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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5

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  • Hey Steve, I am getting a Null Pointer Exception and this error in my stacktrace com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137) If you can help me it would be great. I have added these properties : <property name="connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property> <property name="c3p0.min_size">5</property> <property name="c3p0.max_size">20</property> <property name="c3p0.timeout">1800</property> <property name="c3p0.max_statements">1000</property> and the jar for c3p0 as well.

  • Good stuff

  • Thanks for great project! Simply the best.Good,good,good.+1

  • C3p0 works wonderful.

    1 user found this review helpful.
  • java.sql.SQLWarning: 已忽略额外的 URL 元素。 at com.ibm.as400.access.JDError.getSQLWarning(JDError.java:327) at com.ibm.as400.access.AS400JDBCConnection.setProperties(AS400JDBCConnection.java:2757) at com.ibm.as400.access.AS400JDBCConnection.setProperties(AS400JDBCConnection.java:2734) at com.ibm.as400.access.AS400JDBCDriver.prepareConnection(AS400JDBCDriver.java:807) at com.ibm.as400.access.AS400JDBCDriver.initializeConnection(AS400JDBCDriver.java:698) at com.ibm.as400.access.AS400JDBCDriver.connect(AS400JDBCDriver.java:285) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:146) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:195) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:184) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool 1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1086) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1073) at com.mchange.v2.resourcepool.BasicResourcePool.access 800(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool ScatteredAcquireTask.run(BasicResourcePool.java:1810) at com.mchange.v2.async.ThreadPoolAsynchronousRunner PoolThread.run(ThreadPoolAsynchronousRunner.java:648)

  • very good project, thanks!Good,good,good.+1

  • very good project, thanks!

  • very good project, thanks!

  • excellent project! we use this in L2J Server since years ;)

  • Great Project . Thanks to author. keep developing.

  • Great project. We are using c3p0 together with hibernate. Works great. Keep up the good work.

  • great universal drivers

  • Excellent piece of work. Fast, Functional, Simple and Efficient.

  • This is an excellent tool.

  • Software is great!

  • Overall, it works great and its FREE!

  • simply the best open source software.

  • Love this! Security is essential today.

  • Thank you!

  • Love this one especially when I'm stuck on a Windows box.

  • Used this for a couple of years having tried a couple of alternatives - couldn't be without it.

  • Tested a number of alternatives.

  • Fantastic job, thank you so much for discussing

  • after several years of using dbcp in an industrial, high-availability, high-load middleware component, we moved to c3p0. Now, we observe better performance and a specific dbcp issue there was no solution for, is gone. But looking for next release and more activity on c3p0.

  • hope to be an uptodate version

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