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A simple query select id, xml_data from table where xml_data is a XML_TYPE failed to displayed in SQL Developer 4.0. The tab shows a red exclamation mark but doesn't display anything. Nothing in log viewer, message tag, ... If I remove the xml_type column select id, xml_data from table the query display something. I tried to turn on/off the option "Display Struct value in grid" but it doesn't solve the issue. Version is 188.8.131.52 build is Build MAIN-12.27. Is this a bug ? What should I do at this point ?