should be using JavaSE-1.6 VM, and .classpath, codegen.targetPlatform, compliance and source should also all be 1.6;
making these changes requires the project to have custom compiler settings in order to continue to import XPathAPI
from its original location com.sun.org.apache.xpath.internal, which is still in JavaSE-1.6 rt.jar .
bin.includes = plugin.xml,\
META-INF/,\
components/,\
UIQComponentLibrary.jar,\
templates/,\
icons/,\
plugin.properties,\
data/
jars.compile.order = UIQComponentLibrary.jar
source.UIQComponentLibrary.jar = src/
output.UIQComponentLibrary.jar = bin/