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Subject Topic: BayesFilter - SaveDataBase IO error Post ReplyPost New Topic
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hörnchenmeister
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Posted: 09 March 2011 at 2:25am | IP Logged Quote hörnchenmeister

Hi all,
I am facing a problem when trying to save the bayes database to disk.

I have an application where users can select mails from a list and mark them as spam/ham. Marking them as spam will result in a call to the TrainFilter method.

As long as only one mail is selected the call succeeds. If the user has multiple mails selected the call fails with the following error:

MailBee.MailBeeIOException: IOException occurred
The process cannot access the file 'ham.dat' because it is being used by another process.

The file resides on a network share.

Calls to the TrainFilter method are made like this:

void MarkAsSpam()
{
- Load database
- TrainFilter
- Save database
- setting filter to null
}

I assumed at least after setting the filter to null and leaving the scope that the file would be freed again, but as soon as the loop executes the second time (sometimes it takes more loops until the error occurs) it fails.

Any advise is kindly appreciated,
best regards
Andy
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Igor
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Posted: 09 March 2011 at 3:19am | IP Logged Quote Igor

Have reported this to the developers. Will let you know once there are news from them.

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hörnchenmeister
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Posted: 09 March 2011 at 8:09am | IP Logged Quote hörnchenmeister

Thank you Igor, I really appreciate it.
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hörnchenmeister
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Posted: 17 March 2011 at 8:22am | IP Logged Quote hörnchenmeister

Igor wrote:
Have reported this to the developers. Will let you know once there are news from them.

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Igor, AfterLogic Support



Hi Igor,
is there any progress regarding this problem?

best regards
Andy
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Igor
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Posted: 17 March 2011 at 8:29am | IP Logged Quote Igor

Intermediate update of the DLL is available:

http://www.afterlogic.com/updates/mailbee_net_2.zip

Try it and let us know if the update helps. Thank you!

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hörnchenmeister
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Posted: 17 March 2011 at 8:47am | IP Logged Quote hörnchenmeister

Hi Igor,
thanks a lot for the prompt reply.

I replaced out version 6.6 with the one I downloaded (MailBee.NET (6.7.2.280)), unfortunately it still throws this error (I had to translate it to english):
Message: MailBee.MailBeeIOException: IOException occurred. InnerException message follows: The Process can not access file "\\share1\ham.dat" because it is used by another process. ---> System.IO.IOException: The Process can not access file "\\share1\ham.dat" because it is used by another process.     bei System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)     bei 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)     bei System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)     bei System.IO.File.Open(String path, FileMode mode, FileAccess access, FileShare share)     bei he.a(String A_0, Boolean A_1)     --- Ende der internen Ausnahmestapelüberwachung ---     bei he.a(String A_0, Boolean A_1)     bei MailBee.AntiSpam.BayesFilter.SaveDatabase(String spamFilename, String nonSpamFilename, Int32 threshold, Boolean saveAlways)     bei MailBee.AntiSpam.BayesFilter.SaveDatabase(String spamFilename, String nonSpamFilename)

Let me know if I can provide additional information
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Igor
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Posted: 17 March 2011 at 8:50am | IP Logged Quote Igor

Got it. Have forwarded this to the developer, will keep you posted.

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Igor, AfterLogic Support
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hörnchenmeister
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Posted: 17 March 2011 at 8:56am | IP Logged Quote hörnchenmeister

Thanks a lot Igor ;)
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Igor
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Posted: 25 March 2011 at 7:20am | IP Logged Quote Igor

I believe you'd be pleased to know that new API is implemented in current build of MailBee.NET Objects, it
includes a delegate which can check if the file is locked so based on the result you can decide whether you
should proceed with saving or not. Please check this documentation page.

Hope this helps!

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hörnchenmeister
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Posted: 07 April 2011 at 3:54am | IP Logged Quote hörnchenmeister

Hi Igor,
Thanks a lot for this information.
I'll try to implement it right away.

have a great day and thank you for your support,
best regards
Andy
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halwits2011
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Posted: 22 September 2011 at 10:44pm | IP Logged Quote halwits2011

Its a great and very useful for us.
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