[GitHub] [kyuubi] turboFei commented on pull request #4949: For operation getNextRowSet method, with operation lock required

["turboFei (via GitHub)" <gi...@apache.org>]

turboFei commented on PR #4949:
URL: https://github.com/apache/kyuubi/pull/4949#issuecomment-1586467895

   > why connection socket timeout could cause NPE?
   
   For incremental collect mode, the fetchResult might trigger a spark task to collect the incremental result.
   
   The jdbc client to kyuubi gateway timeout, but the fetchResult request has been sent to engine.
   Then the jdbc client re-send the fetchResult request.
   
   And the getNextResultSet in spark engine side concurrent execute.
   
   


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