1. How to resolve this Exception : Data source rejected establishment of connection, message from server: "Too many connections" stackoverflow.comI am using Hibernate 3 +Mysql 5.1 and after 98 insertion i am getting this Exception : com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: "Too many connections" My hibernate.cfg.xml ... |
2. Hibernate Exception:Could not instantiate C3P0 connection pool stackoverflow.comnow i meet a prolem about c3p0 when using hibernate to query. the exception is: |
3. Hibernate Swallowing Connection Exceptions coderanch.comHi, I have a server running Hibernate, using C3P0 as a connection pool. When I start up my application, if the MySQL server is down when i start the application using new Configuration().configure().buildSessionFactory(); I get the following error Caused by: java.net.ConnectException: Connection refused: connect but this seems to be getting caught and printed by C3P0 or Hibernate itself and not let ... |
4. How to fix Too many connections exception; MySQL; C3PO forum.hibernate.orgHi All, I'm developing a new web-app using the latest hibernate-distribution-3.3.2.GA and spring-framework-2.5.6. After a while I get the exception below in my app.'s log file. What is actually causing this? Code: 25 Jan 12:32:56 WARN com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2 com.mchange.v2.resourcepool.BasicResourcePool - com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@15971ce -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than ... |
5. JBoss unclosed connection Exception forum.hibernate.orgHello I am using Hibernate 2.1.4, MySQL MySQL 4.0.18 - max debug I am getting an unclosed connection error in my code when i try to find any object from the database. I have initialized the session in the constructor and closing it in the finalize method of the class.... Please help me out.... Getting the following error :::: 16:41:09,835 INFO ... |
6. Unable to obtain connection after exception forum.hibernate.org |
7. Have session connection, but get exception disconnected sess forum.hibernate.orgCode: |
8. Exception for bad connection to the db forum.hibernate.org |
9. Hibernate Exception - Cannot Open Connection forum.hibernate.orgI am using Eclipse SDK, Hibernate 3, with Tomcat 5.5. I have a datasource setup, a hibernate config file, and I get the following error message when I try to do a simple Criteria query via Hibernate. org.hibernate.exception.GenericJDBCException: Cannot open connection org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:420) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1538) org.hibernate.loader.Loader.doQuery(Loader.java:661) org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224) org.hibernate.loader.Loader.doList(Loader.java:2211) org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2095) org.hibernate.loader.Loader.list(Loader.java:2090) org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:95) org.hibernate.impl.SessionImpl.list(SessionImpl.java:1569) org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283) org.nipr.pdb.action.TestAction.doExecute(TestAction.java:41) org.nipr.shared.action.BaseAction.execute(BaseAction.java:35) org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:53) org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:64) ... |
10. Connection Exception is NOT being thrown - please help forum.hibernate.orgi'm not exactly sure that this is the correct place to ask this, but the system uses hibernate (3.2.0.x) for all database transactions and I'm trying to get an error or exception to be thrown. I'm trying to fix a server recovery issue where we lose the database connection. To reproduce my problem, I have a large table that I query ... |
11. Cannot Open Connection Exception forum.hibernate.orgI get a Open Connection Exception while trying to invoke beginTransaction(). Details are given below: Hibernate version: 3.2 Mapping documents: |