PostgresDB 08007: Transaction Resolution Unknown

The outcome of a transaction resolution is unknown.
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What is

PostgresDB 08007: Transaction Resolution Unknown

 ?

When encountering the error 08007: Transaction Resolution Unknown in PostgreSQL, the immediate actions you can take are:

  1. Check the PostgreSQL server logs: Look for any related errors or warnings that occurred around the same time as the 08007 error. This can provide more context on what might have caused the transaction resolution to be unknown. Use the command:
  2. tail -n 100 /path/to/postgresql/log/file.log
  3. Replace /path/to/postgresql/log/file.log with the actual path to your PostgreSQL log file.
  4. Review the client application logs: If your application received this error, there should be a log or trace that led up to it. This can provide insight into what the application was trying to do at the time.
  5. Check for network issues: Since this error can occur due to a transient network problem between your application and the database, check for any reported network issues at the time of the error.
  6. Examine system resource usage: Sometimes, system resources like CPU, memory, or disk I/O can affect database operations. Use commands like top, vmstat, iostat, and free to monitor system resources.
  7. Verify PostgreSQL server status: Ensure that the PostgreSQL server is running and is not in a stopped or crashed state. Use:
  8. pg_ctl status -D /path/to/data/directory
  9. Or if you're using a service manager like systemd:
  10. systemctl status postgresql
  11. Check for active connections and running queries: This can help determine if there's an unusual load or a stuck transaction. Use:
  12. SELECT * FROM pg_stat_activity;
  13. Review transaction isolation levels and locks: Sometimes, issues with transactions can be related to isolation levels or locks that prevent transactions from completing.
    • For checking locks: SELECT * FROM pg_locks WHERE not granted;
    • For reviewing current session's isolation level:SHOW transaction_isolation;

These steps are focused on gathering information that can help identify the root cause of the 08007: Transaction Resolution Unknown error.

Attached error: 
PostgresDB 08007: Transaction Resolution Unknown
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