PostgresDB 2200M: Invalid XML Document

The XML document is invalid.
  1. Identify which query or operation triggered the error by looking at the application logs or PostgreSQL log files. This will help you pinpoint the exact issue.
  2. Validate the XML document that is causing the error. Use an online XML validator or command line tools like xmllint to check for well-formedness. For example:
  3. xmllint --noout yourfile.xml
  4. Replace yourfile.xml with the path to your XML file. This command will report if there are any issues with the XML structure.
  5. If the XML document is being generated or altered by your application, review the code responsible for this to ensure it produces well-formed XML. Pay special attention to escape characters, proper closing of tags, and encoding.
  6. If the XML document is stored in the database, retrieve it and manually inspect it for errors. You can use a query like:
  7. SELECT your_xml_column FROM your_table WHERE your_condition;
  8. Replace your_xml_column, your_table, and your_condition with your specific column name, table, and condition to locate the problematic XML.
  9. Ensure that the XML document complies with any XML schema (XSD) it's supposed to follow. If you have the schema, you can use tools to validate the XML against it.
  10. If you've identified and corrected the issue in the XML document, attempt to re-run the operation or query that previously failed to see if the issue is resolved.
  11. If the problem persists, consider extracting more detailed error information from PostgreSQL using the RAISE statement in a PL/pgSQL block to output more context about the error, or consult the PostgreSQL documentation for error 2200M for more specific guidance related to your PostgreSQL version.

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