hey @kapa.ai I got this error:

java.lang.RuntimeException: org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.

It looks like you're encountering an error related to a PostgreSQL connection issue. This error message is common in scenarios where there are connectivity problems between the PostgreSQL database and the application. Here are some relevant instances and potential solutions based on similar issues reported: 1. Postgres Connector Dropping Connection Error: - Issue:

java.lang.RuntimeException: org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.

- Details: This issue has been reported in multiple cases where the connection to the PostgreSQL database drops intermittently. - Example: [Github Issue #29632](https://github.com/airbytehq/airbyte/issues/29632) - Troubleshooting Steps: - Ensure that

statement_timeout

and

idle_in_transaction_session_timeout

are not set or are set to appropriate values. - Adjust memory settings:

JOB_MAIN_CONTAINER_MEMORY_REQUEST=2g

and

JOB_MAIN_CONTAINER_MEMORY_LIMIT=12g

. - Consider adding a JDBC URL parameter

connectTimeout=0

. 2. Postgres Source Crash: TIMEOUT_TYPE_HEARTBEAT: - Issue:

java.lang.RuntimeException: org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.

- Details: This issue is related to activity timeouts and connection availability. - Example: [Github Issue #13906](https://github.com/airbytehq/airbyte/issues/13906) - Troubleshooting Steps: - Check the connection configuration and ensure that the database is reachable. - Verify that the connection pool settings (e.g., HikariPool) are correctly configured to handle the load. 3. Redshift Destination Connector Error: - Issue:

java.util.concurrent.CompletionException: io.airbyte.commons.exceptions.SQLRuntimeException: com.amazon.redshift.util.RedshiftException: An I/O error occurred while sending to the backend.

- Details: This issue is similar but specific to Redshift. - Example: [Github Discussion #37841](https://github.com/airbytehq/airbyte/discussions/37841) - Troubleshooting Steps: - Ensure that the Redshift cluster is properly configured and accessible. - Check for any network issues that might be causing the I/O error. If these steps do not resolve your issue, you may want to provide more details about your setup and configuration, or refer to the specific issues linked above for further insights. For more detailed troubleshooting, you can also refer to the [Airbyte documentation](https://docs.airbyte.com). If you have any further questions or need additional assistance, feel free to ask!