Error from Hyperdash server: invalid_request.invalid_json

[dtmoodie]

I've recently started receiving the above error message. Any input would be appreciated, I have a training session that starts and appears on the dashboard for a little bit and then is listed as disconnected.

[andrewschreiber]

Could you run pip freeze in your python environment and post the output here?

[dtmoodie]

actionlib==1.11.9 angles==1.9.11 attrs==15.2.0 autobahn==0.10.3 autograd==1.1.13 backports-abc==0.5 backports.shutil-get-terminal-size==1.0.0 backports.weakref==1.0rc1 bleach==1.5.0 bondpy==1.7.19 camera-calibration==1.12.20 camera-calibration-parsers==1.11.12 catkin==0.7.6 catkin-pkg==0.3.6 catkin-pkg-modules==0.3.6 certifi==2017.7.27.1 chardet==3.0.4 configparser==3.5.0 cryptography==1.2.3 cv-bridge==1.12.4 cycler==0.9.0 decorator==4.0.6 defusedxml==0.4.1 diagnostic-analysis==1.9.2 diagnostic-common-diagnostics==1.9.2 diagnostic-updater==1.9.2 digits==5.1.dev0 docutils==0.12 dynamic-reconfigure==1.5.48 ecdsa==0.13 empy==3.3.2 entrypoints==0.2.3 enum34==1.1.6 Flask==0.10.1 Flask-SocketIO==2.6 Flask-WTF==0.12 funcsigs==1.0.2 functools32==3.2.3.post2 future==0.16.0 futures==3.0.5 gazebo-plugins==2.5.13 gazebo-ros==2.5.13 gencpp==0.5.5 geneus==2.2.6 genlisp==0.4.16 genmsg==0.5.8 gennodejs==2.0.1 genpy==0.6.5 gevent==1.1.0 gevent-websocket==0.9.3 graphviz==0.8 h5py==2.6.0 html5lib==0.9999999 hyperdash==0.15.2 idna==2.6 image-geometry==1.12.4 interactive-markers==1.11.3 ipaddress==1.0.16 ipykernel==4.6.1 ipython==5.0.0 ipython-genutils==0.2.0 ipywidgets==6.0.0 Jinja2==2.9.6 joblib==0.9.4 jsonschema==2.6.0 jupyter==1.0.0 jupyter-client==5.1.0 jupyter-console==5.1.0 jupyter-core==4.3.0 laser-geometry==1.6.4 lmdb==0.87 lz4==0.7.0 Markdown==2.6.9 MarkupSafe==1.0 matplotlib==1.5.1 message-filters==1.12.7 mistune==0.7.4 mock==2.0.0 mpi4py==1.3.1 msgpack-python==0.4.6 mxnet==0.11.1 nbconvert==5.2.1 nbformat==4.3.0 netifaces==0.10.4 nose==1.3.7 notebook==5.0.0 numpy==1.13.1 PAM==0.4.2 pandocfilters==1.4.2 paramiko==1.16.0 pathlib2==2.3.0 pbr==3.1.1 pexpect==4.2.1 pickleshare==0.7.4 Pillow==3.1.2 pluginlib==1.10.5 prompt-toolkit==1.0.15 protobuf==3.4.0 psutil==3.4.2 ptyprocess==0.5.2 pyasn1==0.1.9 pyasn1-modules==0.0.7 pycrypto==2.6.1 pydot==1.0.29 Pygments==2.2.0 PyOpenGL==3.0.2 pyOpenSSL==0.15.1 pyparsing==2.0.3 pyserial==3.0.1 Pyste==0.9.10 python-dateutil==2.4.2 python-qt-binding==0.3.2 python-slugify==1.2.4 python-snappy==0.5 pytz==2014.10 PyYAML==3.11 pyzmq==16.0.2 qt-dotgraph==0.3.4 qt-gui==0.3.4 qt-gui-cpp==0.3.4 qt-gui-py-common==0.3.4 qtconsole==4.3.1 requests==2.18.4 resource-retriever==1.12.3 roman==2.0.0 rosbag==1.12.7 rosboost-cfg==1.13.5 rosclean==1.13.5 roscreate==1.13.5 rosdep==0.11.8 rosdistro==0.6.2 rosdistro-modules==0.6.2 rosgraph==1.12.7 roslaunch==1.12.7 roslib==1.13.5 roslint==0.11.0 roslz4==1.12.7 rosmake==1.13.5 rosmaster==1.12.7 rosmsg==1.12.7 rosnode==1.12.7 rosparam==1.12.7 rospkg==1.1.2 rospkg-modules==1.1.2 rospy==1.12.7 rosservice==1.12.7 rostest==1.12.7 rostopic==1.12.7 rosunit==1.13.5 roswtf==1.12.7 rqt-action==0.4.9 rqt-bag==0.4.8 rqt-bag-plugins==0.4.8 rqt-console==0.4.8 rqt-dep==0.4.8 rqt-graph==0.4.8 rqt-gui==0.5.0 rqt-gui-py==0.5.0 rqt-image-view==0.4.8 rqt-launch==0.4.8 rqt-logger-level==0.4.8 rqt-moveit==0.5.7 rqt-msg==0.4.8 rqt-nav-view==0.5.7 rqt-plot==0.4.8 rqt-pose-view==0.5.7 rqt-publisher==0.4.8 rqt-py-common==0.5.0 rqt-py-console==0.4.8 rqt-reconfigure==0.4.8 rqt-robot-dashboard==0.5.7 rqt-robot-monitor==0.5.7 rqt-robot-steering==0.5.7 rqt-runtime-monitor==0.5.7 rqt-rviz==0.5.7 rqt-service-caller==0.4.8 rqt-shell==0.4.8 rqt-srv==0.4.8 rqt-tf-tree==0.5.8 rqt-top==0.4.8 rqt-topic==0.4.8 rqt-web==0.4.8 rviz==1.12.11 scandir==1.5 scikit-fmm==0.0.9 scikit-image==0.10.1 scikit-learn==0.17 scipy==0.17.0 sensor-msgs==1.12.5 service-identity==16.0.0 simplegeneric==0.8.1 simplejson==3.8.1 singledispatch==3.4.0.3 six==1.10.0 smach==2.0.1 smach-ros==2.0.1 smclib==1.7.19 tensorflow==1.3.0 tensorflow-tensorboard==0.1.5 terminado==0.6 testpath==0.3.1 tf==1.11.9 tf-conversions==1.11.9 tf2-geometry-msgs==0.5.16 tf2-kdl==0.5.16 tf2-py==0.5.16 tf2-ros==0.5.16 tf2-sensor-msgs==0.5.17 topic-tools==1.12.7 tornado==4.5.1 traitlets==4.3.2 trollius==2.0.1 Twisted==16.0.0 txaio==1.0.0 ubuntuone-client-data==14.4 Unidecode==1.0.22 urllib3==1.22 wcwidth==0.1.7 webencodings==0.5.1 Werkzeug==0.12.2 widgetsnbextension==2.0.0 WTForms==2.1 xacro==1.11.2 zope.interface==4.1.3