Description
if a schema doesn't have a uniqueKey field specified, teh schema explorer won't work, and logs this exception...
SEVERE: java.lang.NullPointerException at org.apache.solr.handler.admin.LukeRequestHandler.getSchemaInfo(LukeRequestHandler.java:373) at org.apache.solr.handler.admin.LukeRequestHandler.handleRequestBody(LukeRequestHandler.java:133) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1299) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)