FileNotFoundException in GroupDocs. File.Move call fails sometimes

GroupDocs.Search Product Family
1

Hello,

We run into a bug in GroupDocs when creating an index.

Our code is once again very simple:

var index = new GroupDocs.Search.Index(indexDirectory, new IndexSettings { }, overwriteIfExists: false);

index.Add(scanTarget, new IndexingOptions { });

This is the exception, which comes from GroupDocs (maybe a concurrency problem?). We made sure to not create/update the index from multiple threads at the same time…

System.IO.FileNotFoundException: Could not find file 'C:\ProgramData\Test\Indices\T_26\1.temp'. 
File name: 'C:\ProgramData\Test\Indices\T_26\1.temp'
   at System.IO.File.Move(String sourceFileName, String destFileName, Boolean overwrite)
   at .(String )
   at .()
   at .()"

The problem occurs only sometimes. We have no clear repro so far. If we get one, we will post it here.

1 Like
2

@jamsharp

Using the provided code, we were unable to reproduce this issue on our end.

Please share any additional details you can, such as a screencast or video of the issue, to help us better understand and investigate the problem.

3

At the moment, we speculate that it is caused by this:

We have this long running operation (let’s just assume, it takes 1 hour)

var index = new Index(index42Directory, indexSettings, false);
index.Add(...)

and we think, that during this, one more index instance was created on a different thread for the same directory:

var index = new Index(index42Directory);

If it was caused by this, it would be a mistake from our side, right?

1 Like
4

@jamsharp

Yes, it seems that the issue is indeed caused by trying to access the same directory while it is being used by another thread.

5

Ok. You can close this ticket here.
This was an issue on our side!

6