jaxb2用来将schema转换为java代码，selenium是GUI自动化测试的lib。由于项目中需要同时支持这两个feature，所以一同配置在pom中：

<dependencies>​ 
  <dependency> 
    <groupId>org.seleniumhq.selenium</groupId>  
    <artifactId>selenium-java</artifactId>  
    <version>2.48.2</version> 
  </dependency> 
</dependencies>
<build> 
  <plugins> 
    <plugin> 
      <groupId>org.codehaus.mojo</groupId>  
      <artifactId>jaxb2-maven-plugin</artifactId>  
      <version>1.5</version>
      <executions> 
        <execution> 
          <id>inbound-common-v12-xjc</id>  
          <goals> 
            <goal>xjc</goal> 
          </goals>  
          <configuration> 
            <outputDirectory>target/generated-sources</outputDirectory>  
            <packageName>com.xxx.data.v12.common</packageName>  
            <bindingDirectory>src/main/resources</bindingDirectory>  
            <bindingFiles>bindings.xml</bindingFiles>  
            <schemaDirectory>src/main/resources/xsd/ASP1.2</schemaDirectory>  
            <schemaFiles>Inbound_Common.xsd,Inbound_FailureResponse.xsd, Inbound_OperationalHistory.xsd, Inbound_TotalResponse.xsd</schemaFiles>  
            <extension>true</extension>  
            <staleFile>target/.inboundcommonschema1XjcStaleFlag</staleFile>  
            <clearOutputDir>false</clearOutputDir>  
            <encoding>UTF-8</encoding> 
          </configuration> 
        </execution> 
      </executions> 
    </plugin> 
  </plugins> 
</build>

结果执行mvn clean install时报错：

[ERROR]
Failed to execute goal org.codehaus.mojo:jaxb2-maven-plugin:1.5:xjc
(inbound-user-creation-v12-xjc) on project jcat-test-common: DTD factory class
org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from
DTDDVFactory. -> [Help 1]

定位：

从报错看，是在执行jaxb时使用了错误的xerce包，由于项目先加入jaxb2，然后是selenium，所以应该是selenium引入的冲突。为了验证想法，使用mvn dependency:tree查看selenium的依赖库：

[INFO] +- org.seleniumhq.selenium:selenium-java:jar:2.46.0:compile
[INFO] |  +- org.seleniumhq.selenium:selenium-chrome-driver:jar:2.46.0:compile
[INFO] |  |  \- org.seleniumhq.selenium:selenium-remote-driver:jar:2.46.0:compile
[INFO] |  |     +- cglib:cglib-nodep:jar:2.1_3:compile
[INFO] |  |     +- com.google.code.gson:gson:jar:2.3.1:compile
[INFO] |  |     +- org.seleniumhq.selenium:selenium-api:jar:2.46.0:compile
[INFO] |  |     \- com.google.guava:guava:jar:18.0:compile
[INFO] |  +- org.seleniumhq.selenium:selenium-htmlunit-driver:jar:2.46.0:compile
[INFO] |  |  \- net.sourceforge.htmlunit:htmlunit:jar:2.17:compile
[INFO] |  |     +- xalan:xalan:jar:2.7.2:compile
[INFO] |  |     |  \- xalan:serializer:jar:2.7.2:compile
[INFO] |  |     +- org.apache.httpcomponents:httpmime:jar:4.4.1:compile
[INFO] |  |     +- net.sourceforge.htmlunit:htmlunit-core-js:jar:2.17:compile
[INFO] |  |     +- xerces:xercesImpl:jar:2.11.0:compile

解决：

在jaxb2 plugin中添加dependence：

<plugin>
... 
  <dependencies> 
    <dependency> 
      <groupId>xerces</groupId>  
      <artifactId>xercesImpl</artifactId>  
      <version>2.9.1</version> 
    </dependency>  
    <dependency> 
      <groupId>xalan</groupId>  
      <artifactId>xalan</artifactId>  
      <version>2.7.2</version> 
    </dependency> 
  </dependencies> 
</plugin>

再次执行mvn clean install，搞定！