POM is
http://download.java.net/maven/2 repository is gone
New updates, New way to add geotools dependency in your project, copy below xml file in your build.xml
UTF-8
19-SNAPSHOT
com.opencsv
opencsv
3.3
org.geotools
gt-shapefile
${geotools.version}
junit
junit
4.11
test
org.geotools
gt-swing
${geotools.version}
osgeo
Open Source Geospatial Foundation Repository
http://download.osgeo.org/webdav/geotools/
true
boundless
Boundless Maven Repository
http://repo.boundlessgeo.com/main
It works