: Once I have the jar file compiled and I include it in my home/lib directory : how do I go about using it? Will this override the existing behavior or will
it depends on what Plugin you've implemented in your jar. Based on this thread, it's not clear to me if you wrote a custom UpdateProcessor, or a custom DIH Transformer... http://wiki.apache.org/solr/SolrPlugins#How_to_Load_Plugins http://wiki.apache.org/solr/UpdateRequestProcessor http://wiki.apache.org/solr/DIHCustomTransformer There is no type of plugin to modify copyField directly... : <conditionalCopyField source="foo" dest="bar" class="my.solr"/> -Hoss
