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Merge pull request #1955 from syncfusion-content/876039_hotfix
876039: Resolve UG Documentation staging error.
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‎File-Formats/PDF/Convert-HTML-To-PDF/troubleshooting.md‎

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@@ -34,7 +34,8 @@ You can set the runtimes folder path explicitly in BlinkPath property in BlinkCo
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<br/><br/>
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Ex path: <i>C:\HtmlConversion\HTMl-to-PDF\HTMl-to-PDF\bin\Debug\net7.0\runtimes\win-x64\native\</i>
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<br/><br/>
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{% highlight c# tabtitle="C# [Cross-platform]" %}
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{% tabs %}
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{% highlight C# %}
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//Initialize the HTML to PDF converter.
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HtmlToPdfConverter htmlConverter = new HtmlToPdfConverter();
@@ -52,6 +53,7 @@ document.Save(fileStream);
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document.Close(true);
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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@@ -137,13 +139,15 @@ Also, please add the following command line arguments in our converter setting.
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<table>
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<tr>
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<td>
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{% highlight %}
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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//Set command line arguments to run without sandbox.
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blinkConverterSettings.CommandLineArguments.Add("--no-sandbox");
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blinkConverterSettings.CommandLineArguments.Add("--disable-setuid-sandbox");
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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</table>
@@ -247,12 +251,14 @@ blinkConverterSettings.CommandLineArguments.Add("--disable-setuid-sandbox");
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</th>
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<td>To overcome the exception, you can add read, write, and execute permissions for the temporary folder. Refer to the following code sample to set the temp folder.
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<br><br/>
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{% highlight %}
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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BlinkConverterSettings settings = new BlinkConverterSettings();
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settings.TempPath = "D://MyProject//bin";
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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@@ -330,7 +336,8 @@ Check the HTML file or URL is rendered properly in Chrome browser's print previe
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<br><br/>
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<img src="htmlconversion_images/Troubleshooting_webpage_exception_Linux.png" alt="ExcludeAssets">
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<br><br/>
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{% highlight %}
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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COPY . /app
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WORKDIR /app
@@ -339,6 +346,7 @@ RUN chmod +x /app/runtimes/linux/native/chrome && \
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chmod +x /app/runtimes/linux/native/chrome-wrapper
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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</table>
@@ -362,12 +370,14 @@ RUN chmod +x /app/runtimes/linux/native/chrome && \
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</th>
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<td>To overcome this issue, add suitable delay for the conversion using the <a href="https://help.syncfusion.com/cr/file-formats/Syncfusion.HtmlConverter.BlinkConverterSettings.html#Syncfusion_HtmlConverter_BlinkConverterSettings_AdditionalDelay">AdditionalDelay</a> property of the HTMLConverter.
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<br><br/>
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{% highlight %}
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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BlinkConverterSettings settings = new BlinkConverterSettings();
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settings.AdditionalDelay = 4000;
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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@@ -431,12 +441,14 @@ Refer to this <a href="https://www.syncfusion.com/kb/10258/how-to-convert-html-t
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</th>
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<td>You can able to bypass the invalid SSL certificate errors using the command line arguments property of Blink converter settings.
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<br><br/>
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{% highlight %}
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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BlinkConverterSettings settings = new BlinkConverterSettings();
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settings.CommandLineArguments.Add("--ignore-certificate-errors");
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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</table>
@@ -461,13 +473,15 @@ settings.CommandLineArguments.Add("--ignore-certificate-errors");
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</th>
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<td>We can resolve this permission related failure in the Blink rendering engine using below command line arguments in our converter settings.
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<br><br/>
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{% highlight %}
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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//Set command line arguments to run without sandbox.
