Questions tagged as 'java-ee'

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Problem connecting mysql with web java (GlassFish)

I am making a connection with java web and MySQL, with GlassFish server, but when making the configuration in http://localhost:4848/common/index.jsf in JDBC Connection Pools I get the following error: HTTP Status 500 - Internal Server E...
asked by 16.08.2017 / 23:32
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Create a .zip with several FileUpload Primefaces

I need to have several Drag and Drop and in the end create a .zip with all the files that are loaded in them. How can I perform this action since the listener fileUploadListener="# {fileUploadView.handleFileUpload}" is used in each one with i...
asked by 12.08.2017 / 01:09
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Error with hibernate, can not pass the login created?

I'm starting with hibernate, and in a JAVA WEB project that is with hibernate, JSP, springframewor I can not pass the login, where the following error occurs GlassFish Información: HHH000006: Autocommit mode: false Información: HHH000...
asked by 21.08.2017 / 22:25
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Java Web Application Task that runs from time to time

I am developing a Java Web application in which I have to make some tasks run every certain time, one of them is to calculate a few hours of a loan made (which is stored in database), if this loan already has the number of hours elapsed since it...
asked by 05.07.2017 / 18:05
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jaxws-maven-plugin error in java 1.8

I'm trying to make a client for a very simple Web service, a sum of 2 values, but when I try to use jaxws-maven-plugin with java 1.8 I skip a error in the POM and I am not able to solve it, I hope you can help me. Invocation of com.sun.to...
asked by 06.07.2017 / 18:16
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Inheritance management with Spring and JPA

Good morning I need to create a repository "B" from a repository "A" which should no longer be modified. I have some doubts about how to proceed since I am having an ambiguity error on my first attempt. I have my repository A: @Repositor...
asked by 04.07.2017 / 18:39
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Errors when converting a project to maven

I'm working with html, javascript, struts1, oracle11, jQuery, spring, tiles, etc ... And I have the following problem. Trying to convert it to maven project automatically with eclipse throws me the following error: Exactly the error...
asked by 13.06.2017 / 12:09
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Unable to import HttpServlet in IntelliJ Ultimate with JavaEE

I am trying to create an application with JavaEE in IntelliJ Ultimate. The plugin comes by default and is activated, but when it comes to importing import javax.servlet.* I do not see the library, does anyone know of any solution? Thanks....
asked by 30.05.2017 / 12:18
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What is Maven used for? Is it still used? [closed]

Good morning, I would like to know what Maven is used for or the advantages of using it if it is still used. Thank you very much     
asked by 20.05.2017 / 19:49
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Encoding Java shows non-readable characters

I am deploying a Java Servlet in Weblogic, The only drawback is that I am bad at encoding, it comes from a properties file (.properties) and it is UTF-8. When I execute it, it gives me the following output: link ��srjava.util.HashMap��...
asked by 18.04.2017 / 01:52