Hi. When I tried to convert an empty file (0 bytes) to a Jpg the following exception was thrown:
Attempted to read past the end of the stream.
Trace
at .( , Int32 )
at .( )
at . ( )
at GroupDocs.Conversion.Handler.ConversionHandler.Convert[T](Stream fileStream, LoadOptions loadOptions, SaveOptions saveOptions)
at GroupDocs.Conversion.Handler.ConversionHandler.Convert[T](Stream fileStream, SaveOptions saveOptions)
at yyy.xxx.Service.Document.AWSPDFFirstDocumentService.StoreDocumentContent(String docId, String docName, String extension, Byte[] content) in E:\Code\xxx\yyy.xxx.Services\Document\AWSPDFFirstDocumentService.cs:line 47
at yyy.xxx.Service.Document.AWSPDFFirstDocumentService.Store(Document document) in E:\Code\xxx\yyy.xxx.Services\Document\AWSPDFFirstDocumentService.cs:line 56
at yyy.xxx.Service.Document.SecureDocumentService.Store(Document document) in E:\Code\xxx\yyy.xxx.Services\Document\SecureDocumentService.cs:line 175
at yyy.xxx.UI.Web.Api.Controllers.MatterDocsController.Post(String matterId, DocumentToMatterRequest theRequest) in E:\Code\xxx\yyy.xxx.UI.Web.Api\Controllers\MatterDocsController.cs:line 91
at lambda_method(Closure , Object , Object[] )
at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.<>c__DisplayClass10.b__9(Object instance, Object[] methodParameters)
at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.Execute(Object instance, Object[] arguments)
at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext controllerContext, IDictionary
2 arguments, CancellationToken cancellationToken)</font></div><div><font size="1" face="Courier New">--- End of stack trace from previous location where exception was thrown ---</font></div><div><font size="1" face="Courier New"> at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)</font></div><div><font size="1" face="Courier New"> at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)</font></div><div><font size="1" face="Courier New"> at System.Runtime.CompilerServices.TaskAwaiter1.GetResult() at System.Web.Http.Controllers.ApiControllerActionInvoker.d__0.MoveNext()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter
1.GetResult()</font></div><div><font size="1" face="Courier New"> at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext()</font></div><div><font size="1" face="Courier New">--- End of stack trace from previous location where exception was thrown ---</font></div><div><font size="1" face="Courier New"> at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)</font></div><div><font size="1" face="Courier New"> at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)</font></div><div><font size="1" face="Courier New"> at System.Runtime.CompilerServices.TaskAwaiter1.GetResult() at System.Web.Http.Filters.AuthorizationFilterAttribute.d__2.MoveNext()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at System.Web.Http.Controllers.ExceptionFilterResult.d__0.MoveNext()
I think it’s good either to throw a meaningful exception or much preferely generate a blank result (In my case an image with the given size but blank)