_call.setOperationName(new javax.xml.namespace.QName(
"https://api.seashell.bill99.com", "gatewayOrderQuery"));
https://api.seashell.bill99.com — 對應 WSDL <definitions targetNamespace="...">。gatewayOrderQuery — 對應 WSDL <operation name="gatewayOrderQuery">。Message part gatewayOrderQuery was not recognized — 表明提供的 namespaceURI 或 localPart 與 WSDL 定義不匹配。常見問題:
gatewayOrderQueryRequest 等。https://api.seashell.bill99.com/xxx?wsdl。<operation name=" 確認確切操作名。targetNamespace 值,逐字符複製。wsimport 生成客戶端存根,避免手動構造 QName。