717 on at

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Thanks Iulian and Dick. Can you please tell me, which finalize should be called?

Regards,

Pradeep

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Pradeep_Prakash 717 on at

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Below is my code

while (li.more())

{

ttsbegin;

filename = li.value();

this.Update();

ttsCommit; // 160107/pewi

[filePath, fileName, fileExt] = fileNameSplit(Filename);

System.IO.File::Move(filePath + fileName + fileExt, filePath + "Arkiv\\" + fileName + fileExt);

li.next();

ttscommit;

}

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Iulian Cordobin 8,201 on at

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For sure you don't want to move the file in the middle of parsing it.

You can try to move the following code outside the while statement, and also call a .Close() on the file or stream variable you have in your code (but it's not shown in your post)

[filePath, fileName, fileExt] = fileNameSplit(Filename);

System.IO.File::Move(filePath + fileName + fileExt, filePath + "Arkiv\\" + fileName + fileExt);

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Pradeep_Prakash 717 on at

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Do you want me to loop all the files again outside the loop and move to the new path.

What is the advantage of doing that?

Regards,

Pradeep

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Pradeep_Prakash 717 on at

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Iulian,

Can you tell me how to use .close() on the file? I'm not very sure on that.

Regards,

Pradeep

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Pradeep_Prakash 717 on at

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try

{

filelist = ACA_AutogiroImport::buildFilesList(ACA_AutogiroParameters::find().Filename_Import);

li = new ListIterator(filelist);

liLocal = new ListIterator(filelist);

li.begin();

while (li.more())

{

ttsbegin;

filename = li.value();

//this.Update();

ttsCommit; // 160107/pewi

//[filePath, fileName, fileExt] = fileNameSplit(Filename);

perm.assert();

sw = new System.IO.StreamWriter(filePath + fileName + fileExt);

//System.IO.File::Move(filePath + fileName + fileExt, filePath + "Arkiv\\" + fileName + fileExt);

sw.Flush();

sw.Close();

sw.Dispose();

CodeAccessPermission::revertAssert();

//ACA_AutogiroImport::copyFileClientServer(Filename);

//ACA_AutogiroImport::deleteFileClientServer(Filename);

li.next();

// 160107/pewi ttscommit;

}

while (liLocal.more())

{

filename = liLocal.value();

[filePath, fileName, fileExt] = fileNameSplit(Filename);

System.IO.File::Move(filePath + fileName + fileExt, filePath + "Arkiv\\" + fileName + fileExt);

liLocal.next();

}

}

The new change also doesn't seem to work. Can somebody suggest, If I'm missing something.

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Pradeep_Prakash 717 on at

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getting below error with this new code

System.UnauthorizedAccessException: Access to the path '\\10.103.97.11\Ax\DiverseFiler\Autogiro\Import\BFEP.UAGAG.K0145672.D151029.T113111.v001' is denied.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)

at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)

at System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize, Boolean checkHost)

at System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize)

at System.IO.StreamWriter..ctor(String path)

at Dynamics.Ax.Application.ACA_AutogiroImport.Run() in ACA_AutogiroImport.run.xpp:line 38

at Dynamics.Ax.Application.BatchRun.runJobStaticCode(Int64 batchId) in BatchRun.runJobStaticCode.xpp:line 54

at Dynamics.Ax.Application.BatchRun.runJobStatic(Int64 batchId) in BatchRun.runJobStatic.xpp:line 13

at BatchRun::runJobStatic(Object[] )

at Microsoft.Dynamics.Ax.Xpp.ReflectionCallHelper.MakeStaticCall(Type type, String MethodName, Object[] parameters)

at BatchIL.taskThreadEntry(Object threadArg)

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Iulian Cordobin 8,201 on at

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Alright, so first thing.

The new code you've pasted tells another whole story to actually what you are trying to do: looks like, you get a list of files to move, you parse the the list, and move the file.

However, I just noticed a first issue: what is with the this.update() statement. It has no logic there - please explain what you are trying to achieve.

Second, the initial code, from the standpoint of what I've just described looks alright now the way it was written, so for sure there must be some other problem, like access rights (the new error message you are getting let's us know that).

Can you please make sure the following are done:

1. you can use the inital code you've pasted;

2. look into the this.update() - it looks like you are not changing any value so why updating (whatever it is you're updating)?

3. make sure you run this with only one file (to be moved) for starters, that is not opened by another external application and that you have RW access to the initial file as well as the path you are writing to;

4. make sure you do not have an already existing file in your destination. The Move does not overwrite an existing file and it fails with an error. So, it would be best to check first in the code if the file exists (using System.IO.File::Exists())

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