SELECT * FROM pg_stat_activity WHERE state = 'active'; to find the current running queries. Look for any queries that might be dealing with XML data or processing.<, &, >, " in values without being properly escaped) or wrongly structured XML tags.< becomes <, & becomes &, etc.) or fixing the structure to ensure proper opening and closing tags.UPDATE your_table_name SET your_xml_column = 'corrected XML content' WHERE condition_to_identify_the_problematic_row;.pg_stat_activity and the PostgreSQL logs for any recurrence of the error. Adjust monitoring tools to alert for similar errors in the future.Only run the commands or make changes if you are confident in your understanding of the operations and the potential impact on your database.
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