我正在开发一个需要Xerces 2.11.0的项目，它作为Maven依赖项包含在我的项目中 . 但是，我的JRE（版本2.7.1）中还包含一个Xerces版本 . 运行我的代码时，我得到以下异常 . 我相信（根据this）我'm having trouble because of the multiple versions of Xerces. I'已经阅读了Xerces Hell in Java/Maven上的线程但是它似乎没有解决其他版本的Xerces来自JRE本身的问题 . 有什么建议？

Exception Trace:
    java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.apache.xerces.jaxp.DocumentBuilderImpl.newDocument(Unknown Source)
        at org.apache.xalan.transformer.TransformerIdentityImpl.createResultContentHandler(TransformerIdentityImpl.java:230)
        at org.apache.xalan.transformer.TransformerIdentityImpl.setDocumentLocator(TransformerIdentityImpl.java:881)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.DomLoader$State.<init>(DomLoader.java:67)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.DomLoader.startElement(DomLoader.java:103)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.ProxyLoader.startElement(ProxyLoader.java:45)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:559)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:538)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.InterningXmlVisitor.startElement(InterningXmlVisitor.java:60)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:231)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:165)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:400)
        at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:371)
        at com.sun.xml.internal.ws.message.stream.StreamMessage.readPayloadAsJAXB(StreamMessage.java:313)
        at com.sun.xml.internal.ws.api.message.MessageWrapper.readPayloadAsJAXB(MessageWrapper.java:171)
        at com.sun.xml.internal.ws.fault.SOAPFaultBuilder.create(SOAPFaultBuilder.java:540)
        at com.sun.xml.internal.ws.client.sei.StubHandler.readResponse(StubHandler.java:237)
        at com.sun.xml.internal.ws.db.DatabindingImpl.deserializeResponse(DatabindingImpl.java:189)
        at com.sun.xml.internal.ws.db.DatabindingImpl.deserializeResponse(DatabindingImpl.java:276)
        at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:104)
        at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:77)
        at com.sun.xml.internal.ws.client.sei.SEIStub.invoke(SEIStub.java:147)
        at com.sun.proxy.$Proxy54.processVoid(Unknown Source)
        at com.shipping.ups.UPSShippingProvider.voidShipment(UPSShippingProvider.java:378)

Caused by: java.lang.ClassNotFoundException: org.w3c.dom.ElementTraversal
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 75 more

**编辑Maven Shade

<plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>2.4.3</version>
            <configuration>
              <filters>
                <filter>
                    <artifact>xerces:xercesImpl</artifact>
                    <excludes>
                        <exclude>META-INF/services/**</exclude>
                    </excludes>
                </filter>
              </filters>
            </configuration>
            <executions>
              <execution>
                <phase>package</phase>
                <goals>
                  <goal>shade</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
    </plugins>
java maven xerces