Hi I have 3 solr3.4.0 indexes i want to merge them, after searching on web i found that there are two ways to do it as
1. Using Lucene Merge tool. 2. Merging through core admin i am using the 1st method for this i have downloaded lucene 3.4.0 and unpack it and then run following command on command prompt java -cp d:/lucene/lucene-core-3.4.0.jar:./contrib/misc/lucene-misc-3.4.0.jarorg/apache/lucene/misc/IndexMergeTool ./newindex ./app1/solr/data/index ./app2/solr/data/indexbut unfortunately it gives me following exception Exception in thread "Main Thread" java.lang.NoClassDefFoundError: org/apache/lucene/misc/IndexMergeTool can any body guide me about this Regards Ahsan