librocketmq.so: undefined symbol: CreateOrderlyProducer

[tankcong]

BUG REPORT

1. Please describe the issue you observed:

running samples/producer.py with error:

Traceback (most recent call last): File "producer.py", line 19, in from rocketmq.client import Producer, Message, TransactionMQProducer, TransactionStatus File "/usr/local/lib64/python3.6/site-packages/rocketmq/client.py", line 24, in from .ffi import ( File "/usr/local/lib64/python3.6/site-packages/rocketmq/ffi.py", line 173, in dll.CreateOrderlyProducer.argtypes = [c_char_p] File "/usr/lib64/python3.6/ctypes/init.py", line 356, in getattr func = self.getitem(name) File "/usr/lib64/python3.6/ctypes/init.py", line 361, in getitem func = self._FuncPtr((name_or_ordinal, self)) AttributeError: /usr/local/lib64/python3.6/site-packages/rocketmq/librocketmq.so: undefined symbol: CreateOrderlyProducer

2. Please tell us about your environment:

   • CentOS 7
   • python 3.7
   • rocketmq-client-python 1.2.4
   • rocketmq version 4.8.0
   • rocketmq-client-cpp 2.0.0 -centos7-x86_64

[ifplusor]

Please use latest rocketmq-client-cpp

[ifplusor]

Check the declaration of CreateOrderlyProducer in CProducer.h

[treelly]

I have the same problem, my system is linux-ubuntu, how did you solve it

[missuor]

same problem ubuntu 20.04

(ecloud-collector) root@think:~# python -V
Python 2.7.18
(ecloud-collector) root@think:~# pip list
Package                Version
---------------------- ---------
backports-abc          0.5
canal-python           0.4
certifi                2021.10.8
chardet                4.0.0
enum34                 1.1.10
futures                3.3.0
idna                   2.10
pip                    20.3.4
protobuf               3.17.3
requests               2.27.1
rocketmq               0.4.4
rocketmq-client-python 2.0.0
setuptools             44.1.1
singledispatch         3.7.0
six                    1.16.0
tornado                5.1.1
typing                 3.10.0.0
urllib3                1.26.8
wheel                  0.37.1
(ecloud-collector) root@think:~# dpkg -l|grep rocketmq
ii  rocketmq                                   2.0.0                               amd64        This package is C++ client of Apache RocketMQ for debian and its derivertives like Ubuntu.
(ecloud-collector) root@think:~# 

[treelly]

 您好，邮件已收到！

[thomaslv2]

@missuor You have installed other rocketmq client[rocketmq], you can try: pip uninstall rocketmq pip install rocketmq-client-python Hope this works for you！

[treelly]

 您好，邮件已收到！

[fei-ghb]

install rocketmq-client-cpp-2.0.0-centos7-x86_64

[treelly]

 您好，邮件已收到！

[Ava-yjt]

卸载rocketmq-client-python和rocketmq 重新安装rocketmq-client-python和rocketmq-client-cpp，成功解决了这个问题 猜测是新版的rocketmq-client-python和rocketmq包有冲突，只需要安装前者就行

[treelly]

 您好，邮件已收到！