{"record":{"id":"eb913b9fa7cc9e81","repo":"apache/seatunnel","slug":"database-processing-error","errorCode":null,"errorMessage":"Database processing error","messagePattern":"Database processing error","errorType":"exception","errorClass":"ConnectException","httpStatus":null,"severity":"error","filePath":"seatunnel-connectors-v2/connector-cdc/connector-cdc-postgres/src/main/java/io/debezium/connector/postgresql/PostgresOffsetContext.java","lineNumber":332,"sourceCode":"            Lsn lastCompletelyProcessedLsn) {\n        try {\n            LOGGER.info(\"Creating initial offset context\");\n            final Lsn lsn = Lsn.valueOf(jdbcConnection.currentXLogLocation());\n            final Long txId = jdbcConnection.currentTransactionId();\n            LOGGER.info(\"Read xlogStart at '{}' from transaction '{}'\", lsn, txId);\n            return new PostgresOffsetContext(\n                    connectorConfig,\n                    lsn,\n                    lastCompletelyProcessedLsn,\n                    lastCommitLsn,\n                    txId,\n                    clock.currentTimeAsInstant(),\n                    false,\n                    false,\n                    new TransactionContext(),\n                    new SignalBasedIncrementalSnapshotContext<>(false));\n        } catch (SQLException e) {\n            throw new ConnectException(\"Database processing error\", e);\n        }\n    }\n\n    public OffsetState asOffsetState() {\n        return new OffsetState(\n                sourceInfo.lsn(),\n                sourceInfo.txId(),\n                sourceInfo.xmin(),\n                sourceInfo.timestamp(),\n                sourceInfo.isSnapshot());\n    }\n\n    @Override\n    public void markLastSnapshotRecord() {\n        sourceInfo.setSnapshot(SnapshotRecord.LAST);\n    }\n\n    @Override","sourceCodeStart":314,"sourceCodeEnd":350,"githubUrl":"https://github.com/apache/seatunnel/blob/cf67b549a7a6c35fa0beb12d83c62892427ea919/seatunnel-connectors-v2/connector-cdc/connector-cdc-postgres/src/main/java/io/debezium/connector/postgresql/PostgresOffsetContext.java#L314-L350","documentation":"PostgresOffsetContext.initialContext queries the database (e.g. current LSN / txid) to build the starting offset for the CDC stream. Any SQLException during these queries is rethrown as a generic ConnectException('Database processing error'). It indicates the offset-initialization SQL failed against the database.","triggerScenarios":"Thrown from initialContext when the initial offset query (SELECT on pg catalog / current LSN) throws SQLException, typically at source startup.","commonSituations":"Database unreachable or restarted; insufficient permissions to read replication/catalog functions; connection pool timeouts; wrong database name in the connector config.","solutions":["Verify the database is reachable and credentials are valid at startup time.","Grant the user permission to read pg_current_wal_lsn() and related catalog tables.","Retry the job; transient network issues during startup commonly surface here.","Check the wrapped SQLException (cause) for the exact SQL error code."],"exampleFix":null,"handlingStrategy":"retry","validationCode":"psql \"postgres://user@host:5432/mydb\" -c 'SELECT pg_current_wal_lsn();'","typeGuard":null,"tryCatchPattern":"try {\n  startCdcSource(cfg);\n} catch (ConnectException e) {\n  if (\"Database processing error\".equals(e.getMessage())) {\n    // inspect e.getCause() (SQLException) and retry with backoff\n  }\n}","preventionTips":["Health-check the database before submitting the job.","Grant catalog/function read access to the CDC user.","Set generous connect timeouts for startup queries."],"tags":["postgres","cdc","database","startup"],"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"}