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APEX 4.0 Early Adopters - Next week?
For more information, visit Patrick's blog . You can also follow Patrick on Twitter . Like Dimitri said, it's just before the holidays... :)
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Asynchronous file upload to an APEX_COLLECTION
If you are using asynchronous requests to upload data into an APEX_COLLECTION, you will end up with an ORA-00001: unique constraint violated (APEX_040100.WWV_FLOW_COLLECTION_MEMBERS_PK) . The reason is simple, sometimes APEX tries to insert the same value (WWV_FLOW_COLLECTION_MEMBERS$.SEQ_ID). A workaround consist of managing queues on the server side.