DXA 1.4 installed successfully on SDL Web 8.1.1 + Topology and published all the pages got success.

Accessed the Website URL: http://dxastaging.sdlweb8.indi/

Getting the output on the website response:

    No matching Localization found for URL 'http://dxastaging.sdlweb8.indi/'

Accessed the website URL: http://dxastaging.sdlweb8.indi/index.html

> Server Error in '/' Application.
> 
> {"error":{"code":"4000","message":"Not possible to marshall single
> entity stream JSON: "}}
> 
> Description: An unhandled exception occurred during the execution of
> the current web request. Please review the stack trace for more
> information about the error and where it originated in the code. 
> 
> Exception Details: Microsoft.OData.Client.DataServiceClientException:
> {"error":{"code":"4000","message":"Not possible to marshall single
> entity stream JSON: "}}
> 
> Source Error: 
> 
> An unhandled exception was generated during the execution of the
> current web request. Information regarding the origin and location of
> the exception can be identified using the exception stack trace below.
> 
> Stack Trace: 
> 
> 
> [DataServiceClientException: {"error":{"code":"4000","message":"Not
> possible to marshall single entity stream JSON: "}}]   
> Microsoft.OData.Client.QueryResult.ExecuteQuery() +613   
> Microsoft.OData.Client.DataServiceRequest.Execute(DataServiceContext
> context, QueryComponents queryComponents) +314
> 
> [DataServiceQueryException: An error occurred while processing this
> request.]   
> Microsoft.OData.Client.DataServiceRequest.Execute(DataServiceContext
> context, QueryComponents queryComponents) +874   
> Microsoft.OData.Client.DataServiceContext.InnerSynchExecute(Uri
> requestUri, String httpMethod, Nullable`1 singleResult,
> OperationParameter[] operationParameters) +555   
> Microsoft.OData.Client.DataServiceContext.Execute(Uri requestUri) +117
> Sdl.Web.Delivery.Service.<>c__DisplayClass23.<Execute>b__20() +82   
> Sdl.Web.Delivery.Service.DummyCacheProvider.AddOrGetExisting(String
> key, Func`1 addFactory, Boolean useCache) +12   
> Sdl.Web.Delivery.Service.<>c__DisplayClass21`1.<Execute>b__1f() +307
> 
> [ServiceQueryException: Failed to execute query]   
> Sdl.Web.Delivery.Service.AbstractODataService.HandleHttpResponseCode(Exception
> e, Int32 statusCode) +162   
> Sdl.Web.Delivery.Service.<>c__DisplayClass21`1.<Execute>b__1f() +423  
> Sdl.Web.Delivery.Service.Utils.PerformRetry(Func`1 block, Int32
> retryCount) +113    Sdl.Web.Delivery.Service.Utils.Retry(Func`1 block,
> Int32 retryCount, Boolean locking) +239   
> Sdl.Web.Delivery.Dynamic.DynamicMappingsRetrieverImpl.GetPublicationMapping(String
> url) +265   
> Tridion.ContentDelivery.DynamicContent.DynamicMappingsRetriever.GetPublicationMapping(String
> url) +68   
> Sdl.Web.Tridion.CdApiLocalizationResolver.ResolveLocalization(Uri url)
> in c:\Jenkins\workspace\DXA Dev CI Web App
> .NET\Sdl.Web.Tridion\CdApiLocalizationResolver.cs:66   
> Sdl.Web.Mvc.Configuration.WebRequestContext.get_Localization() in
> c:\Jenkins\workspace\DXA Dev CI Web App
> .NET\Sdl.Web.Mvc\Configuration\WebRequestContext.cs:23   
> Sdl.Web.Mvc.Statics.StaticContentModule.BeginRequest(Object sender,
> EventArgs e) in c:\Jenkins\workspace\DXA Dev CI Web App
> .NET\Sdl.Web.Mvc\Statics\StaticContentModule.cs:97   
> System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
> +92    System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +165

