{"record":{"id":"4b0589b417e38cf5","repo":"hibernate/hibernate-orm","slug":"cannot-get-a-connection-as-the-driver-manager-is-n","errorCode":null,"errorMessage":"Cannot get a connection as the driver manager is not properly initialized","messagePattern":"Cannot get a connection as the driver manager is not properly initialized","errorType":"exception","errorClass":"IllegalStateException","httpStatus":null,"severity":"error","filePath":"hibernate-core/src/main/java/org/hibernate/engine/jdbc/connections/internal/DriverManagerConnectionProvider.java","lineNumber":288,"sourceCode":"\t\t}\n\t\telse {\n\t\t\ttry {\n\t\t\t\treturn (ConnectionCreatorFactory) Class.forName( connectionCreatorFactoryClassName ).newInstance();\n\t\t\t}\n\t\t\tcatch (Exception e1) {\n\t\t\t\tthrow new ServiceException( \"Specified ConnectionCreatorFactory \" + connectionCreatorFactoryClassName\n\t\t\t\t\t\t\t\t\t\t\t+ \" could not be loaded\", e1 );\n\t\t\t}\n\t\t}\n\t}\n\n\n\t// use the pool ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n\t@Override\n\tpublic Connection getConnection() throws SQLException {\n\t\tif ( state == null ) {\n\t\t\tthrow new IllegalStateException( \"Cannot get a connection as the driver manager is not properly initialized\" );\n\t\t}\n\t\treturn state.getConnection();\n\t}\n\n\t@Override\n\tpublic void closeConnection(Connection connection) throws SQLException {\n\t\tif ( state == null ) {\n\t\t\tthrow new IllegalStateException( \"Cannot close a connection as the driver manager is not properly initialized\" );\n\t\t}\n\t\tstate.closeConnection( connection );\n\t}\n\n\t@Override\n\tpublic boolean supportsAggressiveRelease() {\n\t\treturn false;\n\t}\n\n\t@Override","sourceCodeStart":270,"sourceCodeEnd":306,"githubUrl":"https://github.com/hibernate/hibernate-orm/blob/fad1729dce015f908198d57a8d80274a30f905a5/hibernate-core/src/main/java/org/hibernate/engine/jdbc/connections/internal/DriverManagerConnectionProvider.java#L270-L306","documentation":"Error \"Cannot get a connection as the driver manager is not properly initialized\" thrown in hibernate/hibernate-orm.","triggerScenarios":"Thrown at hibernate-core/src/main/java/org/hibernate/engine/jdbc/connections/internal/DriverManagerConnectionProvider.java:288 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Configure the JDBC URL and driver so the DriverManagerConnectionProvider initializes","Ensure the provider is not used after stop() has been called"],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fad1729dce015f908198d57a8d80274a30f905a5","analyzedAt":"2026-08-22T04:13:57.527Z","schemaVersion":2},"datasetVersion":"2026-08-22T09:17:25.309Z"}