: I got the answer,apache-solr-4.0.0-BETA.tgz is OK, I used the : apache-solr-4.0.0-BETA.zip before
That still doesn't really explain the problem you were seeing -- i just checked both the tgz and zip artifacts for 4.0-BETA and confirmed that the results of your example URL are correct & identical (as is hte solr.war files) in both cases hossman@frisbee:~/tmp/solr-4.0-BETA$ md5sum */apache-solr-4.0.0-BETA/example/webapps/solr.war 2a1b6aaf690da53e9fc7692002e99210 bin-tgz/apache-solr-4.0.0-BETA/example/webapps/solr.war 2a1b6aaf690da53e9fc7692002e99210 bin-zip/apache-solr-4.0.0-BETA/example/webapps/solr.war -Hoss