SolrJ doesn't have explicit support for that param but you can always add it yourself.
For example: CoreAdminRequest.Unload req = new CoreAdminRequest.Unload(false); ((ModifiableSolrParams) req.getParams()).set("deleteInstanceDir", true); req.process(server); On Thu, Jul 4, 2013 at 12:50 PM, Lyuba Romanchuk <lyuba.romanc...@gmail.com> wrote: > Hi, > > I need to unload core with deleting instance directory of the core. > According to code of Solr4.2 I don't see the support for this parameter in > solrj. > Is there the fix or open issue for this? > > Best regards, > Lyuba -- Regards, Shalin Shekhar Mangar.