Hi Ahson, The wiki page you got your cmdline invocation from <http://wiki.apache.org/solr/MergingSolrIndexes> was missing a space character between the classpath and "org/apache/lucene/misc/IndexMergeTool". I've just updated that page.
Steve > -----Original Message----- > From: Ahson Iqbal [mailto:mianah...@yahoo.com] > Sent: Friday, September 30, 2011 2:45 AM > To: Solr Send Mail > Subject: Lucene 3.4.0 Merging > > 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
