Hi Kurosaka-san, I think you got a kind of class loader problem. I usually put my plugin jars under the lib directory of solr home.
http://wiki.apache.org/solr/SolrPlugins#How_to_Load_Plugins Koji Teruhiko Kurosaka wrote: > I have my custom Tokenizer and TokenizerFactory in a jar, > and I've been putting it in example/lib/ext. and it's been > working fine with Solr 1.3. > > This jar uses SLF4J as a logging API, and I had the SLF4J jars > in the same place, example/lib/ext. > > Because Solr 1.4 uses SLF4J too and have it builtin, > I thought I wouldn't need to have another set of the > same jars, I removed them from example/lib/ext. Then, > when my TokenizerFactory is run, I've got a > NoClassDefFoundError error. > > This error can be fixed by putting another set of SLF4J jars > in example/lib/ext, but I don't understand why. > After all, my jar can access Lucene and Solr APIs whose > jars resides elsewhere than example/lib/ext. Why only > SLF4J jars must be duplicated and exist in example/lib/ext? > Why SLF4J jars are special? Is this somethng to do > with the fact that SLF4J jars are needed at the static > initialization time? What is the correct place to put > my Tokenizer(Filter) jars? > > -kuro > > -- http://www.rondhuit.com/en/
