Questions tagged as 'excepciones'

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Problem when creating socket in android to server on pc

I am doing a chat for a project in the grade I am in, I already have a client and server that work in java on the PC. Now I wanted to make a client in mobile version. The point is that I am stuck in the creation of the socket , since it...
asked by 09.11.2017 / 20:41
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System.InvalidOperationException: An entity object can not be referenced by multiple instances of IEntityChangeTracker

I'm doing a project on asp.net, web form, and I need help with this: System.InvalidOperationException:An entity object cannot be referenced by multiple instances of IEntityChangeTracker. This exception occurs when I try to add an element t...
asked by 14.08.2017 / 16:45
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Error ClassNotFoundException in the return

The error I find is using a class that inherits from AsyncTask on Android. Inside I use an object of my class User, it communicates with a server, it handles the data ... until I do the return and I skip this exception. The class is imported...
asked by 11.06.2017 / 19:21
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response.sendRedirect throws bug

I have a simple web page with jsp, when I close session use: request.getSession().invalidate(); response.sendRedirect(request.getContextPath() + "/index.jsp"); To delete the session and redirect to the main page. But if the user clicks b...
asked by 16.03.2017 / 18:08
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why can I save the rintong in URI with RingtoneManager.TYPE_RINGTONE? will permit problems?

Occupy Uri uriSoundDefault = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE); SharedPreferences.Editor editor = prefs.edit(); editor.putString("urime",uriSoundDefault.toString()); editor.apply(); to put the default...
asked by 11.11.2018 / 01:33
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How to avoid the time out in genexus

My problem is that the program shows me the following and in my code I have &location = getlocation('WsEgresos') &Location.Timeout=1200 &Location.CancelOnError = 2 someone can help me, what I want is to catch the except...
asked by 19.10.2018 / 01:19
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System.Net.WebException: Sharing violation on path

I'm creating an app in Xamarin for android that when you finish your task, create a PDF with iTextSharp. I have a problem since this app has a SignaturePad, it captures the signature and inserts it into the PDF. When I capture the signature...
asked by 20.09.2018 / 22:09
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Avoid with exception the interruption of the script due to failure of the connection or internet

Greetings I made the following script that brings me the states of the web through a txt file. I do not know if it's the fastest way but it works for me, the issue is that I do not know very well the issue of exceptions with socket. I have the t...
asked by 14.09.2018 / 23:52
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I have a problem, Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException

I'm doing an application on jframe and when I run it does not connect to my database and this exception comes out:    Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException     at sistemaventas.salesVer.setFilas (ventaVer.java:...
asked by 22.05.2018 / 00:31
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How to make my android library lower functional dependencies in the client project?

Well I want to tell you my problem. I made a library which is already in a maven repository and when I integrate the dependency of my library to an empty project, it is downloaded normally and integrated into the application, but there is a prob...
asked by 09.05.2018 / 16:45