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c3p0:JDBC DataSources/Resource Pools

Tracker: Bugs

5 Can't turn off init log message - ID: 1754133
Last Update: Comment added ( swaldman )

This is crazy but I can't seem to turn off the initial init log message
(Initializing c3p0 pool...). I tried changing the log4j level to warning
(via log4.properites), the fallback method level to warning (via
c3p0.properties), even change the log level via a code call but still not
turning off. Any idea what I am doing wrong?


Preston Tollinger ( valcar ) - 2007-07-14 22:43

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Comments ( 3 )




Date: 2007-07-16 01:30
Sender: swaldmanProject Admin


valcar, none of those other messages are c3p0. C3P0ConnectionProvider is a
Hibernate class. It looks like c3p0 is logging to something else. Again,
there should be an explicit message about MLog client. Also, there should
be a banner indicating c3p0's version (and that is always helpful for me to
see as well).

If these messages aren't present, it means you are using a very old
version of c3p0, and should definitely upgrade. (Very, very old versions of
c3p0 log to stderr and nothing can be done, but that was years and
lifetimes ago.) Anyway, do just upgrade to the latest. It's a simple matter
of moving the old c3p0 jar out of hibernate's lib directory and dropping
the new jar file in its place. It's painless. Then look for explicit
messages about versions, and which logger is being used.


Date: 2007-07-16 00:08
Sender: valcar


Well at info I see the following. What is weird is that the all the c3p0
log messages other then "Init..." show up in my specified log4j format and
turn off when I set log4j to warn. The "Init..." msg does not have my
specified log4j format and is not effected. I thought that one it was clear
log4j controlled the messages, they would all be controlled by log4j.
Also, just FYI it is being run from within ant script as a stand along
java program.

[java] 2007-07-15 17:02:01,382 INFO main C3P0ConnectionProvider:50 - C3P0
using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://*******:3306/cms2
[java] 2007-07-15 17:02:01,384 INFO main C3P0ConnectionProvider:51 -
Connection properties: {user=*********, password=**********}
[java] 2007-07-15 17:02:01,384 INFO main C3P0ConnectionProvider:54 -
autocommit mode: false
[java] Initializing c3p0 pool...
com.mchange.v2.c3p0.PoolBackedDataSource@72ffb [ connectionPoolDataSource
-> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@19209ea [
acquireIncrement -> 1, acquireRetryAttempts -> 30, acquireRetryDelay ->
1000, autoCommitOnClose -> false, automaticTestTable -> null,
breakAfterAcquireFailure -> false, checkoutTimeout -> 0,
connectionTesterClassName ->
com.mchange.v2.c3p0.impl.DefaultConnectionTester, factoryClassLocation ->
null, forceIgnoreUnresolvedTransactions -> false, idleConnectionTestPeriod
-> 0, initialPoolSize -> 3, maxIdleTime -> 1800, maxPoolSize -> 5,
maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3,
nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@18fd984 [
description -> null, driverClass -> null, factoryClassLocation -> null,
jdbcUrl -> jdbc:mysql://*******:3306/cms2, properties -> {user=******,
password=******} ] , preferredTestQuery -> null, propertyCycle -> 300,
testConnectionOnCheckin -> false, testConnectionOnCheckout -> false,
usesTraditionalReflectiveProxies -> false ] , factoryClassLocation -> null,
numHelperThreads -> 3, poolOwnerIdentityToken -> 72ffb ]
[java] 2007-07-15 17:02:01,858 INFO main SettingsFactory:77 - RDBMS:
MySQL, version: 4.1.22-standard



Date: 2007-07-15 13:07
Sender: swaldmanProject Admin


First thing to check -- what logger is c3p0 logging to? There should be an
init message (at info in your logs) about "MLog clients" or something like
that, that reveals what c3p0 ends up logging to. What does it say?



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