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Author Message
Lasek
 Post subject: GenericJDBCException: Cannot open connection
PostPosted: Tue May 03, 2005 5:33 pm 
Beginner
Beginner

Joined: Fri Apr 29, 2005 10:57 pm
Posts: 41
Hibernate version: 3.0

This is a pretty wierd error I am seeing here. I didn't see it on the production server, but I do see on the development server (even though I'm connecting to the same MySQL server wth the same account and same @ location).

Here's the stack trace:



Code:
org.hibernate.exception.GenericJDBCException: Cannot open connection
   at org.hibernate.exception.ErrorCodeConverter.handledNonSpecificException(ErrorCodeConverter.java:92)
   at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:80)
   at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
   at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
   at org.hibernate.jdbc.AbstractBatcher.openConnection(AbstractBatcher.java:413)
   at org.hibernate.jdbc.JDBCContext.connect(JDBCContext.java:141)
   at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:88)
   at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:86)
   at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1089)
   at org.hibernate.loader.Loader.doQuery(Loader.java:365)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:206)
   at org.hibernate.loader.Loader.loadEntity(Loader.java:1271)
   at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:141)
   at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:126)
   at org.hibernate.persister.entity.BasicEntityPersister.load(BasicEntityPersister.java:2496)
   at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:387)
   at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:368)
   at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:166)
   at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:140)
   at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:249)
   at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:123)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:561)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:556)
   at org.acme.definitions.DefinitionDAO.get(DefinitionDAO.java:37)
   at _jsp._definitions._Definitions__jsp._jspService(_Definitions__jsp.java:92)
   at com.caucho.jsp.JavaPage.service(JavaPage.java:61)
   at com.caucho.jsp.Page.pageservice(Page.java:557)
   at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:141)
   at org.acme.hibernate.Filter.doFilter(Filter.java:37)
   at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
   at com.caucho.filters.ThrottleFilter.doFilter(ThrottleFilter.java:114)
   at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
   at com.caucho.filters.GzipFilter.doFilter(GzipFilter.java:153)
   at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
   at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:220)
   at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:163)
   at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:207)
   at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:249)
   at com.caucho.server.port.TcpConnection.run(TcpConnection.java:327)
   at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:450)
   at com.caucho.util.ThreadPool.run(ThreadPool.java:394)
   at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException: An SQLException was provoked by the following failure: com.mchange.v2.resourcepool.ResourcePoolException: A ResourcePool could not acquire a resource from its primary factory or source.
[Cause: com.mchange.v2.resourcepool.ResourcePoolException: A ResourcePool could not acquire a resource from its primary factory or source.
   at com.mchange.v2.resourcepool.BasicResourcePool.awaitAcquire(BasicResourcePool.java:870)
   at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:201)
   at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:209)
   at com.mchange.v2.c3p0.PoolBackedDataSource.getConnection(PoolBackedDataSource.java:64)
   at org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:35)
   at org.hibernate.jdbc.AbstractBatcher.openConnection(AbstractBatcher.java:410)
   at org.hibernate.jdbc.JDBCContext.connect(JDBCContext.java:141)
   at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:88)
   at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:86)
   at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1089)
   at org.hibernate.loader.Loader.doQuery(Loader.java:365)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:206)
   at org.hibernate.loader.Loader.loadEntity(Loader.java:1271)
   at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:141)
   at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:126)
   at org.hibernate.persister.entity.BasicEntityPersister.load(BasicEntityPersister.java:2496)
   at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:387)
   at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:368)
   at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:166)
   at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:140)
   at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:249)
   at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:123)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:561)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:556)
   at org.acme.definitions.DefinitionDAO.get(DefinitionDAO.java:37)
   at _jsp._definitions._Definitions__jsp._jspService(_Definitions__jsp.java:92)
   at com.caucho.jsp.JavaPage.service(JavaPage.java:61)
   at com.caucho.jsp.Page.pageservice(Page.java:557)
   at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:141)
   at org.acme.hibernate.Filter.doFilter(Filter.java:37)
   at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
   at com.caucho.filters.ThrottleFilter.doFilter(ThrottleFilter.java:114)
   at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
   at com.caucho.filters.GzipFilter.doFilter(GzipFilter.java:153)
   at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
   at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:220)
   at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:163)
   at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:207)
   at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:249)
   at com.caucho.server.port.TcpConnection.run(TcpConnection.java:327)
   at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:450)
   at com.caucho.util.ThreadPool.run(ThreadPool.java:394)
   at java.lang.Thread.run(Thread.java:595)
]
   at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:73)
   at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:57)
   at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:213)
   at com.mchange.v2.c3p0.PoolBackedDataSource.getConnection(PoolBackedDataSource.java:64)
   at org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:35)
   at org.hibernate.jdbc.AbstractBatcher.openConnection(AbstractBatcher.java:410)
   ... 37 more


Any clues on this one?

By the way, I am buying Hibernate bible today, so hopefuly it will have some insight.
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