I am reposting with some sample output. Having trouble SDK’s MQTT library. It fails to publish to AWS when the message reaches over 210 bytes. Tried increasing stack sizes, moving buffers to heap/data seg, etc. Nothing helps. I do not believe it is a problem with the AWS service, but rather the SDK. Anyone experience similar problems? Thanks, Paul * Note 130 is the generic RETCODE_MQTT_PUBLISH_FAILED macro INFO | XDK DEVICE 8: publishBuffer length: 208 INFO | XDK DEVICE 8: Published data: {"en":{"r":"22","p":"100297","t":"25.961"},"lt":2880,"tm":1576599896,"ns":{"a":"53.38","m":"46.89","x":"58.77","v":"8.05"},"mg":{"x":"-74","y":"-32","z":"-48","r":"6103"},"mc":"A8:1B:6A:99:81:47","bv":"4031"} INFO | XDK DEVICE 8: publishBuffer length: 209 INFO | XDK DEVICE 8: Published data: {"en":{"r":"22","p":"100298","t":"25.951"},"lt":2880,"tm":1576599956,"ns":{"a":"53.30","m":"44.30","x":"60.33","v":"13.73"},"mg":{"x":"-73","y":"-31","z":"-48","r":"6106"},"mc":"A8:1B:6A:99:81:47","bv":"4034"} INFO | XDK DEVICE 8: publishBuffer length: 210 INFO | XDK DEVICE 8: Published data: {"en":{"r":"22","p":"100290","t":"25.961"},"lt":92160,"tm":1576600016,"ns":{"a":"55.36","m":"47.76","x":"75.65","v":"25.77"},"mg":{"x":"-74","y":"-33","z":"-49","r":"6105"},"mc":"A8:1B:6A:99:81:47","bv":"4034"} INFO | XDK DEVICE 8: publishBuffer length: 211 INFO | XDK DEVICE 8: AppControllerFireTask : AWS MQTT publish failed INFO | XDK DEVICE 8: {"en":{"r":"23","p":"100290","t":"25.961"},"lt":123840,"tm":1576600076,"ns":{"a":"55.83","m":"38.14","x":"79.73","v":"45.56"},"mg":{"x":"-75","y":"-32","z":"-48","r":"6105"},"mc":"A8:1B:6A:99:81:47","bv":"4035"} INFO | XDK DEVICE 8: Debug 3Error in XDK110 Application package. INFO | XDK DEVICE 8: Package ID: 153 INFO | XDK DEVICE 8: Module ID: 39 INFO | XDK DEVICE 8: Severity code: 2 INFO | XDK DEVICE 8: Error code: 130 INFO | XDK DEVICE 8: publishBuffer length: 211 INFO | XDK DEVICE 8: AppControllerFireTask : AWS MQTT publish failed INFO | XDK DEVICE 8: {"en":{"r":"23","p":"100286","t":"25.951"},"lt":155520,"tm":1576600136,"ns":{"a":"55.40","m":"47.38","x":"70.21","v":"22.00"},"mg":{"x":"-75","y":"-32","z":"-48","r":"6106"},"mc":"A8:1B:6A:99:81:47","bv":"4036"} INFO | XDK DEVICE 8: Debug 3Error in XDK110 Application package. INFO | XDK DEVICE 8: Package ID: 153 INFO | XDK DEVICE 8: Module ID: 39 INFO | XDK DEVICE 8: Severity code: 2 INFO | XDK DEVICE 8: Error code: 130 INFO | XDK DEVICE 8: publishBuffer length: 205 INFO | XDK DEVICE 8: Published data: {"en":{"r":"23","p":"100290","t":"25.961"},"lt":0,"tm":1576600196,"ns":{"a":"56.57","m":"43.84","x":"82.34","v":"43.78"},"mg":{"x":"-39","y":"23","z":"-14","r":"6106"},"mc":"A8:1B:6A:99:81:47","bv":"4038"} INFO | XDK DEVICE 8: publishBuffer length: 205 INFO | XDK DEVICE 8: Published data: {"en":{"r":"23","p":"100282","t":"25.941"},"lt":0,"tm":1576600256,"ns":{"a":"57.53","m":"43.78","x":"92.17","v":"69.11"},"mg":{"x":"-40","y":"24","z":"-13","r":"6104"},"mc":"A8:1B:6A:99:81:47","bv":"4039"}
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