Fixed bug that failed to handle the KeyboardInterrupt exception

correctly when the application caught this exception and then tried to
reuse the connection.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -27,6 +27,9 @@ Thin Mode Changes
 #)  Fixed bug when using bind variables with scrollable cursors.
 #)  Fixed bug when setting ``SOURCE_ROUTE`` on the ``DESCRIPTION`` section of a
     full connect descriptor instead of the ``ADDRESS_LIST`` section.
+#)  Fixed bug that failed to handle the KeyboardInterrupt exception correctly
+    when the application caught this exception and then tried to reuse the
+    connection.
 
 Thick Mode Changes
 ++++++++++++++++++

src/oracledb/impl/thin/protocol.pyx

@@ -460,7 +460,7 @@ cdef class Protocol(BaseProtocol):
         except MarkerDetected:
             self._reset()
             message.process(self._read_buf)
-        except Exception as e:
+        except BaseException as e:
             if not self._in_connect \
                     and self._write_buf._packet_sent \
                     and self._read_buf._transport is not None \