我使用JAX-WS wsgen工具从wsdl架构实现了SOAP客户端 这是在Windows 32bit JDK 1.6.0_45,JAX-WS RI 2.1.6,生成的源版本:2.1
下完成的。
当服务没有响应时,我的代码在尝试调用服务构造函数时就会挂起。
我花了很长时间寻找解决方案。我发现了:
1)添加超时系统属性,如:
sun.rmi.transport.connectionTimeout=50
sun.rmi.transport.tcp.handshakeTimeout=50
sun.rmi.transport.tcp.responseTimeout=50
sun.rmi.transport.tcp.readTimeout=50
sun.net.client.defaultConnectTimeout=50
sun.net.client.defaultReadTimeout=50
timeout=50
2)向BindingProvider的RequestContext添加超时属性:
port = service.getExampleServicePort();
BindingProvider prov = (BindingProvider) port;
prov.getRequestContext().put("com.sun.xml.internal.ws.request.timeout", requestTimeout);
prov.getRequestContext().put("com.sun.xml.ws.request.timeout", requestTimeout);
prov.getRequestContext().put("com.sun.xml.internal.ws.connect.timeout", connectTimeout);
prov.getRequestContext().put("com.sun.xml.ws.connect.timeout", connectTimeout);
问题是,代码在我获得端口之前冻结,特别是当我调用生成的服务类的构造函数时,它扩展了javax.xml.ws.Service:
service = new ExampleService(url, new QName("http://query.services.example.com/", "ExampleService"));
//freezes here
以下是导致问题的构造函数:
/**
* This class was generated by the JAX-WS RI.
* JAX-WS RI 2.1.6 in JDK 6
* Generated source version: 2.1
*
*/
@WebServiceClient(name = "ExampleService", targetNamespace = "http://query.services.example.com/", wsdlLocation = "http://myservicehost/services/Query.asmx?WSDL")
public class ExampleService
extends Service
{
public ExampleService(URL wsdlLocation, QName serviceName) {
super(wsdlLocation, serviceName);
}
//....
}
最后,这种服务方法只是挂起
protected Service(java.net.URL wsdlDocumentLocation, QName serviceName) {
delegate = Provider.provider().createServiceDelegate(wsdlDocumentLocation,
serviceName,
this.getClass());
}
如果服务没有响应(不使用Apache Axis或JBoss WS等其他库),如何防止我的ExampleService冻结?
谢谢!