Web 服务错误 (google translate API) WSDL 错误 Java Eclip Axis2

【问题标题】：Web service Error (google translate API) WSDL error Java Eclipe Axis2Web 服务错误 (google translate API) WSDL 错误 Java Eclip Axis2
【发布时间】：2023-03-16 02:29:01
【问题描述】：

我正在开发一个使用 google translate api 将英语翻译成法语的网络服务的项目。我已经成功地创建了服务器。但是当我运行我的客户端时，我遇到了一个错误。我在项目中使用 Java、Eclipse、Axis2、Tomcat。 这是我的服务器代码：

package com.GTWS;
import com.gtranslate.Language;
import com.gtranslate.Translator;

public class GoogleTranslateClass {

    public String toFrench(String sentence){
        Translator translate = Translator.getInstance();
        String textF = translate.translate(sentence, Language.ENGLISH, Language.FRENCH);
        return textF;
    }


}

请注意，我为此目的使用了外部谷歌翻译 api jar。然后我创建 Web 服务并让它运行。 Eclipse 创建 WSDL 文件：

<?xml version="1.0" encoding="UTF-8"?>

-<wsdl:definitions targetNamespace="http://GTWS.com" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" xmlns:ns="http://GTWS.com" xmlns:ns1="http://org.apache.axis2/xsd" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">

<wsdl:documentation> Please Type your service description here </wsdl:documentation>


-<wsdl:types>


-<xs:schema targetNamespace="http://GTWS.com" elementFormDefault="qualified" attributeFormDefault="qualified">


-<xs:element name="toFrench">


-<xs:complexType>


-<xs:sequence>

<xs:element name="sentence" type="xs:string" nillable="true" minOccurs="0"/>

</xs:sequence>

</xs:complexType>

</xs:element>


-<xs:element name="toFrenchResponse">


-<xs:complexType>


-<xs:sequence>

<xs:element name="return" type="xs:string" nillable="true" minOccurs="0"/>

</xs:sequence>

</xs:complexType>

</xs:element>

</xs:schema>

</wsdl:types>


-<wsdl:message name="toFrenchRequest">

<wsdl:part name="parameters" element="ns:toFrench"/>

</wsdl:message>


-<wsdl:message name="toFrenchResponse">

<wsdl:part name="parameters" element="ns:toFrenchResponse"/>

</wsdl:message>


-<wsdl:portType name="GoogleTranslateClassPortType">


-<wsdl:operation name="toFrench">

<wsdl:input wsaw:Action="urn:toFrench" message="ns:toFrenchRequest"/>

<wsdl:output wsaw:Action="urn:toFrenchResponse" message="ns:toFrenchResponse"/>

</wsdl:operation>

</wsdl:portType>


-<wsdl:binding name="GoogleTranslateClassSoap11Binding" type="ns:GoogleTranslateClassPortType">

<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>


-<wsdl:operation name="toFrench">

<soap:operation style="document" soapAction="urn:toFrench"/>


-<wsdl:input>

<soap:body use="literal"/>

</wsdl:input>


-<wsdl:output>

<soap:body use="literal"/>

</wsdl:output>

</wsdl:operation>

</wsdl:binding>


-<wsdl:binding name="GoogleTranslateClassSoap12Binding" type="ns:GoogleTranslateClassPortType">

<soap12:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>


-<wsdl:operation name="toFrench">

<soap12:operation style="document" soapAction="urn:toFrench"/>


-<wsdl:input>

<soap12:body use="literal"/>

</wsdl:input>


-<wsdl:output>

<soap12:body use="literal"/>

</wsdl:output>

</wsdl:operation>

</wsdl:binding>


-<wsdl:binding name="GoogleTranslateClassHttpBinding" type="ns:GoogleTranslateClassPortType">

<http:binding verb="POST"/>


-<wsdl:operation name="toFrench">

<http:operation location="toFrench"/>


-<wsdl:input>

<mime:content type="application/xml" part="parameters"/>

</wsdl:input>


-<wsdl:output>

<mime:content type="application/xml" part="parameters"/>

</wsdl:output>

</wsdl:operation>

</wsdl:binding>


-<wsdl:service name="GoogleTranslateClass">


-<wsdl:port name="GoogleTranslateClassHttpSoap11Endpoint" binding="ns:GoogleTranslateClassSoap11Binding">

