Hi Lidi $ python -m SimpleHTTPServer 8000 $ curl http://localhost:8000 *Works.*
$ nc -6 -l 1234 # in one terminal $ echo 'Hello' | nc localhost 1234 # in another terminal # The 'Hello' should appear in the first terminal *Works.* # Check your gRPC Python version $ pip show grpcio --- Metadata-Version: 2.1 Name: grpcio Version: 1.16.0 Summary: HTTP/2-based RPC framework Home-page: https://grpc.io Author: The gRPC Authors Author-email: grpc-io@googlegroups.com Installer: pip License: Apache License 2.0 Location: /usr/local/lib/python2.7/dist-packages Requires: six, enum34, futures Classifiers: Development Status :: 5 - Production/Stable Programming Language :: Python Programming Language :: Python :: 2 Programming Language :: Python :: 2.7 Programming Language :: Python :: 3 Programming Language :: Python :: 3.4 Programming Language :: Python :: 3.5 Programming Language :: Python :: 3.6 License :: OSI Approved :: Apache Software License i am still not able to make it work :( thanks Ankit On Thursday, November 8, 2018 at 2:50:56 PM UTC-8, li...@google.com wrote: > > Hi Ankit, > > Sorry to hear that none of the fixes work for you. If the server is > started and able to bind tcp port, there is a great chance that this might > due to some local network setting. > > To detect whether there is a local network issue or gRPC Python issue, can > you try to start other applications that bind a port and try to communicate > with it? > > For example, you can try: > > $ python -m SimpleHTTPServer 8000 > $ curl http://localhost:8000 > # Or visit this address in browser, it should show up a valid HTML web page > > or > > $ nc -6 -l 1234 # in one terminal > $ echo 'Hello' | nc localhost 1234 # in another terminal > # The 'Hello' should appear in the first terminal > > If one of those work, then there might be some issue with gRPC Python. If > so, can you provide your gRPC Python version as well? > # Check your gRPC Python version > $ pip show grpcio > > Bests, > Lidi > > > On Thursday, November 8, 2018 at 9:18:32 AM UTC-8, ankitpa...@gmail.com > wrote: >> >> Hi Lidi >> >> greeterserver.py is running on a terminal from other terminal i can see >> that port 50051 is bound to python >> # lsof -i :50051 >> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME >> python 18126 root 6u IPv6 32226 0t0 TCP *:50051 (LISTEN) >> root@fmx215:~/gRPC/grpc/examples/python/helloworld# >> >> I am behind corporate proxy; but i think they are working fine since I am >> able to reach ernal internet as well as reach to nodes on internal network >> i am not sure if corporate proxy would alter or redirect any traffic here. >> >> >> following is my /etc/hosts file >> 127.0.0.1 localhost >> 127.0.1.1 fmx215.xx.xxx.com fmx215 >> >> # The following lines are desirable for IPv6 capable hosts >> ::1 localhost ip6-localhost ip6-loopback >> ff02::1 ip6-allnodes >> ff02::2 ip6-allrouters >> >> I am still unable to get this example working. please let me know what >> else i can check or do to make it working >> >> thanks >> Ankit >> On Wednesday, November 7, 2018 at 4:40:59 PM UTC-8, li...@google.com >> wrote: >>> >>> Hi Ankit, >>> >>> After the greeter_server.py started, have you observed the port 50051 >>> been bound in your system? Also, have you use any sort of VPN or local >>> proxy that may redirect the traffic? One more check, is there a loopback >>> entry for 'localhost' in your /etc/hosts? >>> >>> Lidi >>> >>> On Wednesday, November 7, 2018 at 4:26:48 PM UTC-8, ankitpa...@gmail.com >>> wrote: >>>> >>>> I have ubuntu server system >>>> >>>> #lsb_release -a >>>> Distributor ID: Ubuntu >>>> Description: Ubuntu 16.04.5 LTS >>>> Release: 16.04 >>>> Codename: xenial >>>> >>>> #uname -a >>>> Linux fmx215 4.10.0-42-generic #46~16.04.1-Ubuntu SMP Mon Dec 4 >>>> 15:57:59 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux >>>> >>>> I am trying to run python quick start example step by step as >>>> explained on https://grpc.io/docs/quickstart/python.html >>>> <https://grpc.io/docs/quickstart/python.html> >>>> >>>> greeter_server.py runs without any error and wait for greeter_client.py >>>> >>>> while running greeter_client.py it fails. >>>> >>>> # python greeter_client.py >>>> Traceback (most recent call last): >>>> File "greeter_client.py", line 35, in <module> >>>> run() >>>> File "greeter_client.py", line 30, in run >>>> response = stub.SayHello(helloworld_pb2.HelloRequest(name='you')) >>>> File "/usr/local/lib/python2.7/dist-packages/grpc/_channel.py", line >>>> 533, in __call__ >>>> return _end_unary_response_blocking(state, call, False, None) >>>> File "/usr/local/lib/python2.7/dist-packages/grpc/_channel.py", line >>>> 467, in _end_unary_response_blocking >>>> raise _Rendezvous(state, None, None, deadline) >>>> grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with: >>>> status = StatusCode.UNAVAILABLE >>>> details = "Socket closed" >>>> debug_error_string = >>>> "{"created":"@1541634693.250829735","description":"Error received from >>>> peer","file":"src/core/lib/surface/call.cc","file_line":1017,"grpc_message":"Socket >>>> >>>> closed","grpc_status":14}" >>>> >>>> >>>> https://stackoverflow.com/questions/53129263/run-grpc-python-example-must-use-sudo-command >>>> >>>> <https://stackoverflow.com/questions/53129263/run-grpc-python-example-must-use-sudo-command>seem >>>> >>>> to be same issue but adding "sudo" doesn't help me. I am already running >>>> this exercise as root >>>> >>>> I have checked system using "netstat" and "lsof" and port 50051 is not >>>> used by any process. >>>> >>>> can you help me in running this quick start example without any errors. >>>> >>>> thank you >>>> Ankit >>>> >>> -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To post to this group, send email to grpc-io@googlegroups.com. Visit this group at https://groups.google.com/group/grpc-io. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/0d6bcbb3-c84c-4c83-945b-ef8ad40b89d3%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
