{"record":{"id":"75668e3669f70e25","repo":"apache/seatunnel","slug":"failed-dropping-table-s","errorCode":null,"errorMessage":"Failed dropping table %s","messagePattern":"Failed dropping table (.+?)","errorType":"exception","errorClass":"CatalogException","httpStatus":null,"severity":"error","filePath":"seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/AbstractJdbcCatalog.java","lineNumber":540,"sourceCode":"                return;\n            }\n            throw new TableNotExistException(catalogName, tablePath);\n        }\n\n        dropTableInternal(tablePath);\n    }\n\n    protected String getDropTableSql(TablePath tablePath) {\n        throw new UnsupportedOperationException();\n    }\n\n    protected void dropTableInternal(TablePath tablePath) throws CatalogException {\n        String dbUrl = getUrlFromDatabaseName(tablePath.getDatabaseName());\n        try {\n            // Will there exist concurrent drop for one table?\n            executeInternal(dbUrl, getDropTableSql(tablePath));\n        } catch (SQLException e) {\n            throw new CatalogException(\n                    String.format(\"Failed dropping table %s\", tablePath.getFullName()), e);\n        }\n    }\n\n    @Override\n    public void createDatabase(TablePath tablePath, boolean ignoreIfExists)\n            throws DatabaseAlreadyExistException, CatalogException {\n        checkNotNull(tablePath, \"Table path cannot be null\");\n        checkNotNull(tablePath.getDatabaseName(), \"Database name cannot be null\");\n\n        if (databaseExists(tablePath.getDatabaseName())) {\n            if (ignoreIfExists) {\n                return;\n            }\n            throw new DatabaseAlreadyExistException(catalogName, tablePath.getDatabaseName());\n        }\n\n        createDatabaseInternal(tablePath.getDatabaseName());","sourceCodeStart":522,"sourceCodeEnd":558,"githubUrl":"https://github.com/apache/seatunnel/blob/cf67b549a7a6c35fa0beb12d83c62892427ea919/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/AbstractJdbcCatalog.java#L522-L558","documentation":"This CatalogException wraps a SQLException thrown while executing the DROP TABLE statement against the JDBC database. AbstractJdbcCatalog throws it from dropTableInternal after executeInternal fails, so any driver-level failure (SQL syntax, permissions, connection loss) surfaces as this catalog error.","triggerScenarios":"Calling catalog.dropTable(tablePath, ignoreIfNotExists) where the underlying JDBC execute of getDropTableSql throws SQLException: bad SQL dialect for the target database, insufficient DROP privileges, connection failure, or the table being locked/in use.","commonSituations":"Using a catalog dialect whose drop-table syntax differs from the actual DBMS; user lacks DROP privilege; stale/broken JDBC connection after network outage; dropping a table currently referenced by an active transaction or FK constraint.","solutions":["Check the wrapped SQLException cause to identify the driver-level root cause (syntax, privilege, connectivity).","Verify the user has DROP privileges on the table in the target database.","Confirm the JDBC URL and dialect match the actual database engine/version.","Test the equivalent DROP TABLE statement manually in a DB client with the same credentials.","Call tableExists first or pass ignoreIfNotExists=true if the table may already be gone."],"exampleFix":"// before\ncatalog.dropTable(TablePath.of(\"db\", \"tbl\"), false);\n// after\nif (catalog.tableExists(TablePath.of(\"db\", \"tbl\"))) {\n    try {\n        catalog.dropTable(TablePath.of(\"db\", \"tbl\"), true);\n    } catch (CatalogException e) {\n        LOG.error(\"drop failed, cause: {}\", e.getCause(), e);\n    }\n}","handlingStrategy":"try-catch","validationCode":"if (!catalog.tableExists(tablePath)) { return; } // skip if already gone","typeGuard":null,"tryCatchPattern":"try { catalog.dropTable(tablePath, true); } catch (CatalogException e) { LOG.error(\"Drop table {} failed: {}\", tablePath.getFullName(), e.getCause(), e); }","preventionTips":["Always pass ignoreIfNotExists=true for idempotent drops","Check tableExists before dropping","Confirm DROP privileges for the catalog user","Match catalog dialect to the actual DBMS"],"tags":["jdbc","catalog","sql","drop-table"],"backgroundTag":"database-write-failed","analyzedSha":"cf67b549a7a6c35fa0beb12d83c62892427ea919","analyzedAt":"2026-09-10T21:44:55.265Z","contentChangedAt":"2026-09-10T21:44:55.265Z","schemaVersion":2},"datasetVersion":"2026-09-14T11:17:12.474Z"}