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  1. Calcite
  2. CALCITE-2882

Connection properties are lost after timeout

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      When use avatica connect Phoenix QueryServer, I create an AvaticaConnection:

      Connection conntion = DriverManage.getConnection(url);
      connection.setAutoCommit(true);
      

      Avatica keep PhoenixConnection alive in the Cache, which will be expired after 10min by default.
      I still use the older AvaticaConnection , it will reopen an PhoenixConnection, but the ConnectionProperties is loss, such as AutoCommit.

      I use sqlline-thin.py to reappear the problem:
      1) sqlline-thin.py http://localhost:8765
      2) upsert one row and select

      3) after 10 min, upsert again, the connection will be recreate, but select null

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