Yes exactly this is the reason, "the trees didn't let me see the forest", thanks for your perfect and fast response.
2011/9/20 Gora Mohanty <g...@mimirtech.com> > 2011/9/20 Héctor Trujillo <hecto...@gmail.com>: > [...] > > I created an index and I inserted about ten documents. I defined a filed > > named source, and I created many rows with the value “a” in this field, > and > > then I started to make queries, and then I took conscience that all the > > queries that asked for the value “a” always returned zero rows > [...] > > Take a look at your Solr schema in schema.xml, and stopwords.txt. > It is very likely that "a" is being removed as a stop word. > > Normally, one wants this behaviour, otherwise search results would > be cluttered with matches for simple words like "a", "an", "the", etc. > > Regards, > Gora >