I have around 18 lack document(filesystems),I have searched on intrenet there are lack of article for filesystem, please suggest me, how to do it. which method i should be used dataimport handler or solrJ ?
Please have a look at sample data configuration file at http://wiki.apache.org/solr/DataImportHandler#FileListEntityProcessor
You need to use something like XPathEntityProcessor to define entities for indexing. Other entity processors, such as PlainTextEntityProcessor, can instead be used if you are not using XML files. Also, make sure that the field definitions in your schema.xml match the field names here.