Hi,

On 15.01.2013 17:32 schrieb Feng Xiao:
> On Tue, Jan 15, 2013 at 11:06 PM, Johannes Wienke <
> jwie...@techfak.uni-bielefeld.de> wrote:
> 
>> Hi,
>>
>> On 01/15/2013 04:00 PM, Feng Xiao wrote:
>>> Protobuf messages are thread-compatible. You can read a protobuf message
>>> concurrently in multiple threads. But if you need to update it at the
>> same
>>> time, all threads must acquire a lock before accessing or updating the
>>> message.
>>
>> Thanks, that's what I would have expected. But do you see a reason for
>> the error below under these assumptions?
>>
> It might be that the "read" operations you referred to actually changed the
> message.

Just to keep the list up to date: We have traced this down to an
implementation issue in the python API. A respective bug report with
test case can be found here:
http://code.google.com/p/protobuf/issues/detail?id=454

Cheers,
Johannes

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