Questions tagged as 'java-ee'

Tagged questions
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how to convert a string request.Parameter to integer [duplicate]

In a program that I have to do I came up with this difficulty Familia.setSalariodoPai(request.getParameter("salariodoPai")); But this request is returning a String and I would need Integer .obs this snippet is in a servlet doGet     
asked by 13.03.2016 / 06:25
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Create mask for fields

I am developing a system and in it I need to create mask for some fields, the problem that this system was started in a somewhat old version, I can not say for sure what it is but I will be posting some code to see if You can help me. I have...
asked by 28.11.2014 / 13:40
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Problems in hibernate update

I'm having some unforeseen issues with Hibernate in my application. I would like to know if the annotations implementations made in the java class are taken to the database or treated only inside the system, since I added...
asked by 23.02.2016 / 00:33
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Displaying error messages in a web application

I developed a simple web application to study some concepts related to Servlet among others. I mapped the web.xml file of my application to display página de erro if any exception occurs. Doubt: How best to display the...
asked by 04.04.2014 / 19:21
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Problem using Dialog Prime Faces

Good evening, I'm developing a simple CRUD using JSF, but I'm having trouble using the Prime Faces functions. I want to do insertions, changes and deletions through Dialogs ... but until now I could not use the functions ... the dialog do...
asked by 07.07.2014 / 02:23
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DataTable does not update immediately after the "action"

I have a DataTable with some data when I select a row of the table and click on the end of process this line is saved in my bank with the status Finalizado and Cargo of the logged in user, however that line only add from my...
asked by 15.06.2015 / 22:26
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Uploading files with Java

Good morning! I was trying to upload files, where I have a webpage that makes a request for my servlet. In the form of the page I have an input of type file and another one of type text. The coding mode of this form is as "multipart / form-data"...
asked by 31.01.2018 / 11:10
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Can not cast from Object to JSP

I am developing an application using JSP and servelt in which I want to get the total amount of records from my tb_motorist table, I created a servelt in which I passed the method that makes the query and created a session but when I get the ses...
asked by 13.09.2017 / 00:12
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Error in register "Do not recognize the property"

I'm studying Java EE and I came across a bug, if anyone knows the answer I appreciate it. I have my form: <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://xmlns.jcp.org/jsf/html" xmlns:f="http://xmlns.jcp.org/jsf/core"&g...
asked by 14.09.2017 / 07:14
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Error while serving servlet - Java 7 vs Java 8

I rented a VPS server and when trying to connect my android application with Java EE, I received the following message: type Exception report message app/server/CSelerServer : Unsupported major.minor version 52.0 (unable to load class app....
asked by 23.09.2016 / 21:17