2026-06-03 19:14:12,716 ERROR [10922] ASC.Api.ApiSetup - method error: https://127.0.0.1/api/2.0/portal/search/state.json - Server error Elasticsearch.Net.ElasticsearchClientException: Error: ConnectFailure (Connection refused). Call: Status code unknown from: GET /_cat/indices?s=index ---> System.Net.WebException: Error: ConnectFailure (Connection refused) ---> System.Net.Sockets.SocketException: Connection refused
  at System.Net.Sockets.SocketAsyncResult.CheckIfThrowDelayedException () [0x00014] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.Sockets.Socket.EndConnect (System.IAsyncResult asyncResult) [0x0002c] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.WebConnection+<>c.<Connect>b__16_1 (System.IAsyncResult asyncResult) [0x00006] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Threading.Tasks.TaskFactory`1[TResult].FromAsyncCoreLogic (System.IAsyncResult iar, System.Func`2[T,TResult] endFunction, System.Action`1[T] endAction, System.Threading.Tasks.Task`1[TResult] promise, System.Boolean requiresSynchronization) [0x00019] in <f2b3ab7dfff746f594d2ef5b16ec3c90>:0 
--- End of stack trace from previous location where exception was thrown ---

  at System.Net.WebConnection.Connect (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x001e1] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
   --- End of inner exception stack trace ---
  at System.Net.WebConnection.Connect (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x0025d] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.WebConnection.InitConnection (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x000cc] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.WebOperation.Run () [0x0009a] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.WebCompletionSource`1[T].WaitForCompletion () [0x00094] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.HttpWebRequest.RunWithTimeoutWorker[T] (System.Threading.Tasks.Task`1[TResult] workerTask, System.Int32 timeout, System.Action abort, System.Func`1[TResult] aborted, System.Threading.CancellationTokenSource cts) [0x000f8] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at System.Net.HttpWebRequest.GetResponse () [0x00016] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000a6] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at Elasticsearch.Net.Transport`1[TConnectionSettings].HandleElasticsearchClientException (Elasticsearch.Net.RequestData data, System.Exception clientException, Elasticsearch.Net.IElasticsearchResponse response) [0x00064] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].FinalizeResponse[TResponse] (Elasticsearch.Net.RequestData requestData, Elasticsearch.Net.IRequestPipeline pipeline, System.Collections.Generic.List`1[T] seenExceptions, TResponse response) [0x0004b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x00191] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.ElasticLowLevelClient.DoRequest[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x00006] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ElasticClient.DoRequest[TRequest,TResponse] (TRequest p, Elasticsearch.Net.IRequestParameters parameters, System.Action`1[T] forceConfiguration) [0x0007e] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.NamespacedClientProxy.DoRequest[TRequest,TResponse] (TRequest p, Elasticsearch.Net.IRequestParameters parameters, System.Action`1[T] forceConfiguration) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.NamespacedClientProxy.DoCat[TRequest,TParams,TCatRecord] (TRequest request) [0x00093] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.Specification.CatApi.CatNamespace.Indices (Nest.ICatIndicesRequest request) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at ASC.ElasticSearch.FactoryIndexer.GetState () [0x000a6] in <37cc252e52254a5ca99f4590ec043b34>:0 
  at ASC.Api.Portal.PortalApi.CheckSearchAvailable () [0x00005] in <d688a05b9f1e4d13bd5708b85106cd59>:0 
  at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
  at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <f2b3ab7dfff746f594d2ef5b16ec3c90>:0