**while running solr 4.10.3 solr\examples i ran following command on cmd java -jar start.jar
after this when i go on http://localhost:8983/ i got this error Error 404 - Not Found. No context on this server matched or handled this request. Contexts known to this server are: /solr ---> o.e.j.w.WebAppContext{/solr,null},D:\solr-4.10.3\exampleD:/solr-4.10.3/example/webapps/solr.war