java - Axis2 Web 服务和 Eclipse WSDL 创作 : Adding an axis fault to wsdl causes exception when running wsdl2java

Question

我正在尝试使用 Apache Axis2 1.4.1 创建契约优先的 Web 服务。因为 Eclipse 有一个看起来非常完整的 wsdl 编辑器，所以我开始使用 Eclipse 的编辑器自动运行我的 wsdl。一切都很好，我可以使用 wsdl2java 生成 Java 类，Web 服务在部署时工作。但是，向 Web 服务添加异常或错误会导致出现错误，指出 Element QName 对于 Fault 为 null。有谁知道这可能是什么原因？检查 wsdl 也没有给我任何直接的答案。似乎错误/异常的定义与其他元素一样。

这是命令和堆栈跟踪:

>d:\axis2-1.4.1\bin\wsdl2java.bat -o src-test -ss -uri JavaIntegrationModule.wsdl
Using AXIS2_HOME:   D:\axis2-1.4.1
Using JAVA_HOME:    D:\Java\jdk1.5.0_14
Retrieving document at 'JavaIntegrationModule.wsdl'.
[INFO] The src-test\src\org\example\www\javaintegrationmodule\JavaIntegrationModuleSkeleton.java file cannot be overwritten.
[INFO] The src-test\src\org\example\www\javaintegrationmodule\JavaIntegrationModuleMessageReceiverInOut.java file cannot be overwritten.
D:\>d:\axis2-1.4.1\bin\wsdl2java.bat -o src-test -ss -uri JavaIntegrationModule.wsdl
Using AXIS2_HOME:   D:\axis2-1.4.1
Using JAVA_HOME:    D:\Java\jdk1.5.0_14
Retrieving document at 'JavaIntegrationModule.wsdl'.
D:\>d:\axis2-1.4.1\bin\wsdl2java.bat -o src-test -ss -uri JavaIntegrationModule.wsdl
Using AXIS2_HOME:   D:\axis2-1.4.1
Using JAVA_HOME:    D:\Java\jdk1.5.0_14
Retrieving document at 'JavaIntegrationModule.wsdl'.
Exception in thread "main" org.apache.axis2.wsdl.codegen.CodeGenerationException: org.apache.axis2.wsdl.codegen.CodeGenerationException: jav
a.lang.RuntimeException: Element QName is null for getSolutionByIdFault!
        at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:271)
        at org.apache.axis2.wsdl.WSDL2Code.main(WSDL2Code.java:35)
        at org.apache.axis2.wsdl.WSDL2Java.main(WSDL2Java.java:24)
Caused by: org.apache.axis2.wsdl.codegen.CodeGenerationException: java.lang.RuntimeException: Element QName is null for getSolutionByIdFault
!
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.emitSkeleton(AxisServiceBasedMultiLanguageEmitter.java
:1370)
        at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:253)
        ... 2 more
Caused by: java.lang.RuntimeException: Element QName is null for getSolutionByIdFault!
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.getFaultParamElements(AxisServiceBasedMultiLanguageEmi
tter.java:2829)
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.getFaultElement(AxisServiceBasedMultiLanguageEmitter.j
ava:2748)
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.generateMethodElement(AxisServiceBasedMultiLanguageEmi
tter.java:2269)
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.loadOperations(AxisServiceBasedMultiLanguageEmitter.ja
va:2151)
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.createDOMDocumentForSkeleton(AxisServiceBasedMultiLang
uageEmitter.java:2065)
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.writeSkeleton(AxisServiceBasedMultiLanguageEmitter.jav
a:1991)
        at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.emitSkeleton(AxisServiceBasedMultiLanguageEmitter.java
:1327)
        ... 3 more

和 WSDL 文件:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://www.example.org/JavaIntegrationModule/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="JavaIntegrationModule" targetNamespace="http://www.example.org/JavaIntegrationModule/">
  <wsdl:types>
    <xsd:schema targetNamespace="http://www.example.org/JavaIntegrationModule/">
      <xsd:element name="getSolutionById">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="in" type="xsd:string"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="getSolutionByIdResponse">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="out" type="xsd:string"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="getSolutionByIdFault">
       <xsd:complexType>
        <xsd:sequence>

