本文介绍了JAXB unmarshalling返回'URI不是绝对'错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我收到了来自webservice的以下回复，并使用以下代码来解组响应，但它返回以下错误。
I received following response from webservice, and am using following code to unmarshal the response, but it returns following error.
SEVERE: java.lang.IllegalArgumentException: URI is not absolute
响应
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:xsi="http://www.w3.org
/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body>
<SearchFlightsResponse xmlns="ElsyArres.API">
<SoapMessage>
<Username>TEST</Username>
<Password>TESTs</Password>
<LanguageCode>EN</LanguageCode>
<ErrorMessage />
<ErrorCode>0</ErrorCode>
<AppVersion>8.0.3</AppVersion>
<Request>
<Departure>FDH</Departure>
<Destination>HAM</Destination>
<DepartureDate>2014-08-08</DepartureDate>
<ReturnDate />
<NumADT>1</NumADT>
<NumINF>0</NumINF>
<NumCHD>0</NumCHD>
<CurrencyCode>EUR</CurrencyCode>
<CarrierList />
<FareClasses />
<Providers />
<WaitForResult>true</WaitForResult>
<NearbyDepartures>true</NearbyDepartures>
<NearbyDestinations>true</NearbyDestinations>
<RROnly>false</RROnly>
<MetaSearch>true</MetaSearch>
</Request>
<Response>
<SearchFlightId>140514114543-02-43064-52</SearchFlightId>
<Roundtrip>false</Roundtrip>
<CurrencyCode>EUR</CurrencyCode>
<Flights>
<Flight>
<Outbound>
<CarName>Inter Sky</CarName>
<CarCode>3L</CarCode>
<DepName>Friedrichshafen</DepName>
<DepCode>FDH</DepCode>
<DestName>Hamburg</DestName>
<DestCode>HAM</DestCode>
<Duration>01:45</Duration>
<FlightNo>3L370</FlightNo>
<DepDateTime>2014-08-08T06:10:00</DepDateTime>
<ArrDateTime>2014-08-08T07:55:00</ArrDateTime>
<Legs>
<Leg>
<Sequence>0</Sequence>
<FlightNo>3L370</FlightNo>
<DepCode>FDH</DepCode>
<DepName>Friedrichshafen</DepName>
<DestCode>HAM</DestCode>
<DestName>Hamburg</DestName>
<DepTime>06:10</DepTime>
<ArrTime>07:55</ArrTime>
<CarCode>3L</CarCode>
<CarName>Inter Sky</CarName>
<FareClass>Economy</FareClass>
<ArrDateTime>2014-08-08T07:55:00</ArrDateTime>
<DepDateTime>2014-08-08T06:10:00</DepDateTime>
</Leg>
</Legs>
<Taxes>0</Taxes>
<FareADT>6500</FareADT>
<FareCHD>0</FareCHD>
<FareINF>0</FareINF>
<MiscFees>6400</MiscFees>
<Idx>307963</Idx>
<FareClass>Economy</FareClass>
<FareType>Web</FareType>
<FareId>3L0</FareId>
</Outbound>
<BagFee>0</BagFee>
<CcFee>600</CcFee>
<HandlingFee>500</HandlingFee>
<TotalFare>12900</TotalFare>
<FlightId>140514114543-02-21212-2</FlightId>
<Link2Book>http://sample.com</Link2Book>
<Provider>ElsyArres</Provider>
</Flight>
<Flight>
<Outbound>
<CarName>Inter Sky</CarName>
<CarCode>3L</CarCode>
<DepName>Friedrichshafen</DepName>
<DepCode>FDH</DepCode>
<DestName>Hamburg</DestName>
<DestCode>HAM</DestCode>
<Duration>01:45</Duration>
<FlightNo>3L376</FlightNo>
<DepDateTime>2014-08-08T18:00:00</DepDateTime>
<ArrDateTime>2014-08-08T19:45:00</ArrDateTime>
<Legs>
<Leg>
<Sequence>0</Sequence>
<FlightNo>3L376</FlightNo>
<DepCode>FDH</DepCode>
<DepName>Friedrichshafen</DepName>
<DestCode>HAM</DestCode>
<DestName>Hamburg</DestName>
<DepTime>18:00</DepTime>
<ArrTime>19:45</ArrTime>
<CarCode>3L</CarCode>
<CarName>Inter Sky</CarName>
<FareClass>Economy</FareClass>
<ArrDateTime>2014-08-08T19:45:00</ArrDateTime>
<DepDateTime>2014-08-08T18:00:00</DepDateTime>
</Leg>
</Legs>
<Taxes>0</Taxes>
<FareADT>10500</FareADT>
<FareCHD>0</FareCHD>
<FareINF>0</FareINF>
<MiscFees>6400</MiscFees>
<Idx>307964</Idx>
<FareClass>Economy</FareClass>
<FareType>Web</FareType>
<FareId>3L0</FareId>
</Outbound>
<BagFee>0</BagFee>
<CcFee>600</CcFee>
<HandlingFee>500</HandlingFee>
<TotalFare>16900</TotalFare>
<FlightId>140514114543-02-21212-3</FlightId>
<Link2Book>http://sample.com</Link2Book>
<Provider>ElsyArres</Provider>
</Flight>
</Flights>
</Response>
</SoapMessage>
</SearchFlightsResponse>
</soap:Body>
</soap:Envelope>
package-info.java
@XmlSchema(
namespace = "http://testv80.elsyarres.net/service.asmx",
elementFormDefault = XmlNsForm.QUALIFIED)
package com.myProject.wegolo
import javax.xml.bind.annotation.XmlNsForm;
import javax.xml.bind.annotation.XmlSchema;
代码
...
SOAPMessage sm = response;
ByteArrayOutputStream out = new ByteArrayOutputStream();
sm.writeTo(out);
this.results = (SearchFlightsResponse) JAXB.unmarshal(sm.toString(), SearchFlightsResponse.class);
推荐答案
以下行是造成问题的原因：
The following line is what's causing you the problem:
JAXB.unmarshal(sm.toString(), SearchFlightsResponse.class);
sm.toString（）的结果将类似于以下内容，而不是XML的 String 表示。
The result of sm.toString() is going to be something like the following and not a String representation of the XML.
com.sun.xml.internal.messaging.saaj.soap.ver1_2.Message1_2Impl@693f23a2
您现在正在做的事情相当于执行以下操作：
What you are doing now is the equivalent of doing the following:
import javax.xml.bind.JAXB;
public class Demo {
public static void main(String[] args) throws Exception {
JAXB.unmarshal("com.sun.xml.internal.messaging.saaj.soap.ver1_2.Message1_2Impl@693f23a2", Foo.class);
}
}
这将返回以下异常：
Exception in thread "main" java.lang.IllegalArgumentException: URI is not absolute
at java.net.URI.toURL(URI.java:1095)
at javax.xml.bind.JAXB.toSource(JAXB.java:291)
at javax.xml.bind.JAXB.unmarshal(JAXB.java:205)
at forum23652823.Demo.main(Demo.java:8)
注意
JAXB.unmarshal（String，Class）中的 method是XML的位置，而不是XML本身。这就是为什么异常抱怨URI。 String 参数
The String parameter in the JAXB.unmarshal(String, Class) method is the location of the XML, and not the XML itself. This is why the exception is complaining about a URI.
- http://docs.oracle.com/javase/7/docs/api/javax/xml/bind/JAXB.html#unmarshal%28java.lang.String,%20java.lang.Class%29
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