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From CrystalCracker <purplehear...@hotmail.com>
Subject DBCP initialSize
Date Mon, 06 Jul 2009 21:42:52 GMT

I am using dbcp with its default settings inside Grails. When the app boots
up, I print out the settings as below, which is as per the DBCP docs.

maxIdle=8
defaultCatalog=null
testOnBorrow=false
logWriter=java.io.PrintWriter@3c4c3922
defaultTransactionIsolation=-1
validationQuery=null
testOnReturn=false
maxActive=8
numActive=0
numTestsPerEvictionRun=3
minIdle=0
maxWait=-1
defaultAutoCommit=true
connection=org.apache.commons.dbcp.PoolableConnection@27837c8b
numIdle=0
testWhileIdle=false
driverClassName=org.postgresql.Driver
class=class org.apache.commons.dbcp.BasicDataSource
accessToUnderlyingConnectionAllowed=false
removeAbandonedTimeout=300
defaultReadOnly=false
logAbandoned=false
poolPreparedStatements=false
maxOpenPreparedStatements=-1
removeAbandoned=false
minEvictableIdleTimeMillis=1800000
timeBetweenEvictionRunsMillis=-1
initialSize=0

Notice the initialSize is 0 as expected.

But when I do netstat -na, I see a tcp connection established to the
database.
With the initial size 0, and no database calls made yet, I would assume
there would be no connections to the database as shown by netstat.

Am I missing anything here?
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