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blinkConverterSettings.CommandLineArguments.Add("--no-sandbox");
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blinkConverterSettings.CommandLineArguments.Add("--disable-setuid-sandbox");
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{% endhighlight %}
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{% endtabs %}
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</td>
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</tr>
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</table>
@@ -591,7 +605,7 @@ To resolve this issue, we can install the chromium using the docker file and set
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Docker File:<br><br>
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{% tabs %}
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{% highlight %}
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{% highlight C# tabtitle="C#" %}
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FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
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{% endhighlight %}
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{% endtabs %}
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Code snippet:
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{% tabs %}
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{% highlight C# tabtitle="C#" %}
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BlinkConverterSettings settings = new BlinkConverterSettings();
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{% highlight c# tabtitle="C# [Cross-platform]" %}
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{% highlight C# tabtitle="C#" %}
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HtmlToPdfConverter htmlConverter = new HtmlToPdfConverter();
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//Initialize blink converter settings.
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{% tabs %}
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{% highlight C# %}
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//Set command line arguments to run without the sandbox.
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‎File-Formats/PDF/Working-with-OCR/Troubleshooting.md‎

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@@ -25,7 +25,8 @@ keywords: Assemblies
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<td>
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Set proper tesseract binaries and tessdata folder with all files and inner folders. The tessdata folder name is case-sensitive and should not change.
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{% highlight c# tabtitle="C# [Cross-platform]" %}
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{% tabs %}
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{% highlight C# tabtitle="C# [Cross-platform]" %}
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//TesseractBinaries - path of the folder tesseract binaries.
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OCRProcessor processor = new OCRProcessor(@"TesseractBinaries/");
@@ -34,6 +35,7 @@ OCRProcessor processor = new OCRProcessor(@"TesseractBinaries/");
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processor.PerformOCR(lDoc, @"TessData/");
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1.Execute the following command to install Tesserat 5.
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brew install tesseract
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{% endtabs %}
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If the "brew" is not installed on your machine, you can install it using the following command.
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{% tabs %}
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{% highlight C# %}
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/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
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2.Once Tesseract 5 is successfully installed, you can configure the path to the latest binaries by copying the location of the Tesseract folder and setting it as the Tesseract binaries path when setting up the OCR processor. Refer to the example code below:
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//Initialize the OCR processor by providing the path of tesseract binaries.
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using (OCRProcessor processor = new OCRProcessor("/opt/homebrew/Cellar/tesseract/5.3.2/lib"))
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3.Add the TessDataPath from bin folder. Refer to the example code below:
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{% tabs %}
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{% highlight C# tabtitle="C# [Cross-platform]" %}
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using (OCRProcessor processor = new OCRProcessor("/opt/homebrew/Cellar/tesseract/5.3.2/lib"))
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{
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1. Install the leptonica.
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sudo apt-get install libleptonica-dev
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<img src="OCR-Images/Install-leptonica.png">
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2.Install the tesseract.
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sudo apt-get install tesseract-ocr-eng
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<img src="OCR-Images/Install-tesseract.png">
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3. Copy the binaries (liblept.so and libtesseract.so) to the missing files exception folder in the project location.
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{% tabs %}
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cp /usr/lib/x86_64-linux-gnu/liblept.so /home/syncfusion/linuxdockersample/linuxdockersample/bin/Debug/net7.0/liblept1753.so
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cp /usr/lib/x86_64-linux-gnu/libtesseract.so.4 /home/syncfusion/linuxdockersample/linuxdockersample/bin/Debug/net7.0/libSyncfusionTesseract.so
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To resolve this problem, you should install all required dependencies in your Linux machine. Refer to the following steps to installing the missing dependencies.
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Step 1: Execute the following command in terminal window to check dependencies are installed properly.
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ldd liblept1753.so
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ldd libSyncfusionTesseract.so
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Run the following commands in terminal
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sudo apt-get install libleptonica-dev libjpeg62
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Step 2:
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ln -s /usr/lib/x86_64-linux-gnu/libtiff.so.6 /usr/lib/x86_64-linux-gnu/libtiff.so.5
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Step 3:
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ln -s /lib/x86_64-linux-gnu/libdl.so.2 /usr/lib/x86_64-linux-gnu/libdl.so
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