Bug Report
https://bz.apache.org/bugzilla/show_bug.cgi?id=43292
Source Code
http://archive.apache.org/dist/ant/source/apache-ant-1.7.0-src.zip
EvoCrash Target Frame
2
java.lang.NullPointerException:
    at org.apache.tools.ant.types.mappers.FilterMapper.mapFileName(FilterMapper.java:74)
    at org.apache.tools.ant.util.CompositeMapper.mapFileName(CompositeMapper.java:38)

(Inheritance problem)