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https://issues.apache.org/jira/browse/THRIFT-2335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14031232#comment-14031232
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Chris mildebrandt commented on THRIFT-2335:
-------------------------------------------
When I used tornado for the server, I had to use TFramedTransport on the client
side.
> thrift incompatibility with py:tornado as server, java as client
> ----------------------------------------------------------------
>
> Key: THRIFT-2335
> URL: https://issues.apache.org/jira/browse/THRIFT-2335
> Project: Thrift
> Issue Type: Bug
> Components: Python - Library
> Affects Versions: 0.9.1
> Environment: MacOSX 10.7.5
> Python 2.6.7
> Thrift 0.9.1
> Tornado 2.4.1
> Java 1.7.0_17
> Reporter: Anfernee Yongkun Gui
> Priority: Blocker
> Attachments: Screenshot 2014-01-29 15.41.28.png
>
>
> I used both py:tornado server and client, it worked well. But when I tried to
> run py:tornado server and java client, it failed with the following error
> (same thing happens in python client).
> Starting python server...
> unregister
> None
> ERROR:root:Uncaught exception, closing connection.
> Traceback (most recent call last):
> File "/Library/Python/2.6/site-packages/tornado/iostream.py", line 311, in
> wrapper
> callback(*args)
> File "/Library/Python/2.6/site-packages/tornado/stack_context.py", line 229,
> in wrapped
> callback(*args, **kwargs)
> File "/Library/Python/2.6/site-packages/tornado/gen.py", line 383, in inner
> self.set_result(key, result)
> File "/Library/Python/2.6/site-packages/tornado/gen.py", line 315, in
> set_result
> self.run()
> File "/Library/Python/2.6/site-packages/tornado/gen.py", line 345, in run
> yielded = self.gen.send(next)
> File "/Library/Python/2.6/site-packages/thrift/TTornado.py", line 104, in
> _readFrameFromStream
> frame_length, = struct.unpack('!i', frame_header)
> error: unpack requires a string argument of length 4
> My environment is:
> MacOSX 10.7.5
> Python 2.6.7
> Thrift 0.9.1
> Tornado 2.4.1
> Java 1.7.0_17
> Thrift file:
> namespace java protocol
> namespace py protocol
> struct RegisterMessage {
> 1: required string type
> 2: required string name
> 3: required string host
> 4: required i32 port
> 5: optional i32 service_port
> }
> struct UnregisterMessage {
> 1: required string type
> 2: required string name
> 3: required string host
> }
> service Registry {
> bool register_component(1: RegisterMessage message)
> bool unregister_component(1: UnregisterMessage message)
> }
> Python server:
> class RegistryHandler:
> def register_component(self, message, callback):
> print 'register'
> print message
> callback(True)
> def unregister_component(self, message, callback):
> print 'unregister'
> print message
> callback(True)
> handler = RegistryHandler()
> processor = gen.protocol.Registry.Processor(handler)
> pfactory = TBinaryProtocol.TBinaryProtocolFactory()
> server = TTornado.TTornadoServer(processor, pfactory)
> print "Starting python server..."
> server.bind(50002)
> server.start(1)
> ioloop.IOLoop.instance().start()
> print "done!"
> Java client:
> TTransport transport = new TSocket("localhost", 50002);
> transport.open();
> TProtocol protocol = new TBinaryProtocol(transport);
> Registry.Client client = new Registry.Client(protocol);
> UnregisterMessage u_message = new UnregisterMessage("1", "2", "3");
> client.unregister_component(u_message);
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