Questions tagged as 'java-ee'

Tagged questions
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How to properly declare Server Runtime dependency or provided by Wildfly in Gradle

I have a Java web project being developed to run on Wildfly, using the Eclipse IDE. This application uses JPA, JTA, JSF, and CDI at first, but will use other Java EE features in the future. The dependency control of this project is done by Gradl...
asked by 26.01.2015 / 17:12
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My List is not updated correctly with bank data

I have a dataTable and a button that selects the object on each line of dataTable . When I click this button a Dialog is opened with some data and a Send button, when I click on that button, the selected line is edited in the...
asked by 26.06.2015 / 13:29
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Slow Hibernate Search Index

This is a crosspost I did in stackoverflow in English. It is difficult to understand (and correct) this problem. I'll post it here to see if anyone in our community has ever been through this and knows what might be going on. What happ...
asked by 25.03.2014 / 02:27
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How do I get a list of Strings in a select from Struts2?

I have a select on my page that should have its value and its legend populated through a list of Strings that come from my Action. I'm sending the list correctly because I see the combo have the number of elements of the same size as the list...
asked by 14.02.2014 / 22:31
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"div loading" servlet

I have a screen that has the function of sending a file to the server via servlet but since this file can be large, I needed a panel or a div with a load gif. I'm using richfaces, already tried to use popupPanel , div and giv...
asked by 12.11.2014 / 19:17
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Authentication in Java EE

I'm developing an app whose client will be html5 + javascript (single-page-app) and the backend will be basically jax-rs + cdi + nosql (glassfish & orientdb). In this scenario, I need help defending how to authenticate users. User data is in...
asked by 07.05.2014 / 01:23
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If I use "provided" libs on the application server (wildfly), do I gain performance?

Imagine the following scenario. I have a WildFly 8.0.0 application server running with default settings from "factory". On this server I squeeze 4 simple web applications. These applications use some similar libs as: Spring Framework; Pr...
asked by 13.05.2014 / 22:04
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Partial object update / Do not update null values with JPA

I'm using JPA for a webservice, and I'm using Merge to update, but it updates all my object values, is there any way to perform a partial update of it? Example, only change values that are not null?     
asked by 08.09.2017 / 15:34
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Integration between R and Java

I'm working on a project and I have to integrate the language R with Java . Could you help me by indicating a good library or a Hello World code that does this integration?     
asked by 12.07.2016 / 21:04
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Doubt in query database, error in query

I'm doing a work on Java Web ticket sales system and I'm having a question in my code to bring this example data: No select query 3 fields from my table: source, destination and date the problem that is not bringing any data, was tested directl...
asked by 20.08.2015 / 21:13