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From Randy Layman <randy.lay...@aswethink.com>
Subject RE: AW: Java program interferring with Tomcat
Date Mon, 19 Nov 2001 19:36:48 GMT

	I've never tried to do this because I never wanted dirty data (i.e.
part of what someone else wrote, possibly including data to be rolled back,
etc).  

	Randy

> -----Original Message-----
> From: David Frankson [mailto:dfrankson@qwest.net]
> Sent: Monday, November 19, 2001 2:42 PM
> To: Tomcat Users List
> Subject: Re: AW: Java program interferring with Tomcat
> 
> 
> > Not with SQL Server.  If thread A has a write lock on a 
> table, thread b
> will
> > wait until the write is completed before reading.  If 
> thread A is in a
> > transaction that is long running then a perfectly 
> funcitoning application
> > can seem to hang.  Its also possible that some form of 
> infinite loop or
> > deadlock in thread A could cause it to never release the 
> transaction,
> making
> > you either kill the application or use Enterprise Manager 
> to kill the
> lock.
> 
> Does changing the transaction isolation level affect things?  
> The tomcat
> application is a high traffic transactional system, and the 
> commandline app
> is a read-only data export tool that fires off twice a day.  
> Both are set to
> TRANSACTION_READ_COMMITTED.
> 
> Dave
> 
> 
> 
> 
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