webservice系统学习笔记7-异常处理
接口类：IMyService.java
@WebResult(name="testExceptionResult")
public void testException() throws MyException;
实现类：MyServiceImpl.java
@Override
public void testException() throws MyException{
throw new MyException("this is my exception");
}
异常类：MyException.java
public class MyException extends Exception{
public MyException() {
super();
// TODO Auto-generated constructor stub
}
public MyException(String message, Throwable cause) {
super(message, cause);
// TODO Auto-generated constructor stub
}
public MyException(String message) {
super(message);
// TODO Auto-generated constructor stub
}
public MyException(Throwable cause) {
super(cause);
// TODO Auto-generated constructor stub
}
}
生成的wsdl文件：
<?xml version="1.0" encoding="UTF-8" ?>
- <!-- Published by JAX-WS RI at http://jax-ws.dev.java.net. RI's version is JAX-WS RI 2.1.6 in JDK 6.
-->
- <!-- Generated by JAX-WS RI at http://jax-ws.dev.java.net. RI's version is JAX-WS RI 2.1.6 in JDK 6.
-->
- <definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://ws01.yzl.com/" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns="http://schemas.xmlsoap.org/wsdl/" targetNamespace="http://ws01.yzl.com/" name="MyServiceImplService">
- <types>
- <xsd:schema>
<xsd:import namespace="http://ws01.yzl.com/" schemaLocation="http://localhost:8888/ws01?xsd=1" />
</xsd:schema>
</types>
- <message name="testException">
<part name="parameters" element="tns:testException" />
</message>
- <message name="testExceptionResponse">
<part name="parameters" element="tns:testExceptionResponse" />
</message>
- <message name="MyException">
<part name="fault" element="tns:MyException" />
</message>
- <portType name="IMyService">
- <operation name="testException">
<input message="tns:testException" />
<output message="tns:testExceptionResponse" />
<fault message="tns:MyException" name="MyException" />
</operation>
</portType>
- <binding name="MyServiceImplPortBinding" type="tns:IMyService">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document" />
- <operation name="testException">
<soap:operation soapAction="" />
- <input>
<soap:body use="literal" />
</input>
- <output>
<soap:body use="literal" />
</output>
- <fault name="MyException">
<soap:fault name="MyException" use="literal" />
</fault>
</operation>
</binding>
- <service name="MyServiceImplService">
- <port name="MyServiceImplPort" binding="tns:MyServiceImplPortBinding">
<soap:address location="http://localhost:8888/ws01" />
</port>
</service>
</definitions>
生成的xsd文件：
<?xml version="1.0" encoding="UTF-8" ?>
- <!-- Published by JAX-WS RI at http://jax-ws.dev.java.net. RI's version is JAX-WS RI 2.1.6 in JDK 6.
