Spring Boot+Kotlin调用SOAP服务报错：No marshaller registered

项目编译运行正常，但调用/get端点时抛出错误：

java.lang.IllegalStateException: No marshaller registered. Check configuration of WebServiceTemplate.

客户端代码 #

class ExtraccionCatalogosService: WebServiceGatewaySupport() {
    fun extraer(){
        println("Iniciando extracción de catálogos")
        val request = VehiculoMarca()
        request.proveedor = "XXXXX"
        request.password = "XXXX"
        request.usuario = "AH"
        request.token = "00000000000"
        request.tipoVehiculo = "01"
        request.negocio = ""
        val response = WebServiceTemplate().marshalSendAndReceive("https://pruebas.seguros.com/webservices/cot?wsdl", request, SoapActionCallback("http://ws.units.seguros.com/")) as VehiculoMarcaResponse
        println(response)
    }
}

配置类代码 #

@Configuration
class ExtraccionMarshaller {
    @Bean
    fun getMarshaller(): Jaxb2Marshaller{
        println("configurando marshaller")
        val jaxb2Marshaller = Jaxb2Marshaller()
        jaxb2Marshaller.contextPath = "com.ws.seguros.models.wsdl"
        return jaxb2Marshaller
    }

    @Bean
    fun getExtraccionCatalogos(jaxb2Marshaller: Jaxb2Marshaller): ExtraccionCatalogosService{
        println("configuracndo extraccion service")
        val extraccionCatalogosService = ExtraccionCatalogosService()
        extraccionCatalogosService.defaultUri = "https://pruebas.seguros.com/webservices/cot?wsdl"
        extraccionCatalogosService.marshaller = jaxb2Marshaller
        extraccionCatalogosService.unmarshaller = jaxb2Marshaller
        return extraccionCatalogosService
    }
}

控制器代码 #

@RestController
class ExtraccionCatalogosController {
    @Autowired
    lateinit var extraccionCatalogosService: ExtraccionCatalogosService

    @GetMapping("/get")
    fun extraer(){
        val resp = extraccionCatalogosService.extraer()
        println(resp)
    }
}

问题核心是客户端代码手动创建了未配置的WebServiceTemplate实例，而非使用WebServiceGatewaySupport已初始化好的模板。

ExtraccionCatalogosService继承自WebServiceGatewaySupport，配置类已经为其注入了marshaller和unmarshaller，这些参数会自动绑定到父类的WebServiceTemplate中。但你在extraer()方法里新建的WebServiceTemplate()是完全空白的实例，没有任何marshaller配置，因此触发错误。

修改客户端代码，直接使用父类提供的已配置模板：

class ExtraccionCatalogosService: WebServiceGatewaySupport() {
    fun extraer(){
        println("Iniciando extracción de catálogos")
        val request = VehiculoMarca()
        request.proveedor = "XXXXX"
        request.password = "XXXX"
        request.usuario = "AH"
        request.token = "00000000000"
        request.tipoVehiculo = "01"
        request.negocio = ""
        // 直接调用父类的marshalSendAndReceive方法，使用已配置好的模板
        val response = marshalSendAndReceive(request, SoapActionCallback("http://ws.units.seguros.com/")) as VehiculoMarcaResponse
        println(response)
    }
}

配置类中已经设置了defaultUri，因此调用时无需重复传入URL参数。修改后，Spring注入的marshaller会被正确应用，解决无marshaller注册的问题。

内容的提问来源于stack exchange，提问作者Adonis Becerra Morales