{"record":{"id":"214cfd12d8193d55","repo":"apache/seatunnel","slug":"unexpected-error-while-connecting-to-mysql-and-loo-214cfd","errorCode":null,"errorMessage":"Unexpected error while connecting to MySQL and looking at privileges for current user: ","messagePattern":"Unexpected error while connecting to MySQL and looking at privileges for current user: ","errorType":"exception","errorClass":"DebeziumException","httpStatus":null,"severity":"error","filePath":"seatunnel-connectors-v2/connector-cdc/connector-cdc-mysql/src/main/java/io/debezium/connector/mysql/MySqlConnection.java","lineNumber":379,"sourceCode":"            return queryAndMap(\n                    \"SHOW GRANTS FOR CURRENT_USER\",\n                    rs -> {\n                        while (rs.next()) {\n                            String grants = rs.getString(1);\n                            LOGGER.debug(grants);\n                            if (grants == null) {\n                                return false;\n                            }\n                            grants = grants.toUpperCase();\n                            if (grants.contains(\"ALL\")\n                                    || grants.contains(grantName.toUpperCase())) {\n                                return true;\n                            }\n                        }\n                        return false;\n                    });\n        } catch (SQLException e) {\n            throw new DebeziumException(\n                    \"Unexpected error while connecting to MySQL and looking at privileges for current user: \",\n                    e);\n        }\n    }\n\n    /**\n     * Determine the earliest binlog filename that is still available in the server.\n     *\n     * @return the name of the earliest binlog filename, or null if there are none.\n     */\n    public String earliestBinlogFilename() {\n        // Accumulate the available binlog filenames ...\n        List<String> logNames = new ArrayList<>();\n        try {\n            LOGGER.info(\"Checking all known binlogs from MySQL\");\n            query(\n                    \"SHOW BINARY LOGS\",\n                    rs -> {","sourceCodeStart":361,"sourceCodeEnd":397,"githubUrl":"https://github.com/apache/seatunnel/blob/cf67b549a7a6c35fa0beb12d83c62892427ea919/seatunnel-connectors-v2/connector-cdc/connector-cdc-mysql/src/main/java/io/debezium/connector/mysql/MySqlConnection.java#L361-L397","documentation":"userHasPrivileges queries MySQL's SHOW GRANTS (or equivalent) for the current user and wraps any SQLException into this DebeziumException. It indicates the privilege check itself failed at the JDBC/SQL level, not that the user lacks privileges.","triggerScenarios":"SQLException while executing the privileges query inside userHasPrivileges — connection failure, permissions problem running SHOW GRANTS, or server error.","commonSituations":"Connector startup validation against an unreachable or overloaded MySQL; restricted user account that cannot even execute SHOW GRANTS; network/TLS interruption.","solutions":["Verify the MySQL connection works with the configured credentials","Ensure the CDC user can execute SHOW GRANTS FOR CURRENT_USER","Inspect the cause SQLException and MySQL error log","Fix network/firewall/TLS issues and retry"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"try (Statement s = conn.createStatement()) { s.executeQuery(\"SHOW GRANTS FOR CURRENT_USER()\"); }","typeGuard":null,"tryCatchPattern":"catch (DebeziumException e) { logger.error(\"Privilege check query failed\", e.getCause()); /* fix connectivity or grants, then retry */ }","preventionTips":["Pre-provision the CDC user with full required grants","Test SHOW GRANTS manually before connector start","Validate network/TLS between connector and DB","Avoid over-restricted accounts for CDC"],"tags":["mysql","privileges","jdbc","cdc"],"backgroundTag":"database-query-failed","analyzedSha":"cf67b549a7a6c35fa0beb12d83c62892427ea919","analyzedAt":"2026-09-10T21:44:55.265Z","contentChangedAt":"2026-09-10T21:44:55.265Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}