-->
- <xs:schema xmlns:tns="http://ws01.yzl.com/" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.0" targetNamespace="http://ws01.yzl.com/">
<xs:element name="MyException" type="tns:MyException" />
<xs:element name="testException" type="tns:testException" />
<xs:element name="testExceptionResponse" type="tns:testExceptionResponse" />
- <xs:complexType name="testException">
<xs:sequence />
</xs:complexType>
- <xs:complexType name="testExceptionResponse">
<xs:sequence />
</xs:complexType>
- <xs:complexType name="MyException">
- <xs:sequence>
<xs:element name="message" type="xs:string" minOccurs="0" />
</xs:sequence>
</xs:complexType>
</xs:schema>
使用myeclipse的Web Service Explorer调用该接口方法后返回的SOAP消息
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
<S:Body>
<S:Fault xmlns:ns3="http://www.w3.org/2003/05/soap-envelope">
<faultcode>S:Server</faultcode>
<faultstring>this is my exception</faultstring>
<detail>
<ns2:MyException xmlns:ns2="http://ws01.yzl.com/">
<message>this is my exception</message>
</ns2:MyException>
<ns2:exception xmlns:ns2="http://jax-ws.dev.java.net/" class="com.yzl.ws01.MyException" note="To disable this feature, set com.sun.xml.internal.ws.fault.SOAPFaultBuilder.disableCaptureStackTrace system property to false">
<message>this is my exception</message>
<ns2:stackTrace>
<ns2:frame class="com.yzl.ws01.MyServiceImpl" file="MyServiceImpl.java" line="56" method="testException" />
<ns2:frame class="sun.reflect.NativeMethodAccessorImpl" file="NativeMethodAccessorImpl.java" line="native" method="invoke0" />
<ns2:frame class="sun.reflect.NativeMethodAccessorImpl" file="NativeMethodAccessorImpl.java" line="39" method="invoke" />
<ns2:frame class="sun.reflect.DelegatingMethodAccessorImpl" file="DelegatingMethodAccessorImpl.java" line="25" method="invoke" />
<ns2:frame class="java.lang.reflect.Method" file="Method.java" line="597" method="invoke" />
<ns2:frame class="com.sun.xml.internal.ws.api.server.InstanceResolver$1" file="InstanceResolver.java" line="235" method="invoke" />
<ns2:frame class="com.sun.xml.internal.ws.server.InvokerTube$2" file="InvokerTube.java" line="135" method="invoke" />
<ns2:frame class="com.sun.xml.internal.ws.server.sei.EndpointMethodHandler" file="EndpointMethodHandler.java" line="246" method="invoke" />
<ns2:frame class="com.sun.xml.internal.ws.server.sei.SEIInvokerTube" file="SEIInvokerTube.java" line="82" method="processRequest" />
<ns2:frame class="com.sun.xml.internal.ws.api.pipe.Fiber" file="Fiber.java" line="587" method="__doRun" />
<ns2:frame class="com.sun.xml.internal.ws.api.pipe.Fiber" file="Fiber.java" line="546" method="_doRun" />
<ns2:frame class="com.sun.xml.internal.ws.api.pipe.Fiber" file="Fiber.java" line="531" method="doRun" />
<ns2:frame class="com.sun.xml.internal.ws.api.pipe.Fiber" file="Fiber.java" line="428" method="runSync" />
<ns2:frame class="com.sun.xml.internal.ws.server.WSEndpointImpl$2" file="WSEndpointImpl.java" line="232" method="process" />
<ns2:frame class="com.sun.xml.internal.ws.transport.http.HttpAdapter$HttpToolkit" file="HttpAdapter.java" line="460" method="handle" />
<ns2:frame class="com.sun.xml.internal.ws.transport.http.HttpAdapter" file="HttpAdapter.java" line="233" method="handle" />
<ns2:frame class="com.sun.xml.internal.ws.transport.http.server.WSHttpHandler" file="WSHttpHandler.java" line="95" method="handleExchange" />
<ns2:frame class="com.sun.xml.internal.ws.transport.http.server.WSHttpHandler" file="WSHttpHandler.java" line="80" method="handle" />
<ns2:frame class="com.sun.net.httpserver.Filter$Chain" file="Filter.java" line="65" method="doFilter" />
<ns2:frame class="sun.net.httpserver.AuthFilter" file="AuthFilter.java" line="65" method="doFilter" />
<ns2:frame class="com.sun.net.httpserver.Filter$Chain" file="Filter.java" line="68" method="doFilter" />
<ns2:frame class="sun.net.httpserver.ServerImpl$Exchange$LinkHandler" file="ServerImpl.java" line="555" method="handle" />
<ns2:frame class="com.sun.net.httpserver.Filter$Chain" file="Filter.java" line="65" method="doFilter" />
