Fatal error:
Path: MongoDB.Driver.Internal.MongoConnection AcquireConnection(MongoDB.Driver.MongoDatabase)
Message: Exception has been thrown by the target of an invocation. Too many threads are already waiting for a connection.
StackTrace: at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters) at System.Web.Util.ArglessEventHandlerProxy.Callback(Object sender, EventArgs e) at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) at MongoDB.Driver.Internal.MongoConnectionPool.AcquireConnection(MongoDatabase database) in c:\projects\mongo-csharp-driver\Driver\Internal\MongoConnectionPool.cs:line 98 at MongoDB.Driver.MongoServerInstance.AcquireConnection(MongoDatabase database) in c:\projects\mongo-csharp-driver\Driver\Core\MongoServerInstance.cs:line 406 at MongoDB.Driver.MongoServer.AcquireConnection(MongoDatabase database, ReadPreference readPreference) in c:\projects\mongo-csharp-driver\Driver\Core\MongoServer.cs:line 1052 at MongoDB.Driver.MongoCursorEnumerator`1.AcquireConnection() in c:\projects\mongo-csharp-driver\Driver\Core\MongoCursorEnumerator.cs:line 299 at MongoDB.Driver.MongoCursorEnumerator`1.GetFirst() in c:\projects\mongo-csharp-driver\Driver\Core\MongoCursorEnumerator.cs:line 312 at MongoDB.Driver.MongoCursorEnumerator`1.MoveNext() in c:\projects\mongo-csharp-driver\Driver\Core\MongoCursorEnumerator.cs:line 230 at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source) at Abo.Dal.Repository.AboSessionRepository.GetSession(String sessionId) in d:\TeamCity\buildAgent\work\2b5341aa9a1e454a\abo.dal\Repository\AboSessionRepository.cs:line 19 at Abo.Dal.AboRequestContext.get_Session() in d:\TeamCity\buildAgent\work\2b5341aa9a1e454a\abo.dal\AboRequestContext.cs:line 102 at Abo.Web.MvcApplication.Application_AcquireRequestState() in d:\TeamCity\buildAgent\work\2b5341aa9a1e454a\abo.web\Global.asax.cs:line 512