hope this fix your issue From commons-io website. the latest release is 2.0.1. 1.3.2 is pretty old. Given this information, the repository in http://repo2.maven.org/maven2/commons-io/ holds the latest releases and is the right one to use. This related mail thread makes interesting reading.
ProGuard: Warning: org.apache.commons.beanutils.BeanMap$2: can't find superclass or interface org.apache.commons.collect
this one helps. You don't add the *-javadoc.jar and the *-sources.jar to the classpath, and you likely don't need *-tests.jar. Just add commons-lang3-3.1.jar to the classpath. Then, on the "Libraries" tab, click on the expand triangle.