What is

PostgresDB 28000: Invalid Authorization Specification

 ?
  1. Verify the correctness of the PostgreSQL connection string or parameters including username and password. Ensure you are using the right credentials.
  2. Check if the PostgreSQL user exists and is active:
  3. SELECT * FROM pg_catalog.pg_user WHERE usename = 'your_username';
  4. Ensure the user has login permission:
  5. SELECT usename, usesuper, usecreatedb, userepl, usebypassrls, valuntil FROM pg_catalog.pg_user WHERE usename = 'your_username';
  6. Verify the user's password and authentication method in the pg_hba.conf file. For password issues, reset the password:
  7. ALTER USER your_username WITH PASSWORD 'new_password';
  8. Reload the PostgreSQL configuration without restarting the service:
  9. SELECT pg_reload_conf();
  10. Check the PostgreSQL server logs for more detailed error messages that might indicate the cause of the authentication failure. Location and access method might vary, but a common command to view the last 100 lines could be:
  11. tail -100 /var/log/postgresql/postgresql-xx-main.log
  12. (Replace xx with your PostgreSQL version number)
  13. If you suspect the issue might be related to network or firewall settings, ensure that the port PostgreSQL is running on (default 5432) is open and accessible from your client machine.
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PostgresDB 2200S: Invalid XML Comment
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The XML document is invalid.
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Text representation of a value is invalid.
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Character string has zero length.
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C string was not properly terminated.

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