{"record":{"id":"9e9c747646907071","repo":"hibernate/hibernate-orm","slug":"could-not-create-connection-9e9c74","errorCode":null,"errorMessage":"Could not create connection","messagePattern":"Could not create connection","errorType":"exception","errorClass":"JDBCConnectionException","httpStatus":null,"severity":"error","filePath":"hibernate-core/src/main/java/org/hibernate/engine/jdbc/connections/internal/DriverManagerConnectionProvider.java","lineNumber":155,"sourceCode":"\t\t\t\t\tSimpleDatabaseVersion.ZERO_VERSION,\n\t\t\t\t\thasSchema( connection ),\n\t\t\t\t\thasCatalog( connection ),\n\t\t\t\t\tgetSchema( connection ),\n\t\t\t\t\tgetCatalog( connection ),\n\t\t\t\t\tBoolean.toString( autoCommit ),\n\t\t\t\t\tisolation != null\n\t\t\t\t\t\t\t? toIsolationNiceName( isolation )\n\t\t\t\t\t\t\t: toIsolationNiceName( getIsolation( connection ) ),\n\t\t\t\t\tminSize,\n\t\t\t\t\tmaxSize,\n\t\t\t\t\tgetFetchSize( connection )\n\t\t\t);\n\t\t\tif ( !connection.getAutoCommit() ) {\n\t\t\t\tconnection.rollback();\n\t\t\t}\n\t\t}\n\t\tcatch (SQLException e) {\n\t\t\tthrow new JDBCConnectionException( \"Could not create connection\", e );\n\t\t}\n\n\t\treturn new PooledConnections.Builder( connectionCreator )\n\t\t\t\t.autoCommit( autoCommit )\n\t\t\t\t.initialSize( initialSize )\n\t\t\t\t.minSize( minSize )\n\t\t\t\t.maxSize( maxSize )\n\t\t\t\t.validator( this )\n\t\t\t\t.build();\n\t}\n\n\tprivate static Driver loadDriver(String driverClassName, ServiceRegistry serviceRegistry, String url) {\n\t\tif ( driverClassName != null ) {\n\t\t\treturn loadDriverIfPossible( driverClassName, serviceRegistry );\n\t\t}\n\t\telse {\n\t\t\t// try to guess the driver class from the JDBC URL\n\t\t\tfor ( var database: Database.values() ) {","sourceCodeStart":137,"sourceCodeEnd":173,"githubUrl":"https://github.com/hibernate/hibernate-orm/blob/fad1729dce015f908198d57a8d80274a30f905a5/hibernate-core/src/main/java/org/hibernate/engine/jdbc/connections/internal/DriverManagerConnectionProvider.java#L137-L173","documentation":"Error \"Could not create connection\" thrown in hibernate/hibernate-orm.","triggerScenarios":"Thrown at hibernate-core/src/main/java/org/hibernate/engine/jdbc/connections/internal/DriverManagerConnectionProvider.java:155 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify JDBC URL, credentials, driver availability, and database reachability","Check the underlying SQLException cause for the concrete failure"],"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"}