Arina He has create an XSLT migration script from Drools 2.x to Drools 4.x. He has uploaded the script with instructions to the wiki:
http://wiki.jboss.org/wiki/Wiki.jsp?page=Drools2MigrationIf anyone uses this, please give us feedback on your success or failures :)

Drools 2.x Migration Script
java.lang.NullPointerException
ReplyDeleteat util.FileUtil.mkdirs(FileUtil.java:330)
at util.FileUtil.write(FileUtil.java:167)
at util.FileUtil.write(FileUtil.java:130)
at convert.XMLConverter.convertSingleFile(XMLConverter.java:38)
at convert.Converter.scanFiles(Converter.java:69)
at convert.Converter.convert(Converter.java:58)
at Launcher.main(Launcher.java:28)