Digitize Document Error received when " Error waiting for host service. Timeout: 30000"

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System.AggregateException: One or more errors occurred. (Error waiting for host service. Timeout: 30000) —> System.Exception: Error waiting for host service. Timeout: 30000 at UiPath.OCR.Contracts.Activities.OCRAsyncCodeActivity.EndExecute(AsyncCodeActivityContext context, IAsyncResult result)
at System.Activities.AsyncCodeActivity`1.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context, IAsyncResult result)
at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
— End of stack trace from previous location —
at UiPath.IntelligentOCR.Digitization.ExtendedOcrEngineActivityWrapper.RunOcr(Bitmap bitmap, CancellationToken token)
at UiPath.IntelligentOCR.Digitization.ExtendedOcrEngineActivityWrapper.Execute(PageRendererResults renderedPage, CancellationToken token)
at UiPath.DocumentUnderstanding.Digitizer.Digitization.PageDigitizer.RunOcr(IOcrEngine ocrEngine, PageRendererResults renderedPage, String documentId, CancellationToken token)
— End of inner exception stack trace —
at UiPath.DocumentUnderstanding.Digitizer.Digitization.PageDigitizer.ProcessOcrPagePart(PdfTokenizerImage image, IOcrEngine engine, Boolean checkboxDetectionEnabled, String contentId, CancellationToken token)
at UiPath.DocumentUnderstanding.Digitizer.Digitization.PageDigitizer.ProcessPdfPageWithAuto(Content page, IOcrEngine ocrEngine, DigitizationSettings settings, String contentId, CachingPageRenderer renderer, CancellationToken token)
at UiPath.DocumentUnderstanding.Digitizer.Digitization.PageDigitizer.GetRawPage(Content page, IOcrEngine ocrEngine, Boolean shouldApplyOcr, DigitizationSettings settings, String contentId, CancellationToken token)
at UiPath.DocumentUnderstanding.Digitizer.Digitization.PageDigitizer.ProcessPage(IDigitizationDocument digitizationDocument, Int32 pageNumber, IOcrEngine ocrEngine, Boolean shouldApplyOcr, DigitizationSettings settings, String contentId, CancellationTokenSource source)
at UiPath.DocumentUnderstanding.Digitizer.Digitization.DocumentDigitizer.GetPages(Content content, DigitizationSettings settings, IOcrEngine ocrEngine, CancellationToken token)
at UiPath.DocumentUnderstanding.Digitizer.Digitization.DocumentDigitizer.Digitize(Content content, DigitizationSettings settings, IOcrEngine ocrEngine, CancellationToken token)
at UiPath.IntelligentOCR.Digitization.IntelligentOcrDigitizer.Digitize(Content content, IOcrEngine ocrEngine, ApplyOcrOnPdf applyOcrOnPdf, Boolean detectCheckboxes, IDigitizationScheduler scheduler, IDigitizerTelemetryService telemetryService, CancellationToken token)
at UiPath.IntelligentOCR.Activities.Digitization.DigitizeDocument.ExecuteAsync(NativeActivityContext context, CancellationToken cancellationToken)
at UiPath.Shared.Activities.AsyncTaskNativeImplementation.BookmarkResumptionCallback(NativeActivityContext context, Object value)
at UiPath.Shared.Activities.AsyncTaskNativeActivity.BookmarkResumptionCallback(NativeActivityContext context, Bookmark bookmark, Object value)
at System.Activities.Runtime.BookmarkCallbackWrapper.Invoke(NativeActivityContext context, Bookmark bookmark, Object value)
at System.Activities.Runtime.BookmarkWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

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@AbarnaKalaiselvam

looks like the connection timedout…either increase the timeout value or wait for sometime may be the server is down

cheers

3

how to increase a timeout value?

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@AbarnaKalaiselvam

My bad on it we dont have the timeout property…please check these steps

Cheers

5

@Anil_G Bro, in the 2nd step how to check the vision host logs

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@AbarnaKalaiselvam

This is the location just use it directly in your file explorer

%localappdata%\UiPath\Logs\

As said name would be the ocr package you use

Cheers