Network request with additional try / catch to handle an IOException

MainActivity.kt

private fun loadPartsAndUpdateList() {
    GlobalScope.launch(Dispatchers.Main) {
        try {
            // Execute web request through coroutine call adapter & retrofit
            val webResponse = WebAccess.partsApi.getPartsAsync().await()

            if (webResponse.isSuccessful) {
                // Get the returned & parsed JSON from the web response.
                // Type specified explicitly here to make it clear that we already
                // get parsed contents.
                val partList: List<PartData>? = webResponse.body()
                Log.d(tag, partList?.toString())
                // Assign the list to the recycler view. If partsList is null,
                // assign an empty list to the adapter.
                adapter.partItemList = partList ?: listOf()
                // Inform recycler view that data has changed.
                // Makes sure the view re-renders itself
                adapter.notifyDataSetChanged()
            } else {
                // Print error information to the console
                Log.e(tag, "Error ${webResponse.code()}")
                Toast.makeText(this@MainActivity, "Error ${webResponse.code()}", Toast.LENGTH_LONG).show()
            }
        } catch (e: IOException) {
            // Error with network request
            Log.e(tag, "Exception " + e.printStackTrace())
            Toast.makeText(this@MainActivity, "Exception ${e.message}", Toast.LENGTH_LONG).show()
        }
    }
}