连接建立后，查询一次后再次查询会报错

[fangxingli]

In [82]: with pool.connection() as con:
...: tbl = con.table('level1_md')
...: %time a=[i for i in tbl.scan(row_start='20200617090000000_sh_00', row_stop='20200617090000000_sh_01', limit=4000, columns = ['cf:symbol'])]

CPU times: user 0 ns, sys: 1 ms, total: 1 ms
Wall time: 7.59 ms

In [83]: with pool.connection() as con:
...: tbl = con.table('level1_md')
...: %time a=[i for i in tbl.scan(row_start='20200617090000000_sh_00', row_stop='20200617090000000_sh_01', limit=4000, columns = ['cf:symbol'])]
...:
...:
...:

TTransportException Traceback (most recent call last)
in ()

in (.0)

/home/XXXpython3.6/site-packages/easybase/table.py in scan(self, row_start, row_stop, row_prefix, columns, filter, timerange, include_timestamp, batch_size, scan_batching, limit, reversed, max_version)
344 )
345
--> 346 scan_id = self.connection.client.openScanner(self.name.encode(), tscan)
347
348 logger.debug("Opened scanner (id=%d) on '%s'", scan_id, self.name)

/home/XXXpython3.6/site-packages/thriftpy2/thrift.py in _req(self, _api, *args, **kwargs)
217 # wait result only if non-oneway
218 if not getattr(result_cls, "oneway"):
--> 219 return self._recv(_api)
220
221 def _send(self, _api, **kwargs):

/home/XXXpython3.6/site-packages/thriftpy2/thrift.py in _recv(self, _api)
229
230 def _recv(self, _api):
--> 231 fname, mtype, rseqid = self._iprot.read_message_begin()
232 if mtype == TMessageType.EXCEPTION:
233 x = TApplicationException()

/home/XXXpython3.6/site-packages/thriftpy2/protocol/cybin/cybin.pyx in cybin.TCyBinaryProtocol.read_message_begin()

/home/XXXpython3.6/site-packages/thriftpy2/protocol/cybin/cybin.pyx in cybin.read_i32()

/home/XXXpython3.6/site-packages/thriftpy2/transport/buffered/cybuffered.pyx in thriftpy2.transport.buffered.cybuffered.TCyBufferedTransport.c_read()

/home/XXXpython3.6/site-packages/thriftpy2/transport/buffered/cybuffered.pyx in thriftpy2.transport.buffered.cybuffered.TCyBufferedTransport.read_trans()

/home/XXXpython3.6/site-packages/thriftpy2/transport/cybase.pyx in thriftpy2.transport.cybase.TCyBuffer.read_trans()

/home/XXXpython3.6/site-packages/thriftpy2/transport/socket.py in read(self, sz)
130 if len(buff) == 0:
131 raise TTransportException(type=TTransportException.END_OF_FILE,
--> 132 message='TSocket read 0 bytes')
133 return buff
134

TTransportException: TTransportException(type=4, message='TSocket read 0 bytes')

[wgzhao]

New version has fix it