<soap:address location="http://localhost:8080/GoogleTranslateWebServer/services/GoogleTranslateClass.GoogleTranslateClassHttpSoap11Endpoint/"/>

</wsdl:port>


-<wsdl:port name="GoogleTranslateClassHttpSoap12Endpoint" binding="ns:GoogleTranslateClassSoap12Binding">

<soap12:address location="http://localhost:8080/GoogleTranslateWebServer/services/GoogleTranslateClass.GoogleTranslateClassHttpSoap12Endpoint/"/>

</wsdl:port>


-<wsdl:port name="GoogleTranslateClassHttpEndpoint" binding="ns:GoogleTranslateClassHttpBinding">

<http:address location="http://localhost:8080/GoogleTranslateWebServer/services/GoogleTranslateClass.GoogleTranslateClassHttpEndpoint/"/>

</wsdl:port>

</wsdl:service>

</wsdl:definitions>

然后我继续使用 Axis 在 Eclipse 上创建 Web 客户端并创建代理文件。我创建了一个代理类的对象，调用toFrench的方法如图：

package com.GTWS;
import java.rmi.RemoteException;

import com.GTWS.*;
public class GTtester {

    public static void main(String[] args) throws RemoteException {
        // TODO Auto-generated method stub
        GoogleTranslateClassPortTypeProxy gtp = new GoogleTranslateClassPortTypeProxy();
        System.out.println(gtp.toFrench("hi there"));

    }

}

后来我收到以下错误：

Jun 12, 2014 11:11:43 PM org.apache.axis.utils.JavaUtils isAttachmentSupported
WARNING: Unable to find required classes (javax.activation.DataHandler and javax.mail.internet.MimeMultipart). Attachment support is disabled.
Exception in thread "main" AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server
 faultSubcode: 
 faultString: com/gtranslate/Translator
 faultActor: 
 faultNode: 
 faultDetail: 
    {http://xml.apache.org/axis/}stackTrace:com/gtranslate/Translator
    at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:222)
    at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:129)
    at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1087)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:606)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1742)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2900)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:116)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:489)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:123)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1210)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:568)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:302)
    at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
    at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
    at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
    at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
    at org.apache.axis.client.Call.invoke(Call.java:2767)
    at org.apache.axis.client.Call.invoke(Call.java:2443)
    at org.apache.axis.client.Call.invoke(Call.java:2366)
    at org.apache.axis.client.Call.invoke(Call.java:1812)
    at com.GTWS.GoogleTranslateClassSoap11BindingStub.toFrench(GoogleTranslateClassSoap11BindingStub.java:108)
    at com.GTWS.GoogleTranslateClassPortTypeProxy.toFrench(GoogleTranslateClassPortTypeProxy.java:50)
    at com.GTWS.GTtester.main(GTtester.java:10)

    {http://xml.apache.org/axis/}hostname:Karan

com/gtranslate/Translator
    at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:222)
    at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:129)
    at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1087)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:606)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1742)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2900)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:116)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:489)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:123)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1210)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:568)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:302)
    at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
    at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
    at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
    at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
    at org.apache.axis.client.Call.invoke(Call.java:2767)
    at org.apache.axis.client.Call.invoke(Call.java:2443)
    at org.apache.axis.client.Call.invoke(Call.java:2366)
    at org.apache.axis.client.Call.invoke(Call.java:1812)
    at com.GTWS.GoogleTranslateClassSoap11BindingStub.toFrench(GoogleTranslateClassSoap11BindingStub.java:108)
    at com.GTWS.GoogleTranslateClassPortTypeProxy.toFrench(GoogleTranslateClassPortTypeProxy.java:50)
    at com.GTWS.GTtester.main(GTtester.java:10)

【问题讨论】：

    标签： java web-services wsdl axis2 google-translate


    【解决方案1】：

    您需要将 mail-1.4.jar 和 activation-1.1.jar 添加到您的类路径 (WEB-INF/lib)。由于您在 wsdl 文件中有 mime 类型。 

    WARNING: Unable to find required classes (javax.activation.DataHandler and javax.mail.internet.MimeMultipart). Attachment support is disabled.

    【讨论】：

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