paypal - 403 Forbidden during setExpressCheckout -

i getting following error during expresscheckout in sandbox account using setexpresscheckout method. using soap library paypal_base.jar, paypal_stubs.jar

pm com.paypal.sdk.exceptions.transactionexception <init> severe: (403)forbidden 

anyone me resolve issue?

please refer to https://www.paypal-notify.com/eventnotification/event_details?eventid=4283. can try use "org.apache.axis.transport.http.commonshttpsender" in axis support http1.1. have use axis 1.3 or more 1.2 has bug https connection