also have one of the paths set to rt.jar
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.builder.StandardToStringStyle
I have downloaded and added all the JARs (ALL) dependencies (i.e. commons-lang + commons-logging) and added all of them to eclipse built-path-->Add External Archives..
But still in runtime...Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/lang/builder/StandardToStringStyle