dubbo.xsd文件下载

dubbo配置xml文件报错“Multipleannotationsfoundatthisline:-cvc-complex-type.2.4.c:Thematchingwildcardisstrict,butnodeclarationcanbefoundforelement'dubbo:application'.-schema_reference.4:Failedtoreadschemadocument'http://code.alibabatech.com/schema/dubbo/dubbo.xsd',because