SolrDocumentList sdl = indexer.getRawData(Constants.ITEM);
System.out.println("Found " + sdl.getNumFound()
+ " access in the statistics core");
HttpSolrServer solr = indexer.getSolr();
indexer.deleteByType(Constants.ITEM);
solr.commit();
System.out.println("Remove old data");
Context context = new Context();
context.turnOffAuthorisationSystem();
int i = 0;
for (SolrDocument sd : sdl)