Sourceforge search stacktrace

Error running search query: Solr responded with an error (HTTP 500): [Reason: Error 500 {msg=SolrCore 'forge' is not available due to init failure: Error opening new searcher,trace=org.apache.solr.common.SolrException: SolrCore 'forge' is not available due to init failure: Error opening new searcher at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:745) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:299) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:368) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53) at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72) at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.solr.common.SolrException: Error opening new searcher at org.apache.solr.core.SolrCore.<init>(SolrCore.java:881) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:654) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:491) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:255) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:249) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: org.apache.solr.common.SolrException: Error opening new searcher at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1574) at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1686) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:853) ... 8 more Caused by: org.apache.lucene.index.CorruptIndexException: liveDocs.count()=376923 info.docCount=388253 info.getDelCount()=11331 (filename=_31d8x_47d.del) at org.apache.lucene.codecs.lucene40.Lucene40LiveDocsFormat.readLiveDocs(Lucene40LiveDocsFormat.java:96) at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:116) at org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:145) at org.apache.lucene.index.ReadersAndUpdates.getReadOnlyClone(ReadersAndUpdates.java:239) at org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:104) at org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:422) at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:112) at org.apache.solr.core.StandardIndexReaderFactory.newReader(StandardIndexReaderFactory.java:41) at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1540) ... 10 more ,code=500}]