cyber_channel info [Error] UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc7 in position 32: invalid continuation byte

[xuehuan-yang]

System information

• OS Platform and Distribution Ubuntu 18.04:
• Apollo installed from source:
• Apollo version 5.0:

Steps to reproduce the issue:

[Success]yxh@in_dev_docker: cyber_recorder play -f docs/demo_guide/demo_3.5.record --loop [Success]Run Offline Demo & successfully goto Dreamview and the car is moving around [Success]yxh@in_dev_docker: /apollo$ cyber_channel list The number of channels is: 39 /apollo/canbus/chassis /apollo/canbus/chassis_detail /apollo/common/latency_records /apollo/control /apollo/control/pad /apollo/drive_event /apollo/guardian /apollo/hmi/audio_capture /apollo/hmi/status /apollo/localization/msf_gnss /apollo/localization/msf_lidar /apollo/localization/msf_status /apollo/localization/pose /apollo/monitor /apollo/monitor/system_status /apollo/navigation /apollo/perception/obstacles /apollo/perception/traffic_light /apollo/planning /apollo/prediction /apollo/relative_map /apollo/routing_request /apollo/routing_response /apollo/sensor/camera/front_6mm/image /apollo/sensor/camera/front_6mm/image/compressed /apollo/sensor/gnss/best_pose /apollo/sensor/gnss/corrected_imu /apollo/sensor/gnss/gnss_status /apollo/sensor/gnss/imu /apollo/sensor/gnss/ins_stat /apollo/sensor/gnss/ins_status /apollo/sensor/gnss/odometry /apollo/sensor/gnss/raw_data /apollo/sensor/gnss/rtk_eph /apollo/sensor/gnss/rtk_obs /apollo/sensor/lidar128/compensator/PointCloud2 /apollo/storytelling /tf /tf_static

[Error] yxh@in_dev_docker: /apollo$ cyber_channel info /apollo/perception/obstacles UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc7 in position 32: invalid continuation byte

The above exception was the direct cause of the following exception: SystemError: <class 'UnicodeDecodeError'> returned a result with an error set The above exception was the direct cause of the following exception: SystemError: <class 'UnicodeDecodeError'> returned a result with an error set The above exception was the direct cause of the following exception: SystemError: <class 'UnicodeDecodeError'> returned a result with an error set The above exception was the direct cause of the following exception: SystemError: <class 'UnicodeDecodeError'> returned a result with an error set The above exception was the direct cause of the following exception: SystemError: <class 'UnicodeDecodeError'> returned a result with an error set The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/apollo/cyber/tools/cyber_channel/cyber_channel", line 408, in _channel_cmd_info(argv) File "/apollo/cyber/tools/cyber_channel/cyber_channel", line 310, in _channel_cmd_info channel_info(args[0]) File "/apollo/cyber/tools/cyber_channel/cyber_channel", line 270, in channel_info channlesinfo_dict = cyber.ChannelUtils.get_channels_info() File "/apollo/cyber/python/cyber_py3/cyber.py", line 395, in get_channels_info return _CYBER.PyChannelUtils_get_channels_info(sleep_s) SystemError: returned a result with an error set

yxh@in_dev_docker:/apollo$ cyber_channel echo /apollo/perception/obstacles

E0401 11:51:06.767853 12730 py_cyber.cc:654] [cyber_py]cyber_PyChannelUtils_get_debugstring_by_msgtype_rawmsgdata failed! TypeError: cyber_PyChannelUtils_get_debugstring_by_msgtype_rawmsgdata() argument 1 must be str, not bytes

The above exception was the direct cause of the following exception:

Traceback (most recent call last): File "_ctypes/callbacks.c", line 234, in 'calling callback function' File "/apollo/cyber/python/cyber_py3/cyber.py", line 233, in reader_callback sub1 File "/apollo/cyber/tools/cyber_channel/cyber_channel", line 351, in callback print(cyber.ChannelUtils.get_debugstring_rawmsgdata(msgtype, raw_data)) File "/apollo/cyber/python/cyber_py3/cyber.py", line 364, in get_debugstring_rawmsgdata return _CYBER.PyChannelUtils_get_debugstring_by_msgtype_rawmsgdata(msg_type, rawmsgdata) SystemError: returned a result with an error set E0401 11:51:07.043089 12730 py_cyber.cc:654] [cyber_py]cyber_PyChannelUtils_get_debugstring_by_msgtype_rawmsgdata failed! TypeError: cyber_PyChannelUtils_get_debugstring_by_msgtype_rawmsgdata() argument 1 must be str, not bytes

The above exception was the direct cause of the following exception:

Traceback (most recent call last): File "_ctypes/callbacks.c", line 234, in 'calling callback function' File "/apollo/cyber/python/cyber_py3/cyber.py", line 233, in reader_callback sub1 File "/apollo/cyber/tools/cyber_channel/cyber_channel", line 351, in callback print(cyber.ChannelUtils.get_debugstring_rawmsgdata(msgtype, raw_data)) File "/apollo/cyber/python/cyber_py3/cyber.py", line 364, in get_debugstring_rawmsgdata return _CYBER.PyChannelUtils_get_debugstring_by_msgtype_rawmsgdata(msg_type, rawmsgdata) SystemError: returned a result with an error set

yxh@in_dev_docker: /apollo$ cyber_channel list

Please advice. Many thanks for your kind support and assistance.

[storypku]

@changsh726 Please help check if this was already fixed.

[xuehuan-yang]

Fixed with thanks.
$source scripts/setup.bash