Also the DatabaseMetaData.getSQLStateType () method is supposed to indicate whether the SQLSTATE returned by SQLException.getSQLState is X/Open (now known as Open Group) SQL CLI or SQL99. The only possible value for this should be DatabaseMetaData.sqlStateXOpen == 1 and DatabaseMetaData.sqlStateSQL99 == 2 but I am getting the value 0. SolutionShut down CIM (if it's still running). Add or free up sufficient disk space. Restart CIM. Product Coverity Integrity Manager/Coverity Connect Version Platform Source Language Not Applicable Component Commit Compiler Not Applicable Keywords URL Name From-Case-Re-Error-on-commit Lookslike your connection is closed : Caused by: java.sql.SQLException: Connection has already been closed. There must be a place in the code where the connection is closed. JDBC exception on Hibernate data access: SQLException for SQL [select id41_0_, this_.code as code41_0_, this_.description as descript3_41_0_, this_.label commysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Iwant to get Date object with Hibernate 5 from SQLite database. I implemented this code: Entity: @Entity @Table(name = "CLIENT_CARDS") public class ClientCardsModel implements Serializable { Idon't think you're hitting the Oracle limits first as you'd get an ORA exception, and also wouldn't be able to connect to the database directly. You can configure the data source to collect profile information from the WebLogic console; from the domain structure menu, go to services->JDBC->data sources, pick your connection, and go to the Im new in Databases just started to learn them. I have MySQL Server 8.0., Workbench 8.0, Java connector 5.1.31, Java 1.8 itself. Followed multiple guides for newbies how to start with. So there Specifywhen Hibernate should release JDBC connections. By default, a JDBC connection is held until the session is explicitly closed or disconnected. For an application server JTA datasource, you should use after_statement to aggressively release connections after every JDBC call. lGgc.