PostgresDB 0B000: Invalid Transaction Initiation

Transaction initiation was invalid.
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What is

PostgresDB 0B000: Invalid Transaction Initiation

 ?
  1. Check PostgreSQL Logs: Immediately check the PostgreSQL server logs for any additional context or error messages around the time the error 0B000: Invalid Transaction Initiation occurred. This can often provide more specific details on what went wrong. The command to view the logs will vary based on your setup, but a common approach for Linux systems is:
  2. tail -f /var/log/postgresql/postgresql-XX-main.log
  3. Replace XX with your PostgreSQL version.
  4. Review Recent Changes: If the error started occurring recently, review any recent changes to the database schema, configurations, or connected applications that could have introduced an invalid transaction scenario.
  5. Examine Active and Recent Transactions: Use the following SQL query to check for any active or hanging transactions that might be causing issues:
  6. SELECT * FROM pg_stat_activity WHERE state != 'idle' AND query NOT LIKE '%pg_stat_activity%';
  7. This can help identify if there's a stuck transaction that needs to be terminated.
  8. Terminate Problematic Sessions: If you identify a session that is causing the issue, you can terminate it using the following command, replacing PID with the process ID of the problematic session:
  9. SELECT pg_terminate_backend(PID);
  10. Use this command with caution, as it will abruptly end the session and could potentially lead to data inconsistency if not used appropriately.
  11. Check Database Configuration Parameters: Some configuration parameters might influence transaction behavior. You can review them for any misconfiguration or values that do not align with your use case:
  12. SHOW ALL;
  13. Pay special attention to parameters like max_connections, idle_in_transaction_session_timeout, and other transaction-related settings.
  14. Analyze Application Code: If possible, review the application code that initiates the transactions for any logical errors or incorrect usage of transaction commands. This might involve looking for mismatched BEGIN, COMMIT, or ROLLBACK statements or improper session management.
  15. Restart the PostgreSQL Service: If you're unable to pinpoint the issue and the database is in a non-critical environment, consider restarting the PostgreSQL service. This can sometimes clear up transient issues, but it should be done with caution:
  16. sudo systemctl restart postgresql
  17. Note: This action might disrupt active connections and transactions, so it should be used as a last resort.
Attached error: 
PostgresDB 0B000: Invalid Transaction Initiation
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