REST API returns item quantity as integer instead of string

[headmax]

Hi,

I get an exception in the JAVA API.

Unable to parse Json Can not set java.lang.String field com.paypal.sdk.v1.payments.Item.quantity to java.lang.Integer

The root cause of this though is that the REST returns the item quantity as an integer, while it is supposed to be a string. Here is part of the JSON response I got when setting a breakpoint where this exception occurs:

{"id":"PAY-REDACTED",
"intent":"sale",
"state":"created",
"payer":{"payment_method":"paypal"},
"transactions":[{
	"amount":{"total":"551.70","currency":"EUR"},
	"item_list":{
		"items":[
			{"name":"Product Name 1","sku":"A47834","price":"2.70","currency":"EUR","quantity":1},
			{"name":"Product Name 2","sku":"B41665","price":"549.00","currency":"EUR","quantity":1}
	]},
	"related_resources":[]}],
"create_time":"2018-05-18T13:08:51Z",
"links":[
	{"href":"https://api.sandbox.paypal.com/v1/payments/payment/PAY-REDACTED","rel":"self","method":"GET"},
	{"href":"https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=EC-REDACTED","rel":"approval_url","method":"REDIRECT"},
	{"href":"https://api.sandbox.paypal.com/v1/payments/payment/PAY-REDACTED/execute","rel":"execute","method":"POST"}
]}

See the "quantity" at the end of each item line? That should be a string and in fact it has to be a string when passed to the REST API when creating the payment. But it is returned as an integer in the response. Leaving out the items is not an option for me as I am trying to integrate Paypal Plus, which requires item lines.

Any suggestions?

[headmax]

BTW, if anyone ever finds this in search for help. I actually fixed this and filed a pull request against the paypal api on Github one month ago and this pull request remains just as ignored as this post here.