got a lot of exceptions:
1. System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 185.78.160.128:80
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception)
--- End of inner exception stack trace ---
at System.Net.HttpWebRequest.GetResponse()
at XcellenceIT.Plugin.Solr.Core.Controllers.SolrAdminController.StartProcess(Int32 storeId, Int32 languageId)
2.SolrNet.Exceptions.SolrConnectionException: <?xml version="1.0" encoding="UTF-8"?>
<response>
<lst name="responseHeader"><int name="status">400</int><int name="QTime">2</int><lst name="params"><str name="q">Id:*</str><str name="qt">select</str><str name="fl">Id</str><str name="rows">0</str><arr name="wt"><str>xml</str><str>xml</str></arr><str name="version">2.2</str></lst></lst><lst name="error"><lst name="metadata"><str name="error-class">org.apache.solr.common.SolrException</str><str name="root-error-class">org.apache.solr.common.SolrException</str></lst><str name="msg">undefined field Id</str><int name="code">400</int></lst>
</response>
---> System.Net.WebException: The remote server returned an error: (400) Bad Request.
at System.Net.HttpWebRequest.GetResponse()
at HttpWebAdapters.Adapters.HttpWebRequestAdapter.GetResponse()
at SolrNet.Impl.SolrConnection.GetResponse(IHttpWebRequest request)
at SolrNet.Impl.SolrConnection.Get(String relativeUrl, IEnumerable`1 parameters)
--- End of inner exception stack trace ---
at SolrNet.Impl.SolrConnection.Get(String relativeUrl, IEnumerable`1 parameters)
at XcellenceIT.Plugin.Solr.Core.SolrCoreService.GetSolrCoreURLIndexProductsCount(String coreUrl)
at XcellenceIT.Plugin.Solr.Core.SolrCoreService.GetIndexedProductCount(Int32 storeId, Int32 languageId)
3. System.Net.WebException: The remote server returned an error: (404) Not Found.
at System.Net.HttpWebRequest.GetResponse()
at XcellenceIT.Plugin.Solr.Core.Controllers.SolrAdminController.CheckSolrConnection(String coreURL)