         <xsd:element name="getSolutionByIdFault"
          type="xsd:string">
         </xsd:element>
        </xsd:sequence>
       </xsd:complexType>
      </xsd:element>
    </xsd:schema>
  </wsdl:types>
  <wsdl:message name="getSolutionByIdRequest">
    <wsdl:part element="tns:getSolutionById" name="parameters"/>
  </wsdl:message>
  <wsdl:message name="getSolutionByIdResponse">
    <wsdl:part element="tns:getSolutionByIdResponse" name="parameters"/>
  </wsdl:message>
  <wsdl:message name="getSolutionByIdFault">
   <wsdl:part name="parameters" element="tns:getSolutionByIdFault"></wsdl:part>
  </wsdl:message>
  <wsdl:portType name="JavaIntegrationModule">
    <wsdl:operation name="getSolutionById">
      <wsdl:input message="tns:getSolutionByIdRequest"/>
      <wsdl:output message="tns:getSolutionByIdResponse"/>
            <wsdl:fault name="fault" message="tns:getSolutionByIdFault"></wsdl:fault>
        </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="JavaIntegrationModuleSOAP" type="tns:JavaIntegrationModule">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
    <wsdl:operation name="getSolutionById">
      <soap:operation soapAction="http://www.example.org/JavaIntegrationModule/getSolutionById"/>
      <wsdl:input>
        <soap:body use="literal"/>
      </wsdl:input>
      <wsdl:output>
        <soap:body use="literal"/>
      </wsdl:output>
    </wsdl:operation>
  </wsdl:binding>
  <wsdl:service name="JavaIntegrationModule">
    <wsdl:port binding="tns:JavaIntegrationModuleSOAP" name="JavaIntegrationModuleSOAP">
      <soap:address location="http://www.example.org/"/>
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>

Answer 1

我想我现在已经自己解决了这个问题。似乎出于某种原因，eclipse WSDL 编辑器没有将错误添加到 WSDL 的绑定(bind)部分。

所以当我添加:

<wsdl:fault name="fault">
  <soap:fault use="literal" name="fault" />
</wsdl:fault>

对于绑定(bind)，它编译得很好。

现在完整的 wsdl 是:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://www.example.org/JavaIntegrationModule/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="JavaIntegrationModule" targetNamespace="http://www.example.org/JavaIntegrationModule/">
  <wsdl:types>
    <xsd:schema targetNamespace="http://www.example.org/JavaIntegrationModule/">
      <xsd:element name="getSolutionById">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="in" type="xsd:string"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="getSolutionByIdResponse">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="out" type="xsd:string"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="getSolutionByIdFault">
       <xsd:complexType>
        <xsd:sequence>

         <xsd:element name="getSolutionByIdFault"
          type="xsd:string">
         </xsd:element>
        </xsd:sequence>
       </xsd:complexType>
      </xsd:element>

    </xsd:schema>
  </wsdl:types>
  <wsdl:message name="getSolutionByIdRequest">
    <wsdl:part element="tns:getSolutionById" name="parameters"/>
  </wsdl:message>
  <wsdl:message name="getSolutionByIdResponse">
    <wsdl:part element="tns:getSolutionByIdResponse" name="parameters"/>
  </wsdl:message>

  <wsdl:message name="getSolutionByIdFault">
   <wsdl:part name="parameters" element="tns:getSolutionByIdFault"></wsdl:part>
  </wsdl:message>
  <wsdl:portType name="JavaIntegrationModule">
    <wsdl:operation name="getSolutionById">
      <wsdl:input message="tns:getSolutionByIdRequest"/>
      <wsdl:output message="tns:getSolutionByIdResponse"/>

            <wsdl:fault name="fault" message="tns:getSolutionByIdFault"></wsdl:fault>
        </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="JavaIntegrationModuleSOAP" type="tns:JavaIntegrationModule">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
    <wsdl:operation name="getSolutionById">
      <soap:operation soapAction="http://www.example.org/JavaIntegrationModule/getSolutionById"/>
      <wsdl:input>
        <soap:body use="literal"/>
      </wsdl:input>
      <wsdl:output>
        <soap:body use="literal"/>
      </wsdl:output>
      <wsdl:fault name="fault">
        <soap:fault use="literal" name="fault" />
      </wsdl:fault>
    </wsdl:operation>
  </wsdl:binding>
  <wsdl:service name="JavaIntegrationModule">
    <wsdl:port binding="tns:JavaIntegrationModuleSOAP" name="JavaIntegrationModuleSOAP">
      <soap:address location="http://www.example.org/"/>
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>