Axis2 服务器未能识别 HTTP 头 SOAPAction 的值 的解决办法

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公司的WebService服务端使用.NET生成，客户端需要使用Java来写，客户端代码如下：

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;

import java.rmi.RemoteException;

public class Axis2Test
{
    public static void main(String[] args) throws RemoteException {
        test();
    }

    public static void test() throws AxisFault {
        try {
            String url = "目标URL";
            Options options = new Options();
            EndpointReference targetEPR = new EndpointReference(url);
            options.setTo(targetEPR);
            ServiceClient sender = new ServiceClient();
            sender.setOptions(options);
            OMFactory fac = OMAbstractFactory.getOMFactory();
            String tns = "目标的TargetNameSpace";
            OMNamespace omNs = fac.createOMNamespace(tns, "");
            OMElement method = fac.createOMElement("调用的方法名", omNs);
            OMElement symbol = fac.createOMElement("参数名", omNs);
            symbol.addChild(fac.createOMText(symbol, "参数值"));
            method.addChild(symbol);
            method.build();
            OMElement result = sender.sendReceive(method);
            System.out.println(result);
        } catch (AxisFault axisFault) {
            axisFault.printStackTrace();
        }
    }
}

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在运行这段代码时出现了如下错误：

org.apache.axis2.AxisFault: System.Web.Services.Protocols.SoapException: 服务器未能识别 HTTP 头 SOAPAction 的值: 。
   在 System.Web.Services.Protocols.Soap11ServerProtocolHelper.RouteRequest()
   在 System.Web.Services.Protocols.SoapServerProtocol.RouteRequest(SoapServerMessage message)
   在 System.Web.Services.Protocols.SoapServerProtocol.Initialize()
   在 System.Web.Services.Protocols.ServerProtocol.SetContext(Type type, HttpContext context, HttpRequest request, HttpResponse response)
   在 System.Web.Services.Protocols.ServerProtocolFactory.Create(Type type, HttpContext context, HttpRequest request, HttpResponse response, Boolean& abortProcessing)
    at org.apache.axis2.util.Utils.getInboundFaultFromMessageContext(Utils.java:508)
    at org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:368)
    at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:414)
    at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:225)
    at org.apache.axis2.client.OperationClient.execute(OperationClient.java:150)
    at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:533)
    at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:509)
    at Axis2Test.test(Axis2Test.java:34)
    at Axis2Test.main(Axis2Test.java:15)

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经过查找之后发现JAX-WS规范不需要SoapAction，但是.NET需要，所以产生了这个错误。
在上网查找了之后发现可以在option对象下添加一个属性：

options.setAction("目标的TargetNameSpace"+"调用的方法名");

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添加后代码为：

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;

import java.rmi.RemoteException;

public class Axis2Test
{
    public static void main(String[] args) throws RemoteException {
        test();
    }

    public static void test() throws AxisFault {
        try {
            String url = "目标URL";
            Options options = new Options();
            EndpointReference targetEPR = new EndpointReference(url);
            options.setTo(targetEPR);
            options.setAction("目标的TargetNameSpace"+"调用的方法名");//需要加上这条语句
            ServiceClient sender = new ServiceClient();
            sender.setOptions(options);
            OMFactory fac = OMAbstractFactory.getOMFactory();
            String tns = "目标的TargetNameSpace";
            OMNamespace omNs = fac.createOMNamespace(tns, "");
            OMElement method = fac.createOMElement("调用的方法名", omNs);
            OMElement symbol = fac.createOMElement("参数名", omNs);
            symbol.addChild(fac.createOMText(symbol, "参数值"));
            method.addChild(symbol);
            method.build();
            OMElement result = sender.sendReceive(method);
            System.out.println(result);
        } catch (AxisFault axisFault) {
            axisFault.printStackTrace();
        }
    }
}