1. How do I decide the number of connections required in connection pooling? stackoverflow.comI am using hibernate 3.2.2 in my application. For connection pooling, we are using c3p0 0.9.1. I am using Generic DAO Pattern and Open Session in View pattern to ... |
2. Hibernate: Connect to MySQL without Username or Password stackoverflow.comI am developing a hibernate application that connects to a MySQL database. The customers would like to only specify a connection string, ie: |
3. Hibernate causing too many time_wait connections stackoverflow.comI am using Hibernate 3 and I am facing a problem related to connections being closed. I am using c3p0-0.9.1.2.jar and I checked onto the connections to database server opened by ... |
4. java.lang.NoSuchMethodException: com.mchange.v2.c3p0.PoolBackedDataSource.setUserOverridesAsString(java.lang.String) stackoverflow.comI'm using C3P0 0.9.1.2 to configure data sources for my connection pool. When context is loading an error is raised. Here is the trace: |
5. c3p0's max number of connections doesn't work in Linux stackoverflow.comI have a java application that uses hibernate for O/R mapping and I also use c3p0 connection pooling that ships together with hibernate. The DB is Oracle. This is in my ... |
6. Getting the connection string from nHibernate returns the string WITHOUT the password stackoverflow.comI need to directly access the database on a nhibernate application. I am trying to get the connection string like this: |
7. What is the connection string used for hibernate in Oracle 9 forum.hibernate.orgDear All, i have installed oracle 9i in my machine.While running the hibernet application i am getting Initial SessionFactory creation failed.org.hibernate.HibernateException: JDBC Driver class not found: org.hsqldb.jdbcDriver Exception in thread "main" java.lang.ExceptionInInitializerError at com.vaannila.util.HibernateUtil. |
8. hibernate + primrose pool connection closed after some time forum.hibernate.orgI have an application running under a tomcat with a primrose pool. The application uses the datasource for connecting to an oracle database. The problem is that after several hours of deploying/restrting the app I start getting "closed connection" exceptions: Code: org.hibernate.exception.GenericJDBCException: could not execute query at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) ... |
9. In-use connections equal max-pool-size and expired max-wait- forum.hibernate.orgI got the following error INFO: WARN JDBCExceptionReporter:77 - SQL Error: 0, SQLState: null INFO: ERROR JDBCExceptionReporter:78 - Error in allocating a connection. Cause: In-use connections equal max-pool-size and expired max-wait-time. Cannot allocate more connections. SEVERE: null org.hibernate.exception.GenericJDBCException: Cannot open connection at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326) at tcplistener.Alldatabase.checkimei(Alldatabase.java:64) ... |
10. How To Make Connection Time Out Not To Happen forum.hibernate.orgHi, In Hibernate is possible to MAKE the time out NOT to happen for the connection?. We are NOT using the connection pool for creating the connection.We are using normal Hibernate to create the connection. |
11. number of connections increase forum.hibernate.org977 ? S 0:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --skip-locking --port=3306 --socket=/var/run/mysqld/mysqld.sock 1002 ? S 0:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --skip-locking --port=3306 --socket=/var/run/mysqld/mysqld.sock 1012 ? S ... |
12. Correspondence of pool size and the number of db-connections forum.hibernate.orgon Hibernate 2.1.2 (and MySQL 4.1.x): Hi folks. I want to confirm correspondence of pool size and the number of database connections. How can I confirm about Hibernate uses appropriately the connection-pooling set up by 'hibernate.connection.pool_size'? I coded : Code: public class TestHibernateSession { private SessionFactory sessionFactory = null; private ThreadLocal session = ... |
13. number of connections keep growing forum.hibernate.orgHibernate version: 2.1 final I have a webapplication that uses two different databases. I created two different session factories, like this: public class ServiceLocatorTotal { // variables public static final ThreadLocal session = new ThreadLocal(); // methods /** * @return session * @throws Exception */ public static Session currentSession() throws Exception { Session s = (Session) session.get(); if (s == null) ... |
14. String to Clob throws java.io.IOException: Connection reset forum.hibernate.org |
15. String to Clob throws java.io.IOException: Connection reset forum.hibernate.org |
16. Closed DB connection when calling Blob.getBinaryStream() forum.hibernate.orgHello to all, we're caching all objects by an own-build java cache. One object contains a Blob, which is read by the application with the getBinaryStream()-method. After having started the application, everything runs fine. However, after running a while (~1 hour or so), calling the getBinaryStream()-method leads to the following error: Caused by: java.io.IOException: Must be logged on to server at ... |
17. Getting Number of open connection from MYSQL using Hibernate forum.hibernate.orgAt some place, we have used JDBC and in some cases we used hibernate to access database. Now, after some business operations, we are running out of connections. So, I want to know after each business operation how many connections are opened to database collectively by direct JDBC call and hibernate. While getting connection from JDBC, we have used the same ... |
18. Connection Reset Error occurs over time forum.hibernate.orgNewbie Joined: Thu Jun 08, 2006 3:25 pm Posts: 5 Location: Laureldale, PA Hi all, I am using hibernate to connect to a mySql database. When I first bounce the tomcat service the site works fine. But over a period of time I begin to get random null pointer errors. What I mean be random nll pointer errors is that I ... |
19. How to change port in a connection string in H. forum.hibernate.org |
20. connection_string configuration property forum.hibernate.orgHello! I'm having problems with hibernate.cfg.xml document. This version works fine: |
21. Is there any equivalent api for session.connection() method? forum.hibernate.org |
22. UserType for PostgreSQL BIT(n) with poolable connection forum.hibernate.orgNewbie Joined: Mon Apr 14, 2008 5:34 am Posts: 2 Location: Poland My problem: UserType for PostgreSQL BIT(n) works only with hibernate native connection, but fails with poolable connection (defined in Tomcat). I worked out how to map PostgreSQL BIT(n) type ( http://www.postgresql.org/docs/8.1/inte ... e-bit.html ) with java.util.BitSet (using UserType interface of course). It works fine for hibernate native connection, but ... |
23. Idle time Closed Connection forum.hibernate.orgHi, The following is the exception that i get when i use hibernate 3.0 to connect to Oracle 10G using the ojdbc14.jar. i get this error when i run my eclipse plugin based application on windows vista. This happens when i keep the system idle for prolonged hours apprx 8 hours or more. But the same is not reproduced when i ... |
24. MySQL database time out - c0p3 connection pool forum.hibernate.orgHello everybody, I'm trying to solve the reconnection problem with MySQL server when the wait_timeout for the database connections expires. I'm using c3p0 to manage the pool of db connections, and I have configure Hibernate as follows (excerpt of the hibernate_cfg.xml file) Code: |
25. ConnectionManager(cleanup:375) - connection already null in forum.hibernate.org |