AWS Iot device continues to run into this error 'Server connection closed code [event stream rpc connection has encountered a protocol error]: [Id 422427, Class ServerConnection, Refs 1](2023-09-16T00:00:23.717Z) - <null>', This causes our IoT device to fail to transmit data to the cloud. Following this error we see downstream exceptions that seem to be relate:
uds_IPC_error_callback,x CBCBCBErr IPCError (message received = Processing messages from the Greengrass Core resulted in error: Failed with EVENT_STREAM_RPC_CRT_ERROR, the CRT error was libaws-c-event-stream: AWS_ERROR_EVENT_STREAM_RPC_PROTOCOL_ERROR, event stream rpc connection has encountered a protocol error[WARN] [2023-09-16T14:03:28Z] [73aff3c0] [event-stream-rpc-client] - id=0x6d247620: a stream id was received that corresponds to an already-closed stream"
Info:
- Greengrass Nucleus version 2.10.1
- Greengrass StreamManager version 2.1.5
- This problem has occurred 3 times in the last 4 days.
- Python environment
- Error being raised by
software.amazon.awssdk.eventstreamrpc.RpcServer
- Unable to reproduce manually
Does anyone know why our device would run into RPC protocol errors? The logs are not descriptive enough to determine the root cause
