My app was rejected by the Amazon Appstore because the IAP isn't working. Anyway, the IAP is working in the debug version of the app using the Amazon App Tester. Furthermore the test version of the app (Amazon beta test) works fine too. But during the official review of the Amazon team the IAP fails.
There's a strange error message in the log:
09-25 16:59:27.727 15127 15409 E AmazonAppstore.IAP/SubmitMetricAction: Unsupported metric received: MetricName: JsonParsingFailed, MetricData: {"jsonString":"{\"sku\":\"2278\",\"title\":\"Pro Version, 1 Month\",\"description\":\"Pro version: Get additional features for 1 month!\",\"iconUrl\":\"http:\\\/\\\/ecx.images-amazon.com\\\/images\\\/I\\\/61vHhABBwCL._SL110_FMPNG_h1_.png\",\"itemType\":\"CONSUMABLE\"}","description":"a.onResult()"}
The app uses IAP library version 2.0.76.
I have no idea what happens here. Has anyone else encountered something like this? Any ideas how to solve this?