Conversion error com.thoughtworks.xstream.converters.ConversionException with Java 8 Early Access Build
Updated to xstream 1.4.6 (from 1.4.4)
Bugzilla Id: 56080

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1562373 13f79535-47bb-0310-9956-ffa450edef68