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Job started: Publish to 'web'|INFO [Deploy] Checking all sites sequentially (3).|INFO [Deploy] Site "aon-es" is skipped because its language (<site language="es" ... />) hasn't been published this time (en)|INFO [Deploy] Site "aon-preview" is skipped because current publish target database is "web" which differs from site's context database (<site name="aon-preview" ... database="master" ... />)|WARN Operation "Check hosted deployment service status" has failed. It will retry in 10s|WARN Retrying operation "Check hosted deployment service status"|WARN Operation "Check hosted deployment service status" has failed. It will retry in 30s|WARN Retrying operation "Check hosted deployment service status"|#Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidOperationException: Deployment got interrupted due to error. This exception may contain sensitive data masked, the original exception is available separately with this log reference: 8DBC35FEAC39401 ---> System.InvalidOperationException: [Deploy] Site aon deployment has failed because the publish service is offline ---> System.InvalidOperationException: The https://aon-sitecore-qa-xp-scaled-ssg.azurewebsites.net endpoint does not respond. ---> Uniform.Exceptions.HttpGetRequestFailedException: HTTP GET request failed, Code: ServiceUnavailable, URL: https://aon-sitecore-qa-xp-scaled-ssg.azurewebsites.net/uniform/api/service/status?uniform_token=************, response URL: (same), text: Sitecore does not respond at: https://aon-sitecore-qa-xp-scaled-176730-cd.azurewebsites.net/sitecore/service/keepalive.aspx ---> System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.HttpWebRequest.GetResponse()
   at Uniform.Extensions.UriExtensions.DownloadAsString(Uri uri, Int32 timeoutMs, IReadOnlyDictionary`2 headers)
   --- End of inner exception stack trace ---
   at Uniform.Extensions.UriExtensions.DownloadAsString(Uri uri, Int32 timeoutMs, IReadOnlyDictionary`2 headers)
   at Uniform.ServiceStatusHelper.GetStatus(String endpoint)
   --- End of inner exception stack trace ---
   at Uniform.ServiceStatusHelper.GetStatus(String endpoint)
   at Uniform.ServiceStatusHelper.CheckStatus(String endpoint)
   at Uniform.Helper.Retry[T](Func`1 act, Int32 num, String text, Int32 timeoutMs, Nullable`1 increasedTimeoutMs)
   at Uniform.Services.HostedDeploymentService.CheckStatus()
   at Uniform.Pipelines.Publish.VerifyUniformService.ProcessSite(ISiteConfiguration site)
   --- End of inner exception stack trace ---
   at Uniform.Pipelines.Publish.VerifyUniformService.ProcessSite(ISiteConfiguration site)
   at Uniform.Pipelines.Publish.BasePublishProcessor.DoProcess(String targetDatabaseName, String[] languages)
   at Uniform.Pipelines.Publish.BasePublishProcessor.Process(PublishContext context)
   --- End of inner exception stack trace ---
   at Uniform.Pipelines.Publish.BasePublishProcessor.HandleError(Exception ex, String siteName)
   at Uniform.Pipelines.Publish.BasePublishProcessor.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.DefaultJob.DoExecute()
   at Sitecore.Abstractions.BaseJob.ThreadEntry(Object state)