Re: blat process freezing intermittently

> I use blat at my job in scripts to FTP files. We've been using blat for 
> years without any issues until recently. We are starting to see our script 
> jobs hang intermittently when they execute a blat process. I've modified 
> the parameters to capture the debug output but I'm not getting any useful 
> information. These scripts run upwards of 100 times a day and we only see 
> this once every few days. This is running on 64-bit Windows 7 Enterprise 
> OS. Here is an example of what I'm seeing in the log file:
>
> blat tmpfile -s "subject" -t "recipient" -log debugfile -debug -timestamp
>
> 2017.03.28 12:30:12 (Tue)------------Start of Session-----------------
> Blat v3.1.2 (build : Dec 27 2013 14:33:12)
> 32-bit Windows, Full, Unicode
>
>
> I have verified that the debug output is correct when the blat process 
> runs successfully. I haven't upgraded to the current version because I was 
> hoping to identify the root cause first. What are next steps for 
> troubleshooting?


If this is happening only once every few days, my early guess is that 
perhaps your message file (tmpfile) is being held up by some other process. 
If the file does not exist, Blat should exit with an error message saying 
that it could not find the file.  If the file does exist, then Blat should 
be able to open it and process the content.

"Until recently" also might indicate a change to the environment that Blat 
runs in.  This could be the OS was patched, your antivirus program and/or 
its definitions, the network proxies, or the SMTP server.  It does seem 
strange that Blat was running just fine, then not, so I am thinking that 
this is caused by some external changes in the environment.

I can give you a newer version of Blat with much more extensive debugging 
messages if you want, that might help identify where within Blat it is 
getting hung up.  You will need to send an offline message direct to me at 
[email protected] if you want the extra debugging capabilities.

Chip 


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