Java 如何使用Jackson xml解析器,我有一个错误

Java 如何使用Jackson xml解析器,我有一个错误,java,android,xml,Java,Android,Xml,我如何使用Jackson: public class XmlJacksonParser { URL url; public void test() throws IOException { try { url = new URL("https://www.onliner.by/feed"); } catch (MalformedURLException e) { e.printStackT

我如何使用Jackson:

    public class XmlJacksonParser {

    URL url;
    public void test() throws IOException {
        try {
            url  = new URL("https://www.onliner.by/feed");
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        JacksonXmlModule module = new JacksonXmlModule();
        module.setDefaultUseWrapper(false);
        XmlMapper xmlMapper = new XmlMapper(module);

        OpenCredentials openCredentials = xmlMapper.readValue(url, OpenCredentials.class);
        xmlMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

        Log.e("LogTas", "getItemsSize: " + openCredentials.getCredentials().toString());
        System.out.println(openCredentials);
    }
    @JacksonXmlRootElement(localName = "channel")
    class OpenCredentials {

        @JacksonXmlProperty(localName = "item")
        @JacksonXmlElementWrapper(useWrapping = false)
        private Credentials[] credentials;

        public Credentials[] getCredentials() {
            return credentials;
        }

        public void setCredentials(Credentials[] credentials) {
            this.credentials = credentials;
        }

        //getters, setters, toString
    }


    class Credentials {

        @JacksonXmlProperty(isAttribute = true)
        private String priv;

        @JacksonXmlProperty(isAttribute = true)
        private String type;

        private String user;

        @JacksonXmlProperty(localName = "title")
        private String clientToken;

        @JacksonXmlProperty(localName = "description")
        private String clientSecret;

    }
}
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 XmlJacksonParser s = new XmlJacksonParser();
    try {
        s.test();
    } catch (IOException e) {
        e.printStackTrace();
    }
edu.usf.cutr.javax.xml.stream.FactoryConfigurationError:找不到提供程序com.bea.xml.stream.MXParserFactory 位于edu.usf.cutr.javax.xml.stream.FactoryFinder.newInstance(FactoryFinder.java:72) 位于edu.usf.cutr.javax.xml.stream.FactoryFinder.find(FactoryFinder.java:176) 位于edu.usf.cutr.javax.xml.stream.FactoryFinder.find(FactoryFinder.java:92) 位于edu.usf.cutr.javax.xml.stream.XMLInputFactory.newInstance(XMLInputFactory.java:136) 位于com.fasterxml.jackson.dataformat.xml.XmlFactory.(XmlFactory.java:97) 位于com.fasterxml.jackson.dataformat.xml.XmlFactory.(XmlFactory.java:85) 位于com.fasterxml.jackson.dataformat.xml.XmlFactory.(XmlFactory.java:82) 位于com.fasterxml.jackson.dataformat.xml.XmlMapper。(XmlMapper.java:46) 位于com.example.onexeor.rssreader.XmlJacksonParser.qweqwe(XmlJacksonParser.java:29) 位于com.example.onexeor.rssreader.MainReader.onCreate(MainReader.java:74) 位于android.app.Activity.performCreate(Activity.java:5977) 位于android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1111) 在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2415)上 位于android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2524) 在android.app.ActivityThread.access$800(ActivityThread.java:167) 在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1419)上 位于android.os.Handler.dispatchMessage(Handler.java:111) 位于android.os.Looper.loop(Looper.java:194) 位于android.app.ActivityThread.main(ActivityThread.java:5546) 位于java.lang.reflect.Method.invoke(本机方法) 位于java.lang.reflect.Method.invoke(Method.java:372) 在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:964)上 位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:759)

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    compile 'com.fasterxml.jackson.core:jackson-core:2.1.2'
compile 'com.fasterxml.jackson.core:jackson-annotations:2.1.2'
compile 'com.fasterxml.jackson.core:jackson-databind:2.1.2'
// Repackaged XML-specific libraries
compile 'edu.usf.cutr.android.xml:jackson-dataformat-xml-android:2.1.2'
compile 'edu.usf.cutr.android.xml:stax2-api-android:3.1.1'
compile 'edu.usf.cutr.android.xml:stax-api-android:1.0-2'
compile 'edu.usf.cutr.android.xml:aalto-xml-android:0.9.8'

显示build.gradle中的依赖项我也遇到了相同的错误,但无法修复,并决定在Android中不使用Jackson XML解析。有一些步骤可以解决这个问题,你可以尝试-我做了,但没有工作,现在我使用了一个改装