Good morning. I have a problem that I can not solve.
I'm developing my first Android app and I'm going to stumble over this error, SQLite can not work with Context. I did some research and found no solution.
I hope some charitable soul helps me...
I can not get the value of my selectOneRadio , it comes as null :
<p:dataTable id="exibePerguntas" var="questao" paginator="true"
rowsPerPageTemplate="2,3,5,10,12" paginatorPosition="bottom"
value...
I'm having a NullPointerException error while trying to return the data from a Fragment. The NPE error is fine in this line:
String comentarioFoto = fragment_obj.campoComentarioFoto.getText().toString();
See my activity code:
public class...
This error message is appearing to me
Herearethelinesthatgaveerror:publicclassHibernateUtil{privatestaticfinalSessionFactorysessionFactory=buildSessionFactory();privatestaticSessionFactorybuildSessionFactory(){try{Configurationconfiguration=n...
When using the ratings @Before and @After , it is giving nullpointer error.
Does anyone know what to say?
Follow the code:
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
impo...
I'm implementing an application where I need to display a list of Dogs (already registered in the DB) and allow clicking on an item in the list to display a new activy to edit the data.
The problem is that I'm getting a NullPointerException w...
Galera, you are my last salvation. I get this error javax.faces.el.EvaluationException: java.lang.NullPointerException when I try to register a client. My development experience is small, I'm developing this small system as a college work...
I am making a method to fetch the logged-in user from the database.
I'm having a NullPointerException in return of this method
@RequestMapping(value = "/usuarioLogado", consumes = MediaType.APPLICATION_JSON_UTF8_VALUE, method = RequestM...
I'm trying to implement the depth first algorithm to solve a labyrinth, like the one below, where the starting position is S and the output is E
_SW______\n
_WWW_W_WW\n
_____W__E\n
In the MazeReader class I read the .txt file for the Maze a...