You can configure c3p0 to execute some statements on the idle connections and to retry to recreate them - this way preventing any 'dead' connections - however this can be potentially My suggestion to narrow the problem: simple remove the JDBC driver to see if you get the same exception... –Marmite Bomber Jan 6 at 19:01 add a comment| 1 Answer 1 Postgres specific issue: the Postgres encryption method has been altered or changed when migrating or upgrading Confluence, the environment, etc. Not the answer you're looking for? Source
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed I also use spring transaction api. Terms Privacy Opt Out Choices Advertise Get latest updates about Open Source Projects, Conferences and News. Having both of above configs the same value, I got the exception. https://confluence.atlassian.com/confkb/connections-could-not-be-acquired-from-the-underlying-database-104825087.html
But I don't know why the tool was hanged. –Grace Feb 16 at 16:52 add a comment| active oldest votes Know someone who can answer? Terms Privacy Security Status Help You can't perform that action at this time. You signed in with another tab or window. at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:104) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:264) at com.mchange.v2.c3p0.PoolBackedDataSource.getConnection(PoolBackedDataSource.java:94) at net.sf.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:33) at net.sf.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:84) at net.sf.hibernate.cfg.Configuration.buildSettings(Configuration.java:1172) at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:803) .....
Bruno Sant Ana Greenhorn Posts: 29 posted 3 years ago Hi Tim, Thank for your reply. Not the answer you're looking for? Check the pg_hba.conffile. Connections Could Not Be Acquired From The Underlying Database Cloudera samdai commented Jul 8, 2016 Has resolved this issue, need add a security group to let rdpg vm can be accessed by cf container samdai closed this Jul 8, 2016
Clearing pending acquires. A Resourcepool Could Not Acquire A Resource From Its Primary Factory Or Source. If your database server is down, restart it and check the logs to see why it had failed or stopped. I ensured that the username and password given in persistence.xml are right. http://stackoverflow.com/questions/35415988/c3p0-connections-could-not-be-acquired-from-the-underlying-database I don't believe that the command-line MySQL client uses that port, so it could work when JDBC doesn't.
But when i tried to connect the application with any Oracle Database i get the following error: 2016-01-06 15:15:19,307 [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] WARN com.mchange.v2.resourcepool.BasicResourcePool - [email protected]79 -- Acquisition Attempt Failed!!! Caused By: Org.hibernate.exception.genericjdbcexception: Could Not Open Connection at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128) at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:116) at org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.prepare(IdentityGenerator.java:90) at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:54) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2345) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2852) at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:71) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273) at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:320) at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:203) at Are zipped EXE files harmless for Linux servers? An IDE is no substitute for an Intelligent Developer.
Your database password has expired. this contact form If the method is set to ident change it to md5. This is my persistence.xml file located at META-INF: