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From Francisco Byun <comba...@gmail.com>
Subject Re: "TSocket read 0 bytes" when dictionary contains unicode character on 64-bit Ubuntu
Date Mon, 17 May 2010 19:32:36 GMT
Hello David,

I forgot to take a look at server error log. This is what I found from
server. Well, server think, it got "Unexpected TType". Again, it only
happens when I put non-latin character (Korean letters) in the string.
If I send everything purely in latin character, no ERROR occurs.

2010-05-18 03:37:57,917 [25831:-4E200470] <root> ** ERROR ** Unexpected TType
Traceback (most recent call last):
  File "build/bdist.linux-i686/egg/thrift/server/TServer.py", line
157, in serveClient
    self.processor.process(iprot, oprot)
  File "/home/ara/arara/gen-py/arara_thrift/ArticleManager.py", line
833, in process
    self._processMap[name](self, seqid, iprot, oprot)
  File "/home/ara/arara/gen-py/arara_thrift/ArticleManager.py", line
1036, in process_write_article
    args.read(iprot)
  File "/home/ara/arara/gen-py/arara_thrift/ArticleManager.py", line
3054, in read
    fastbinary.decode_binary(self, iprot.trans, (self.__class__,
self.thrift_spec))
TypeError: Unexpected TType


2010/5/18 David Reiss <dreiss@facebook.com>:
> It looks like the server closed the connection without sending back
> a response.  I would take a look at the server error log.
>
> --David
>
> Francisco Byun wrote:
>> Hello. I'm running a BBS written in Python which use Thrift as the
>> protocol between Backend & Frontend server. Recently I tried to
>> migrate Frontend server. Former Frontend server was 32-bit Ubuntu
>> server. New Frontend server is 64-bit Ubuntu server with doubled
>> memory.
>>
>> But I failed.
>>
>> When Frontend ask Backend to send some information, it works fine. But
>> when Frontend tries to send some information, it does not work very
>> well. For example, I tried to write an article written in English,
>> everything was fine. But when I tried to write an article written in
>> Korean, it just screwed up with following traceback.
>>
>> What should I inspect? Is this reported Thrift problem, or my code is
>> wrong? (But identical source works fine with 32-bit Ubuntu server
>>
>> .)
>>
>> Traceback (most recent call last):
>>
>>  File "/usr/local/lib/python2.6/dist-packages/Django-1.2-py2.6.egg/django/core/handlers/base.py",
>> line 100, in get_response
>>    response = callback(request, *callback_args, **callback_kwargs)
>>
>>  File "/home/ara/arara/warara/__init__.py", line 24, in check_error
>>    return f(*args, **argv)
>>
>>  File "/home/ara/arara/warara/board/views.py", line 118, in write
>>    return write_(request, board_name)
>>
>>  File "/home/ara/arara/warara/__init__.py", line 24, in check_error
>>    return f(*args, **argv)
>>
>>  File "/home/ara/arara/warara/board/views.py", line 169, in write_
>>    article_id = server.article_manager.write_article(sess, board_name,
>> WrittenArticle(**article_dic))
>>
>>  File "/home/ara/arara/gen-py/arara_thrift/ArticleManager.py", line
>> 607, in write_article
>>    return self.recv_write_article()
>>
>>  File "/home/ara/arara/gen-py/arara_thrift/ArticleManager.py", line
>> 620, in recv_write_article
>>    (fname, mtype, rseqid) = self._iprot.readMessageBegin()
>>
>>  File "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.egg/thrift/protocol/TBinaryProtocol.py",
>> line 126, in readMessageBegin
>>    sz = self.readI32()
>>
>>  File "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.egg/thrift/protocol/TBinaryProtocol.py",
>> line 203, in readI32
>>    buff = self.trans.readAll(4)
>>
>>  File "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.egg/thrift/transport/TTransport.py",
>> line 58, in readAll
>>    chunk = self.read(sz-have)
>>
>>  File "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.egg/thrift/transport/TTransport.py",
>> line 155, in read
>>    self.__rbuf = StringIO(self.__trans.read(max(sz, self.DEFAULT_BUFFER)))
>>
>>  File "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.egg/thrift/transport/TSocket.py",
>> line 94, in read
>>    raise TTransportException(type=TTransportException.END_OF_FILE,
>> message='TSocket read 0 bytes')
>>
>> TTransportException: TSocket read 0 bytes
>>
>> <ModPythonRequest
>> path:/board/test/write/,
>> GET:<QueryDict: {}>,
>> POST:<QueryDict: {u'file1': [u'', u''], u'delete_file': [u''],
>> u'article_no': [u''], u'title': [u'test'], u'text': [u'--\r\nKAIST
>> \ucca0\ud559\uacfc\uc5d0 \uc7ac\ud559\uc911\uc778
>> \ubcc0\uaddc\ud64d\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.'],
>> u'article_write': [u'write'], u'board_name': [u'test'], u'write_type':
>> [u'write'], u'file1_fi': [u'', u'']}>,
>

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