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From Ahson Iqbal <>
Subject Lucene 3.4.0 Merging
Date Fri, 30 Sep 2011 06:45:04 GMT

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 in thread "Main Thread" java.lang.NoClassDefFoundError: 


can any body guide me about this


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