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I'm getting the below exception while publishing the Site node using Smart publish along with Subitems. This is happening for the last two days and there are no config changes for the last 2 weeks.

I tried clearing the publish queue, event queue, and history table. I also disabled Sitecore Content testing to verify it could be due to that. But none of them were worked out.

If someone can provide me some lead on this it would be a great help for me to resolve the issue. Thanks in advance.

Sitecore Version: 9.0.2 XC Version: 9.0.3

Exception:

Job started: Publish to 'web'|#Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Sitecore.ContentTesting.Data.SitecoreContentTestStore.GetRunningContentTestVariable(Item item)
   at Sitecore.ContentTesting.Pipelines.PublishVersion.PublishTestingVersions.ProcessContentTest(Item source, PublishHelper helper)
   at Sitecore.ContentTesting.Pipelines.PublishVersion.PublishTestingVersions.Process(PublishItemVersionArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Publishing.PublishHelper.PublishVersionToTarget(Item sourceVersion, Item targetItem, Boolean targetCreated)
   at Sitecore.Publishing.PublishHelper.PublishVersion(Item sourceVersion)
   at Sitecore.Publishing.Pipelines.PublishItem.PerformAction.Process(PublishItemContext context)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Publishing.Pipelines.PublishItem.PublishItemPipeline.Run(PublishItemContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context, List`1& referrers, List`1& children)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context)
   at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.Process(PublishContext context)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Publishing.Pipelines.Publish.PublishPipeline.Run(PublishContext context)
   at Sitecore.Publishing.Publisher.PublishWithResult()
   --- End of inner exception stack trace ---
   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 Sitecore.Reflection.ReflectionUtil.InvokeMethod(MethodInfo method, Object[] parameters, Object obj)
   at Sitecore.Jobs.JobRunner.RunMethod(JobArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Jobs.Job.DoExecute()
   at Sitecore.Jobs.Job.ThreadEntry(Object state)
1

According to the stack trace, looks like is a problem with a corrupted content test: at

Sitecore.ContentTesting.Data.SitecoreContentTestStore.GetRunningContentTestVariable(Item item)
at Sitecore.ContentTesting.Pipelines.PublishVersion.PublishTestingVersions.ProcessContentTest(Item source, PublishHelper helper)
at Sitecore.ContentTesting.Pipelines.PublishVersion.PublishTestingVersions.Process(PublishItemVersionArgs args)

For some items under the /sitecore/system/marketing control panel/test lab, references from the item to be published are not found. You need to find which items are crashing the publishing. Probably there was a test and after that, the test items were removed without stopping the test.

Please try these steps:

  1. Enable the viewing of standard fields by going to the VIEW tab in Content Editor Ribbon and ensuring the "Standard fields" checkbox is checked
  2. Navigating the Layouts section of the item in Content Editor
  3. Removing values from the Content Test field

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  • I tried the steps you suggested but no items were mapped to the Content test. – Gowthamaraja Eswaramoorthy Oct 29 '20 at 14:40
  • 1
    can you run this powershell script to get all items with Content Test field not empty: Get-ChildItem -Path "master:\sitecore\content" -Recurse | where {$_."Content Test".length -gt 0 -or $_."Page level test set".length -gt 0} | Write-Output – Vlad Iobagiu Oct 29 '20 at 14:52
  • It took a long time to complete since items in Sitecore are huge. But there is no result from the script. – Gowthamaraja Eswaramoorthy Oct 30 '20 at 2:24
  • But when I disabled the ContentTesting.AutomaticContentTesting.Enabled setting to false in both CM and CD servers and did IIS reset. That resolved the exception but I need to know if any other option to fix without making the config changes. – Gowthamaraja Eswaramoorthy Oct 30 '20 at 7:45

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