y : i want to know whether is there any attribute in schema.xml to avoid : the duplications?
you need to explain your problem better ... "duplications" can mean differnet things to different people. (duplicate documents? duplicates terms in a field? etc...) please provide a detailed description of your *real* goal and the *speciifcs* of the problems you are encountering... https://wiki.apache.org/solr/UsingMailingLists -Hoss
