validate == connection is open and working

if they are worried about performance, there is a compromise that gets you best 
of both worlds

testOnBorrow="true"
validationQuery="select 1"
validationInterval="30000"

this ensures that in a high concurrency environment, the number of validations 
are limited

Filip****



On 4/6/2011 1:36 PM, הילה wrote:
I wanted to add it, bu the company that developed the application that runs

on the tomcat, says that it affect performance and has issues.

what do you mean "validates it"? what does it do, exactly?

Thanks
Hila


2011/4/6 Filip Hanik - Dev Lists<devli...@hanik.com>

On 4/5/2011 7:31 AM, הילה wrote:

name="jdbc/com/vstechnology/appname
scope="Shareable"
type="javax.sql.Datasource"

url="jdbc:jtds:sqlserver://SQLServerName:1433/DBname;useCursors=false;sendStringParametersAsUnicode=false"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
maxActive="200"
minIdle="0"
maxIdle="10"
maxWait="10000"
initialSize="20"
driverClassName="net.sourceforge.jtds.jdbc.Driver"

Add in

testOnBorrow="true"
validationQuery="select 1"

this ensures that if the DB closes a connection, the pool validates it

best
Filip

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