This has been fixed in JTAlert 2.5.2
And 2.5.3 will be out shortly that fixes decodes with wsjtx 1.3 or earlier.
Mike W9MDB

-----Original Message-----
From: Bill Somerville [mailto:g4...@classdesign.com] 
Sent: Sunday, November 16, 2014 6:41 AM
To: wsjt-devel@lists.sourceforge.net
Subject: Re: [wsjt-devel] WSJT-X v1.4.0-rc2 Error Report

On 16/11/2014 07:59, Paul DU2/WA8UGN wrote:
> Paul DU2/WA8UGN <keatipa@...> writes:
Hi Paul,
>
>> I use JTAlertX with WSTJ-X.  Believe there may be an interaction 
>> issue between WSJT-X and the latest version of JTAlertX or with its 
>> associated application JTMacrosX.
>>
>> Installed JTAlertX update 11/15/2014; now using JTAlertX 2.5.1.
>>
> FOLLOW-UP:
>
> Tested combo JTAlertX / WSTJ-X using numerous permutations.  Error 
> continues to occur.
>
> Error appears to be WSTJ-X trying to write to file decoded.txt while 
> JTAlertX has the file open to read.  There has been a coding change in 
> the updated JTAlertX program concerning the timing of that read 
> function, I believe.
>
> Fix:  For now, completely uninstall JTAlertX 2.5.1 and reinstall 
> JTAlert-X 2.4.18.
I does indeed look like the latest JTAlertX is reading the decoded.txt file
in a different way that is causing WSJT-X to fail to open the same file to
append new decodes to it. This in turn is probably stalling the decode
process itself and hence leaving the decode button in the UI locked on.

We don't have a great deal of control on how the decodes.txt file is created
and opened for append. There are file open flags available on Windows that
should allow other processes to read a file while WSJT-X has it open for
write, but the Fortran language doesn't have easy access to that flag AFAIK.

It will probably be down to Laurie VK3AMA to find a workaround from the
JTAlertX end. If there is none and the way he now reads the file is a
necessary change then perhaps we can put in some sort of retry mechanism at
the point where the error is happening.
>
> 73 de Paul  DU2/WA8UGN
73
Bill
G4WJS.

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