DBCP « Development « JPA Q&A





1. what is difference between dbcp and c3p0?    forum.hibernate.org

2. Apache DBCP    forum.hibernate.org

3. dbcp 1.1 support?    forum.hibernate.org

Gavin, I hate to play devil's advocate, but how do you get around the webapp reload problem with C3P0? Every time my webapp reloads, c3p0 gets orphaned and hangs around while a new C3P0 instance is created. I posted on this forum how the newer beta C3P0 includes a way to close C3P0 up but I'm wondering what the current solutin ...

4. dbcp/c3po usage question    forum.hibernate.org

5. Can I config DBCP in WEB-INF/web.xml file ?    forum.hibernate.org

6. Error when using DBCP with Hibernate    forum.hibernate.org

Hibernate version:2.1 Mapping documents: Name and version of the database you are using: MySQL 4.1.1 Alpha hello all, i am trying to use DBCP along with Hibernate, but i am getting exceptions still when i am running my tests...' hERE ISMY hibernate-cfg.xml

10. DBCP vs. C3P0 which one is better    forum.hibernate.org

11. DBCP vs C3P0    forum.hibernate.org

Does anyone have any recommendations over which connection pool is 'better'? We've been using c3p0 but it seems to repeatedly spawn asynchronous threads to test the connection to the database. I've experimented with dbcp and have noticed the memory usage of our web app increase over time but I'm unable to pin down why this is happening. It also seems to ...

12. DBCP object never closed error    forum.hibernate.org

Hi, I am doing performance testing on an application which uses Hibernate and runs on MySQL and Tomcat. When I run about 100 concurrent users on the site for about 15 minutes, i start to see exceptions with the following error message: DBCP object created 2005-06-30 11:23:45 by the following code was never closed: . . . . (followed by a ...

14. Hibernate 3 migration and dbcp    forum.hibernate.org

Hi, My problem: When the webapp is deployed dbcp creates the connection pool and everything works as expected. After about 12-24 hrs of leaving it running on a test server, i try to access the application again and get an error message that looks like the pool cannot get a connection. Below is the full stack trace: java.sql.SQLException: Communication link failure: ...

15. Could not close DBCP Pool.....    forum.hibernate.org

Hello Sir, In my application, there is a base table which has to store a huge amt of data... since the table size is increasing rapidly i splitted the tables on the basis of month.... then these table names are storing in a table called splitted_table_names.... Now what i have to do is ... i have to read record by records ...

16. DBCP Pooling issue    forum.hibernate.org

Hi, We are using hibernate3 and spring framework with mysql5 on an Fedora Core 4 environment. Lately we have been noticing a problem with the connection pooling (we are using dbcp). The pool seems to run out of connections causing the entire system to eventually hang. This is definitely not a load issue as it happens at random times (a couple ...





17. Switching from dbcp to c3p0    forum.hibernate.org

hi there, I would like to swtich from dbcp to c3p0. We have some trouble with our application. From time to time (once a week) it just hangs for around three minutes. I can wait until the system recovers or go in a restart tomcat, both solves the problem. But naturally I need to get rid of the problem. One possible ...

18. Can DBCP be used in Hibernate 3.3?    forum.hibernate.org

I am a newbie to Hibernate and very confused about how to Not use the default Hibernate connection pool. Hibernate assures you that this pool should not be used for Production. Great..I get it..its dinky. However, if I am using Spring2.6 and Hibernate3.3 on simple old Tomcat 6 what is the best PRODUCTION QUALITY way to implement my Hibernate connection pool? ...