Reflections dependency breaks selenium-java dependency

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What steps will reproduce the problem?

1. Start with an empty Maven project
2. Add selenium-java dependency

<dependency>
  <groupId>org.seleniumhq.selenium</groupId>
  <artifactId>selenium-java</artifactId>
  <version>2.42.2</version>
</dependency>

3. Test it with simple main class:

public static void main(String[] args) {
    new FirefoxDriver();
}
}

4. It should run without errors and launch Firefox browser (providing you have 
one installed)

5. Then add reflections dependency after selenium:

<dependency>
   <groupId>org.reflections</groupId>
   <artifactId>reflections</artifactId>
   <version>0.9.9-RC2</version>
</dependency>

6. Now start again main class and there will be an error 
java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal

7. The same will happen if you swap both dependencies in the pom.xml

8. The reason I found is too old xml-apis dependency in the reflections 
artifact. The solution fixing it temporary was to insert a newer version of 
xml-apis  explicitly in the pom.xml to override the older one in the classpath. 
So only in the following configuration both selenium and reflections work 
together:

<dependency>
         <groupId>org.reflections</groupId>
         <artifactId>reflections</artifactId>
         <version>0.9.9-RC2</version>
</dependency>
<dependency>
    <groupId>xml-apis</groupId>
    <artifactId>xml-apis</artifactId>
    <version>1.4.01</version>
</dependency>
<dependency>
        <groupId>org.seleniumhq.selenium</groupId>
        <artifactId>selenium-java</artifactId>
        <version>2.42.2</version>
</dependency>

I think you should update the xml-apis dependency in org.reflections from 
current 1.0.b2 to 1.4.01, which is widely used by other artifacts.

What version of the product are you using? On what operating system?

org.reflections:reflections:0.9.9-RC2 on Windows 7 x64.

Original issue reported on code.google.com by klosi...@gmail.com on 14 Sep 2014 at 8:48