When I make a query: :8983/solr/select?q=*:*
I have numFound: 4264579 and then when I make that query: :8983/solr/select?q=*:*&rows=4264579 or even that: :8983/solr/select?q=*:*&rows=4264578 <lst name="error"> <str name="msg"> org.apache.solr.client.solrj.SolrServerException: java.lang.RuntimeException: Invalid version (expected 2, but 60) or the data in not in 'javabin' format </str> <str name="trace"> org.apache.solr.common.SolrException: org.apache.solr.client.solrj.SolrServerException: java.lang.RuntimeException: Invalid version (expected 2, but 60) or the data in not in 'javabin' format at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:302) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1812) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:639) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:141) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:365) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485) at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53) at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635) 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:722) Caused by: org.apache.solr.client.solrj.SolrServerException: java.lang.RuntimeException: Invalid version (expected 2, but 60) or the data in not in 'javabin' format at org.apache.solr.client.solrj.impl.LBHttpSolrServer.request(LBHttpSolrServer.java:291) at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:174) at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:135) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ... 1 more Caused by: java.lang.RuntimeException: Invalid version (expected 2, but 60) or the data in not in 'javabin' format at org.apache.solr.common.util.JavaBinCodec.unmarshal(JavaBinCodec.java:109) at org.apache.solr.client.solrj.impl.BinaryResponseParser.processResponse(BinaryResponseParser.java:41) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:387) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:181) at org.apache.solr.client.solrj.impl.LBHttpSolrServer.request(LBHttpSolrServer.java:264) ... 10 more </str> <int name="code"> 500 </int> </lst> Why I get that error and how can I return all the results (just for a test purpose)?