Eclipse IDE for Java EE Developers - Tools for Java developers creating Java EE and Web applications, including a Java IDE, tools for Java EE, JPA, JSF, Mylyn, EGit and others.
Questions tagged [eclipse-jee]
84 questions
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Can I use Wildfly 14 with Eclipse Oxygen.3a
Could someone please tell me how to get the option of using wildfly 14 with eclipse oxygen? When I go to create a new server, it stops at wildfly 12 (fyi, I have installed wildfly 14).

Connor Butch
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Changing default server for Eclipse project
Running a project on eclipse on Tomcat Server. I have two tomcat versions installed namely 7.0 and 9.0.
I created two servers for the project. Stopped both servers.
I want to run the project on 9.0. So I started server 9.0
But when I right click…

tech_truman
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1 answer
Java EE with eclipse and Tomcat: Driver not found
I'm working on a Java EE project (configuration below) and I face what seems to be a regular exception: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver.
I'm working with Eclipse, an embedded Tomcat 7 and Maven, and even if the driver is…

slonepi
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1 answer
ERROR org.hibernate.property.BasicPropertyAccessor - IllegalArgumentException
I'm using XML mapping. I tried to make a many to many association between Invoice and Product (an invoice can contain many products and a product can belong to many invoices). My approach was to make an association called "InvoiceLine" that will…

engineering student
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When use thick client over thin client?
I need to write a utility program in JAVA that lets the user upload a file(spreadsheet etc.) and display it on the UI and later do some interaction on it and creates a template(flat file) out of it. It's more like mapping one format to another.…

yonikawa
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JBoss Wildfly 10 Ear deployment guide needed
I'm can't seem to find a rich source for configuring an JEE EAR deployment on WildFly 10. I'm still stuck defining the application.xml.
I have this doc - https://docs.jboss.org/author/display/WFLY8/Deployment+Descriptors+used+In+WildFly, and the…

Anne
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Maven + Ubuntu 16.04 + Eclipse JEE Neon: Corrupt configuration regarding org.apache.maven.plugin.war.WarMojo
After importing an existing Eclipse project into a Eclipse JEE Neon Workspace, Eclipse announces a Maven Configuration Problem regarding org.apache.maven.plugin.war.WarMojo.
Information regarding the environment:
Newly installed Ubuntu 16.04.
Newly…

jhead
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1 answer
Does the POM file configuration overwrite the default settings of Spring Tool Suite configuration?
After checking this link No Compiler is provided in this environment
I observed that POM file configuration is overwriting STS default settings. This might be the reason whenever project is run on server, it is generating the error as mentioned in…

Vivaswan
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Send data in the doPost() response?
I am a complete beginner in web programming. I created an application with Eclipse Java EE and a Tomcat server running in localhost.
The goal of the application is to get information from a client and send back other information.
I developped a…

Oxydroid
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1 answer
Why the contents of welcome page in jsp isn't loading?
i have made one project on E-Commerce using JSP technology of JEE, in that i have assigned a page named as home.jsp as a welcome page of my project. The page is located in the home_page folder of the Web Contents folder of my project. But when i run…

Atul Mittal
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distance between two countries with jsp
the following jsp file presents a code that gives users the distance between two countries using the google maps service, but the OkHttpClient / Request / JSONObject classes are not resolved to a type
I tried to import the classes but the problem is…
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How to unit test Ehcache 3.x cache object using Java? Any CODE samples?
How to unit test Ehcache 3.x cache object using Java? Any samples are good enough.
Java Class
import org.ehcache.*;
import org.ehcache.builder.*;
import org.ehcache.core.*;
Public class CacheClass{
private static CacheManager…
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3 answers
JPQL RIGHT JOIN Issue
I'm trying to select the same fields between two tables using RIGHT JOIN... I got the error message 'Path expected for join! [select P.cin,P2.cin from com.kachafa.domain.Participant as P RIGHT JOIN ParticipantTwo as P2 ON P.cin =: P2.cin]'
name 1st…

Haythem Nasri
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getUserPrincipal() returns null but only in certain circumstances
My program uses basic authentication. When the web page makes an ajax-based request to the security servlet getUserPrincipal returns null. But here is the twist. It only returns null on my local laptop connected via VPM. If I use the remote…

M B
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file properties not reconised in dynamic web project
I have a conf.properties in racine of webApplication and i have a method init in a class manageBDD to initialise parameters.
i call the method init in a servlet but the file is not reconised, when i call the method in the method main of class…

Nicolas Zanforlini
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