I see different combinations of Nutch and Solr versions being used by people posting about this subject on the web. Which are the latest stable (non beta) and compatible ver
You can use Nutch 2.1 or Nutch 1.6. If you want to use HBase, have to use Nutch 2.x. Because nutch 1.6 not support Hbase. I use nutch 2.1, HBase 0.90.x or 0.94.5 , and Solr 4.3.0.
There are major changes between the two Solr versions (Solr 3.x and Solr 4.x). You must choose one of them according to your requirement. Ex: Solr4 support cloud
better.