<ns2:frame class="sun.net.httpserver.ServerImpl$Exchange" file="ServerImpl.java" line="527" method="run" />
<ns2:frame class="java.util.concurrent.ThreadPoolExecutor$Worker" file="ThreadPoolExecutor.java" line="886" method="runTask" />
<ns2:frame class="java.util.concurrent.ThreadPoolExecutor$Worker" file="ThreadPoolExecutor.java" line="908" method="run" />
<ns2:frame class="java.lang.Thread" file="Thread.java" line="662" method="run" />
</ns2:stackTrace>
</ns2:exception>
</detail>
</S:Fault>
</S:Body>
</S:Envelope>
测试类：
@Test
public void test1() throws Exception{
String namespace = "http://ws01.yzl.com/";
String wsdlUrl = "http://localhost:8080/ws?wsdl"; //1、创建服务(Service)
URL url = new URL(wsdlUrl);
QName qname = new QName(namespace,"MyServiceImplService");
Service service = Service.create(url, qname); //2、创建Dispatch
//public interface Dispatch<T>extends BindingProviderDispatch 接口提供对动态调用服务端点操作的支持。javax.xml.ws.Service 接口作为创建 Dispatch 实例的工厂。
Dispatch<SOAPMessage> dispatch = service.createDispatch(new QName(namespace,"MyServiceImplPort"), SOAPMessage.class, Service.Mode.MESSAGE); //3、创建SOAPMessage
MessageFactory factory = MessageFactory.newInstance();
SOAPMessage message = factory.createMessage();
SOAPPart part = message.getSOAPPart();
SOAPEnvelope envelope = part.getEnvelope();
SOAPBody body = envelope.getBody();
QName portQname = new QName(namespace,
"testException","ns");
body.addBodyElement(portQname); //4、通过Dispatch传递消息,并返回响应消息
SOAPMessage returnMessage = dispatch.invoke(message);
returnMessage.writeTo(System.out);//打印返回消息
System.out.println();
}
结果：
javax.xml.ws.soap.SOAPFaultException: test exception
at com.sun.xml.internal.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:178)
at com.sun.xml.internal.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:111)
at com.sun.xml.internal.ws.client.dispatch.DispatchImpl.doInvoke(DispatchImpl.java:176)
at com.sun.xml.internal.ws.client.dispatch.DispatchImpl.invoke(DispatchImpl.java:195)
at com.ws02.TestWsException.test1(TestWsException.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: com.ws01.MyException: test exception
at com.ws01.IServiceImp.testException(IServiceImp.java:10)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.xml.internal.ws.api.server.InstanceResolver$1.invoke(InstanceResolver.java:235)
at com.sun.xml.internal.ws.server.InvokerTube$2.invoke(InvokerTube.java:135)
at com.sun.xml.internal.ws.server.sei.EndpointMethodHandler.invoke(EndpointMethodHandler.java:246)
at com.sun.xml.internal.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:82)
at com.sun.xml.internal.ws.api.pipe.Fiber.__doRun(Fiber.java:587)
at com.sun.xml.internal.ws.api.pipe.Fiber._doRun(Fiber.java:546)
at com.sun.xml.internal.ws.api.pipe.Fiber.doRun(Fiber.java:531)
at com.sun.xml.internal.ws.api.pipe.Fiber.runSync(Fiber.java:428)
at com.sun.xml.internal.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:232)
at com.sun.xml.internal.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:460)
at com.sun.xml.internal.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:233)
at com.sun.xml.internal.ws.transport.http.server.WSHttpHandler.handleExchange(WSHttpHandler.java:95)
at com.sun.xml.internal.ws.transport.http.server.WSHttpHandler.handle(WSHttpHandler.java:80)
at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:65)
at sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:65)
at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:68)
at sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:555)
at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:65)
at sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:527)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
客户端抛出了SOAPFaultException异常，服务端没抛出异常
如果修改服务端的代码
throw new MyException("test exception");
修改为：
throw new RuntimeException("service runtime Exception");
那么客户端和服务端都将抛出异常，因为服务端并未将runtimeException异常抛给客户端。
抛出的异常客户端可以通过捕获SOAPFaultException来获取服务端的错误
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