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From "Tim Patton" <>
Subject DBCP: validationQuery Problems
Date Wed, 16 Nov 2005 16:55:12 GMT
I'm using DBCP with the JTDS SQL driver.  I seem to be having a problem
where the validation query is not always running (I assume).  Basically I
have a pool of connections that have sat idle for hours; the server has most
likely shut them down by now.  When I execute an update I get
"java.sql.SQLException: I/O Error: Connection reset by peer: socket write
error".  However, it is my understanding that before returning a connection,
the pool should run the validation query and make sure it still works.  This
does not seem to be the case.  Is there any way to guarantee this runs?  I
have set the validation query to a working, non null value, and I always get
a new connection when executing any SQL, as well as always closing the
connection when I am done.



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