Plugin is not getting fired in Sandbox for OnPremise environment.

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  Hello Guys,

             I have one plugin which is generating PDF file from an Email.This plugin using third party dll "Itextshartp.dll" for the functionality.We have on-premise instance of crm and we are registering the plugin on the same with Post Operation and Synchronous way.

            When I register and fires this plugin on "none" mode it works fine but it doesnt work for the "Sandbox" mode and generate the error "System.TypeInitializationException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #F680793B".

  here is the code whihc I have written in my plugin :

                                                                                                                  

  namespace EmialToPDF
  {
      public class EmailToPDFClass : IPlugin
      {
          static EmailToPDFClass()
          {
              //throw new ArgumentNullException("localContext");
  
                      //here is the error occures
  AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(OnResolveAssembly);

  
              //AppDomain.CurrentDomain.AssemblyResolve += OnResolveAssembly;
          }
          public void Execute(IServiceProvider serviceProvider)
          {
  
              ITracingService tracingService =
                  (ITracingService)serviceProvider.GetService(typeof(ITracingService));
  
              // Obtain the execution context from the service provider.
              IPluginExecutionContext context = (IPluginExecutionContext)
                  serviceProvider.GetService(typeof(IPluginExecutionContext));
  
              // The InputParameters collection contains all the data passed in the message request.
              if (context.InputParameters.Contains("Target") &&
                  context.InputParameters["Target"] is Entity)
              {
                  // Obtain the target entity from the input parameters.
                  Entity entity = (Entity)context.InputParameters["Target"];
  
                  // Verify that the target entity represents an account.
                  // If not, this plug-in was not registered correctly.
                  if (entity.LogicalName != "email")
                      return;
  
  
                  throw new InvalidPluginExecutionException("Hello");
  
                  try
                  {
                      // Obtain the organization service reference.
                      IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
                      IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
  
                      var emailEntity = ((Entity)context.InputParameters["Target"]).ToEntity<Email>();
  
                      MemoryStream memStream = new MemoryStream();
                      var doc = new Document();
  
                      var writer = PdfWriter.GetInstance(doc, memStream);
                      doc.Open();
                      PdfPTable table = new PdfPTable(2);
  
                      table.DefaultCell.Border = 0;
  
  
                      float[] widths = new float[] { 1f, 3f };
                      table.SetWidths(widths);
  
                      table.AddCell(GetPdfCell("From :"));
                      table.AddCell(GetPdfCell(emailEntity.Sender));
  
                      table.AddCell(GetPdfCell("To :"));
                      table.AddCell(GetPdfCell(emailEntity.ToRecipients));
  
                      table.AddCell(GetPdfCell("Cc :"));
  
                      foreach (ActivityParty item in emailEntity.Cc)
                      {
                          table.AddCell(GetPdfCell(item.AddressUsed));
                      }
  
                      table.AddCell(GetPdfCell("Bcc :"));
                      table.AddCell(GetPdfCell(" "));
  
                      table.AddCell(GetPdfCell("Subject :"));
                      table.AddCell(GetPdfCell(emailEntity.Subject));
  
                      var BlankCell = GetPdfCell(" ");
                      BlankCell.Colspan = 2;
                      table.AddCell(BlankCell);
  
                      Paragraph para = new Paragraph();
                      StringReader reader = new StringReader(emailEntity.Description);
  
                      table.AddCell(GetPdfCell(emailEntity.Description));
  
                      doc.Add(table);
  
                      StyleSheet styles = new StyleSheet();
                      styles.LoadTagStyle("th", "size", "9px");
                      styles.LoadTagStyle("th", "face", "Calibri");
                      styles.LoadTagStyle("span", "size", "9px");
                      styles.LoadTagStyle("span", "face", "Calibri");
                      styles.LoadTagStyle("td", "size", "9px");
                      styles.LoadTagStyle("td", "face", "Calibri");
  
                      using (var htmlWorker = new iTextSharp.text.html.simpleparser.HTMLWorker(doc))
                      {
                          //HTMLWorker doesn't read a string directly but instead needs a TextReader (which StringReader subclasses)
                          using (var sr = reader)
                          {
                              //Parse the HTML
                              htmlWorker.SetStyleSheet(styles);
                              htmlWorker.Parse(sr);
                          }
                      }
  
                      doc.Close();
  
                      //Attachment Code
                      var attachment = new ActivityMimeAttachment();
                      attachment.FileName = "Sample.pdf";
                      attachment.Body = Convert.ToBase64String(memStream.ToArray());
                      attachment.MimeType = "text/plain";
                      attachment.AttachmentNumber = 1;
                      attachment.ObjectTypeCode = "email";
                      var emailId = new Guid(emailEntity.ActivityId.ToString());
                      attachment.ObjectId = new EntityReference("email", emailId);
  
                      service.Create(attachment);
  
                  }
                  catch (Exception ex)
                  {
                      tracingService.Trace("FollowupPlugin: {0}", ex.ToString());
                      throw;
                  }
              }
          }
  
          private static Assembly OnResolveAssembly(object sender, ResolveEventArgs args)
          {
  
              Assembly executingAssembly = Assembly.GetExecutingAssembly();
              AssemblyName assemblyName = new AssemblyName(args.Name);
              String path = assemblyName.Name + ".dll";
  
              if (assemblyName.CultureInfo.Equals(CultureInfo.InvariantCulture) == false)
              {
                  path = String.Format(@"{0}\{1}", assemblyName.CultureInfo, path);
              }
  
              using (Stream stream = executingAssembly.GetManifestResourceStream(path))
              {
                  if (stream == null)
                      return null;
                  byte[] assemblyRawBytes = new byte[stream.Length];
                  stream.Read(assemblyRawBytes, 0, assemblyRawBytes.Length);
                  return Assembly.Load(assemblyRawBytes);
              }
          }
  
  
          private static PdfPCell GetPdfCell(String displayText)
          {
              var font = FontFactory.GetFont("Calibri", 9);
              var cell = new PdfPCell(new Phrase(displayText, font));
              cell.Border = 0;
              return cell;
          }
  
      }
  
  
  }

  The error occures on bold line.

  Any help would be appriciable.Please help ASAP

              

  ---

  Prashant Wani ,Software Engineer-II,Infinx Services Pvt.Ltd.

  Friday, November 21, 2014 12:07 PM