database conflict error Traceback (most recent call last): File "bin/../src/wa_kat/rest_api/init.py", line 40, in get_result ri.paralel_processing() File "bin/../src/wa_kat/zeo/request_info.py", line 109, in paralel_processing self.processing_started_ts = time.time() File "/usr/local/lib/python2.7/dist-packages/transaction/_manager.py", line 120, in exit self.commit() File "/usr/local/lib/python2.7/dist-packages/transaction/_manager.py", line 111, in commit return self.get().commit() File "/usr/local/lib/python2.7/dist-packages/transaction/_transaction.py", line 280, in commit reraise(t, v, tb) File "/usr/local/lib/python2.7/dist-packages/transaction/_transaction.py", line 271, in commit self._commitResources() File "/usr/local/lib/python2.7/dist-packages/transaction/_transaction.py", line 417, in _commitResources reraise(t, v, tb) File "/usr/local/lib/python2.7/dist-packages/transaction/_transaction.py", line 394, in _commitResources rm.tpc_vote(self) File "/usr/local/lib/python2.7/dist-packages/ZODB/Connection.py", line 786, in tpc_vote s = vote(transaction) File "/usr/local/lib/python2.7/dist-packages/ZEO/ClientStorage.py", line 1107, in tpc_vote return self._check_serials() File "/usr/local/lib/python2.7/dist-packages/ZEO/ClientStorage.py", line 937, in _check_serials raise s ConflictError: database conflict error (oid 0x0192, class wa_kat.zeo.request_info.RequestInfo, serial this txn started with 0x03b3a6fe24266baa 2015-12-08 17:02:08.472675, serial currently committed 0x03b3a6fe24d0cd99 2015-12-08 17:02:08.628665)