Failed to run engine-debugger.bat

I failed to run engine-debugger following the instruction from
https://opengamma-docs.atlassian.net/wiki/pages/viewpage.action?pageId=525576,
The exception is
"D:\java\jdk1.7.0_67\bin\java" -Xms512m -Xmx1024m -XX:MaxPermSize=256M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+CMSIncrementalPacing -cp “D:\OpenGamma\OG-Platform\examples\examples-simulated\target\server-dir\scripts…\config;D:\OpenGamma\OG-Platform\examples\examples-simulated\target\server-dir\scripts…\lib\examples-simulated-2.1.0.jar;” com.opengamma.integration.tool.enginedebugger.EngineDebugger -c http://localhost:8080/jax -l com/opengamma/util/warn-logback.xml
Exception in thread “main” java.lang.NoClassDefFoundError: org/jdesktop/swingx/treetable/TreeTableModel
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2570)
at java.lang.Class.getMethod0(Class.java:2813)
at java.lang.Class.getMethod(Class.java:1663)
at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: org.jdesktop.swingx.treetable.TreeTableModel
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
… 6 more
Do I need to add the dependency to pom.xl for jdesktop manually?
I am new to maven , if possible would you please give me the instrcutions.

Thanks a lot.