can you please try persistent="true" in solr tag as per my knowledge it will solve your 404 - Not found error.
Regards, Gaurav > Date: Tue, 16 Aug 2011 12:44:45 -0700 > From: dnsa...@gmail.com > To: solr-user@lucene.apache.org > Subject: Unable to get multicore working > > I've been trying (unsuccessfully) to get multicore working for about a day > and a half now I'm nearly at wits end and unsure what to do anymore. **Any** > help would be appreciated. > > I've installed Solr using the solr-jetty packages on Ubuntu 10.04. The > default Solr install seems to work fine. > > Now, I want to add three cores: live, staging, preview to be used for the > various states of the site. > > I've created a `solr.xml` file as follows and symlinked it in to > /usr/share/solr: > > <?xml version="1.0" encoding="UTF-8" ?> > <solr persistent="false"> > <cores adminPath="/admin/cores"> > <core name="preview" instanceDir="/home/webteam/config/search/preview" > dataDir="/home/webteam/preview/data" /> > <core name="staging" instanceDir="/home/webteam/config/search/staging" > dataDir="/home/webteam/staging/data" /> > <core name="live" instanceDir="/home/webteam/config/search/live" > dataDir="/home/webteam/live/data" /> > </cores> > </solr> > > Now, when I try to view any cores, I get a 404 - Not found. In fact, I can't > even view /solr/admin/ anymore after installing that `solr.xml` file. > > Also, /solr/admin/cores returns an XML file, but it looks to me like there's > no cores listed. The output: > > <response> > <lst name="responseHeader"> > <int name="status">0</int> > <int name="QTime">0</int> > > </lst> > > > <lst name="status"/> > > </response> > > > Finally, looking through the logs produced by Jetty doesn't seem to reveal > any clues about what is wrong. There doesn't seem to be any errors in there, > except the 404s. > > Long story short. I'm stuck. Any suggestions on where to go with this? > > David >