Re: ConflictError debugging?

i think Persistent Mapping doesn’t support conflict resolution. use a BTree
instead.
On Sat, Jun 30, 2018 at 08:52 Etienne Robillard <[email protected]> wrote:

> Hello,
>
> Can someone please tell me what is going on here?
>
>
> INFO:[('127.0.0.1', 4343)] ClientStorage (pid=5766) created RW/normal
> for storage: '1'
> INFO:created temporary cache file '<fdopen>'
> DEBUG:Using selector: PollSelector
> DEBUG:disconnected <ZEO.asyncio.client.Client object at 0xb3578ed0> None
> DEBUG:try_connecting
> INFO:Connected Protocol(('127.0.0.1', 4343), '1', 0)
> INFO:[('127.0.0.1', 4343)] Connected to storage: ('localhost', 4343)
> DEBUG:new transaction
> DEBUG:commit
> DEBUG:new transaction
> DEBUG:commit
> INFO:[('127.0.0.1', 4343)] ClientStorage (pid=5766) created RW/normal
> for storage: '1'
> INFO:created temporary cache file '<fdopen>'
> DEBUG:Using selector: PollSelector
> DEBUG:disconnected <ZEO.asyncio.client.Client object at 0xb35528d0> None
> DEBUG:try_connecting
> INFO:Connected Protocol(('127.0.0.1', 4343), '1', 0)
> INFO:[('127.0.0.1', 4343)] Connected to storage: ('localhost', 4343)
> DEBUG:new transaction
> DEBUG:commit
> DEBUG:new transaction
> DEBUG:commit
> DEBUG:new transaction
> DEBUG:commit <Connection at 0945fb70>
> DEBUG:commit
> DEBUG:Initialized ZODB instance: <Database u'127.0.0.1:4343' :: V 0>
> INFO:[('127.0.0.1', 4545)] ClientStorage (pid=5766) created RW/normal
> for storage: '1'
> INFO:created temporary cache file '<fdopen>'
> DEBUG:Using selector: PollSelector
> DEBUG:disconnected <ZEO.asyncio.client.Client object at 0x09111150> None
> DEBUG:try_connecting
> INFO:Connected Protocol(('127.0.0.1', 4545), '1', 0)
> INFO:[('127.0.0.1', 4545)] Connected to storage: ('localhost', 4545)
> DEBUG:new transaction
> DEBUG:commit
> DEBUG:new transaction
> DEBUG:commit
> DEBUG:new transaction
> DEBUG:commit <Connection at 09115770>
> DEBUG:commit
> DEBUG:Initialized ZODB instance: <Database u'127.0.0.1:4545' :: V 30>
> DEBUG:Initialized ZODB connections: {'db_default': <Database
> u'127.0.0.1:4343' :: V 0>, 'db_blog': <Database u'127.0.0.1:4545' :: V
> 30>}
> DEBUG:new transaction
> DEBUG:commit <Connection at b34dee10>
> libschevo 4.0.2 :: Database Activities :: Update Database
>
> Opening database...
> Current database version is 0.
> Syncing database with new schema source...
> db_default
> db_blog
> Traceback (most recent call last):
>    File "/usr/local/pypy/bin/schevo", line 11, in <module>
>      load_entry_point('libschevo', 'console_scripts', 'schevo')()
>    File "/home/erob/src/libschevo/lib/schevo/script/command.py", line
> 32, in __call__
>      return self.main(arg0, args)
>    File "/home/erob/src/libschevo/lib/schevo/script/command.py", line
> 74, in main
>      return command()(*args)
>    File "/home/erob/src/libschevo/lib/schevo/script/command.py", line
> 32, in __call__
>      return self.main(arg0, args)
>    File "/home/erob/src/libschevo/lib/schevo/script/command.py", line
> 74, in main
>      return command()(*args)
>    File "/home/erob/src/libschevo/lib/schevo/script/command.py", line
> 32, in __call__
>      return self.main(arg0, args)
>    File "/home/erob/src/libschevo/lib/schevo/script/db_update.py", line
> 92, in main
>      db._sync(schema_source, initialize=False)
>    File "/home/erob/src/libschevo/lib/schevo/database2.py", line 1477,
> in _sync
>      self._commit()
>    File "/home/erob/src/libschevo/lib/schevo/backends/zodb.py", line
> 102, in commit
>      transaction.commit()
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/transaction/_manager.py",
>
> line 131, in commit
>      return self.get().commit()
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/transaction/_transaction.py",
>
> line 311, in commit
>      reraise(t, v, tb)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/transaction/_transaction.py",
>
> line 302, in commit
>      self._commitResources()
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/transaction/_transaction.py",
>
> line 447, in _commitResources
>      reraise(t, v, tb)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/transaction/_transaction.py",
>
> line 424, in _commitResources
>      rm.tpc_vote(self)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/ZODB/Connection.py",
> line 692, in tpc_vote
>      s = vote(transaction)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/ZEO/ClientStorage.py",
> line 753, in tpc_vote
>      for oid in self._call('vote', id(txn)) or ():
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/ZEO/asyncio/client.py",
>
> line 764, in call
>      return self.__call(self.call_threadsafe, method, args, **kw)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/ZEO/asyncio/client.py",
>
> line 743, in call
>      return self.wait_for_result(result, timeout)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/ZEO/asyncio/client.py",
>
> line 756, in wait_for_result
>      return future.result(timeout)
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/concurrent/futures/_base.py",
>
> line 429, in result
>      return self.__get_result()
>    File
> "/usr/local/pypy/pypy2-v5.9.0-linux32/site-packages/concurrent/futures/_base.py",
>
> line 381, in __get_result
>      raise exception_type, self._exception, self._traceback
> ConflictError: database conflict error (oid 0x01, class
> persistent.mapping.PersistentMapping, serial this txn started with
> 0x03c8913c1dc30988 2018-06-30 13:48:06.975437, serial currently
> committed 0x03c8913dac03f200 2018-06-30 13:49:40.316112)
>
> The command i'm attempting to run is:
>
> $ /usr/local/pypy/bin/schevo db update --app mainapp zodb://127.0.0.1:4343
>
> Thank you,
>
> Etienne
>
>
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