Solr dataimport is reporting file not found when it looks for foo.xml. Where is it looking for /data? is this an url off the apache2/htdocs on the server, or is it an URL within example/solr/...?
<entity name="page" processor="XPathEntityProcessor" stream="true" forEach="/mediawiki/page/" url="/data/foo.xml" transformer="RegexTransformer,DateFormatTransformer" >