Posts by Danilo Silva • 9 points
8 posts
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viewsQ: I can’t solve No Persistence Provider for Entitymanager named
I searched on various forums, made all the suggestions I could find and still could not solve. I don’t know if it’s because of the archetype of the design, but it’s the pattern I’m using. Can…
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answers54
viewsA: Problem in the JSP Controller class
I was able to correct by making some changes. First in the Functionclass, where it was giving null return in the search: @Override public Funcionario buscarFuncionarioId(Funcionario funcionario)…
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answers54
viewsQ: Problem in the JSP Controller class
Hello, I need help, I have the problem in my system when I send an edit command. When I click on the edit button of the table row that I want, the screen turns white and does not show the options to…
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answer134
viewsQ: @joincolunm with foreignKey Hibernate
Hello I wanted to make a foreign key, but I don’t understand the syntax. In the Endereco class: @Embeddable @Table(name = "tab_endereco") public class Endereco { @Column(length = 40, nullable =…
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answers30
viewsQ: Create GRANT on condition
I have a DRIVER table (columns: name, cnh, address, dots_wallet) and a GRANT analyst. The analyst can only access data from drivers who have more than 0 points in the wallet. Grant select on…
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answer46
viewsQ: Commandbutton does not register in SQL
I’m having trouble with my code, when I register a new vehicle, it says that the vehicle is not being instantiated and is returning null. Follow my settings: LAYER DAO: public void adicionar(Veiculo…
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answers49
viewsQ: CSS not reflected in browser
I started a project in xhtml Primefaces, only when I make changes to the CSS it doesn’t change in the browser, only in the IDE. Browser design: Project in Eclipse IDE:…
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answer656
viewsQ: p:graphicImage does not display image
Guys I’m having trouble displaying an image within my project in a Data Table. Simply the image is blank. The system makes a query in the mysql database of the image directory to know which image…