Received a message without an op.

[sstoleriu]

• [x ] I am at the right place and my issue is directly related to ROS#. General technical questions I would post e.g. at ROS Answers or Stack Overflow. For library-specific questions I would look for help in the corresponding library forums.
• [x ] I have thoroughly read the Contributing Guideline and writing this issue is the right thing to do in my case.

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I have a question!

• [ x] I searched the Wiki, open and closed issues for an answer. I tried my best to find the answer by myself without success. I believe that the discussion we will have in this issue, and the solutions we might find, will help me, and likely other community members who have a similar problem.

Here is my question: When I want to subscribe to an topic with HoloLens 2 application, I receive the message "[Client x] Received a message without an op." In Play mode works fine, I receive the message from topic.

• My OS is: Windows 10
• My Unity Version is: 2020.3.33f1
• My ROS Distribution is: ros-sharp
• My Build Target Platform is: Microsoft Hololens 2

[HaomiaoZ]

Try https://github.com/EricVoll/ros-sharp. It looks like UWP needs a different protocol.

[sstoleriu]

@HaomiaoZ It works! Thank you!