Overview The AWS IoT Greengrass PubSub SDK for Python provides an IoT PubSub application architecture delivered as a Python library to simplify and accelerate development of distributed IoT ...

In some cases, the PubSub emulator gets a NullPointerException as well, but its a little more difficult to reproduce.

Microsoft is previewing a new Azure Web PubSub service used to create real-time applications based on WebSockets communication tech. Because WebSockets allows for full-duplex communication channels ...