Check http://www.mail-archive.com/[email protected]/msg04491.html
There is a problem with the PDFBox in nutch 0.7. It may hang. I D/L the 0.7.2 version from http://www.pdfbox.org/, replaced the jar file in the plug-in directory and updated the plugin.xml to refer to the new jar file. Seems to be running better. Not done running my test yet. -j.p.