**Site.log:**

> 2016-05-06 02:59:57,142 [8] ERROR - Failed to execute query
> Sdl.Web.Delivery.Service.ServiceQueryException: Failed to execute
> query ---> Microsoft.OData.Client.DataServiceQueryException: An error
> occurred while processing this request. --->
> Microsoft.OData.Client.DataServiceClientException:
> {"error":{"code":"4000","message":"Not possible to marshall single
> entity stream JSON: "}}    at
> Microsoft.OData.Client.QueryResult.ExecuteQuery()    at
> Microsoft.OData.Client.DataServiceRequest.Execute[TElement](DataServiceContext
> context, QueryComponents queryComponents)    --- End of inner
> exception stack trace ---    at
> Microsoft.OData.Client.DataServiceRequest.Execute[TElement](DataServiceContext
> context, QueryComponents queryComponents)    at
> Microsoft.OData.Client.DataServiceContext.InnerSynchExecute[TElement](Uri
> requestUri, String httpMethod, Nullable`1 singleResult,
> OperationParameter[] operationParameters)    at
> Microsoft.OData.Client.DataServiceContext.Execute[TElement](Uri
> requestUri)    at
> Sdl.Web.Delivery.Service.ODataV4Service.<>c__DisplayClass21`1.<>c__DisplayClass23.<Execute>b__20()
> at Sdl.Web.Delivery.Service.DummyCacheProvider.AddOrGetExisting(String
> key, Func`1 addFactory, Boolean useCache)    at
> Sdl.Web.Delivery.Service.ODataV4Service.<>c__DisplayClass21`1.<Execute>b__1f()
> --- End of inner exception stack trace ---    at Sdl.Web.Delivery.Service.AbstractODataService.HandleHttpResponseCode(Exception
> e, Int32 statusCode)    at
> Sdl.Web.Delivery.Service.ODataV4Service.<>c__DisplayClass21`1.<Execute>b__1f()
> at Sdl.Web.Delivery.Service.Utils.PerformRetry[T](Func`1 block, Int32
> retryCount)    at Sdl.Web.Delivery.Service.Utils.Retry[T](Func`1
> block, Int32 retryCount, Boolean locking)    at
> Sdl.Web.Delivery.Dynamic.DynamicMappingsRetrieverImpl.GetPublicationMapping(String
> url)    at
> Tridion.ContentDelivery.DynamicContent.DynamicMappingsRetriever.GetPublicationMapping(String
> url)    at
> Sdl.Web.Tridion.CdApiLocalizationResolver.ResolveLocalization(Uri url)
> in c:\Jenkins\workspace\DXA Dev CI Web App
> .NET\Sdl.Web.Tridion\CdApiLocalizationResolver.cs:line 66    at
> Sdl.Web.Mvc.Configuration.WebRequestContext.get_Localization() in
> c:\Jenkins\workspace\DXA Dev CI Web App
> .NET\Sdl.Web.Mvc\Configuration\WebRequestContext.cs:line 23    at
> Sdl.Web.Mvc.Statics.StaticContentModule.BeginRequest(Object sender,
> EventArgs e) in c:\Jenkins\workspace\DXA Dev CI Web App
> .NET\Sdl.Web.Mvc\Statics\StaticContentModule.cs:line 54

**Error log on ContentServiceCapability (session) cd_core.log:**

> 2016-05-06 02:57:31,507 ERROR JsonWriter - Not possible to marshall
> single entity stream JSON 2016-05-06 02:57:31,523 ERROR
> ODataRendererActor - Exception during response rendering -
> com.sdl.odata.api.renderer.ODataRenderException: 'Not possible to
> marshall single entity stream JSON: '
> com.sdl.odata.api.renderer.ODataRenderException: Not possible to
> marshall single entity stream JSON:  	at
> com.sdl.odata.renderer.json.writer.JsonWriter.writeEntry(JsonWriter.java:130)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.renderer.json.JsonRenderer.render(JsonRenderer.java:70)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.service.actor.ODataRendererActor.renderResult(ODataRendererActor.scala:124)
> [odata_service-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.service.actor.ODataRendererActor$$anonfun$receive$1.applyOrElse(ODataRendererActor.scala:74)
> ~[odata_service-2.0.5-1002.jar:2.0.5-1002] 	at
> akka.actor.Actor$class.aroundReceive(Actor.scala:480)
> [akka-actor_2.11-2.4.1.jar:na] 	at
> com.sdl.odata.service.actor.ODataRendererActor.aroundReceive(ODataRendererActor.scala:33)
> [odata_service-2.0.5-1002.jar:2.0.5-1002] 	at
> akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
> [akka-actor_2.11-2.4.1.jar:na] 	at
> akka.actor.ActorCell.invoke(ActorCell.scala:495)
> [akka-actor_2.11-2.4.1.jar:na] 	at
> akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
> [akka-actor_2.11-2.4.1.jar:na] 	at
> akka.dispatch.Mailbox.run(Mailbox.scala:224)
> [akka-actor_2.11-2.4.1.jar:na] 	at
> java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> [na:1.8.0_92] 	at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> [na:1.8.0_92] 	at java.lang.Thread.run(Unknown Source) [na:1.8.0_92]
> Caused by: com.sdl.odata.api.renderer.ODataRenderException:
> Non-nullable property has null value: Port 	at
> com.sdl.odata.renderer.json.writer.JsonWriter.marshallStructuralProperty(JsonWriter.java:316)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.renderer.json.writer.JsonWriter.lambda$marshallStructured$11(JsonWriter.java:262)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.util.edm.EntityDataModelUtil.visitProperties(EntityDataModelUtil.java:372)
> ~[odata_api-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.renderer.json.writer.JsonWriter.marshallStructured(JsonWriter.java:236)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.renderer.json.writer.JsonWriter.marshall(JsonWriter.java:204)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.renderer.json.writer.JsonWriter.writeJson(JsonWriter.java:169)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	at
> com.sdl.odata.renderer.json.writer.JsonWriter.writeEntry(JsonWriter.java:126)
> ~[odata_renderer-2.0.5-1002.jar:2.0.5-1002] 	... 12 common frames
> omitted

Please advise if anybody had this issue on DXA 1.4 website