Questions tagged as 'java'

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Problems creating a project in Eclipse Kleper with spring

When I created a project in Eclipse Kleper to use spring I generated a couple of errors, I read that installing Tomcat would not have problems but it still generates me.    Error 1: An internal error occurred during: "Validating Practice"....
asked by 08.02.2017 / 21:02
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error when downloading any file generated in java

I have a web application which I have deployed to a local server, I have two classes to generate pdf files and excel libraries that I am using are apache poi and itextpdf 5.4.3 when I test in my netbens works perfect generates the files and I ca...
asked by 15.03.2017 / 04:08
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Problems viewing data in JTable

Good afternoon, I have the following problem and I want to visualize all the data of an arrayList of type Counter, which is an object that I have created, and I do not know how to add all the counters to that table because I have only managed...
asked by 15.03.2017 / 13:23
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Fill combo box using Spring MVC

I'm starting with spring mvc and I would like to know how to fill select , I have seen examples on the Internet but they are not very clear, I do not know if there is a simple and clear way, I know that the form:options is used but...
asked by 14.03.2017 / 20:11
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Go through all the rows of a custom listview and get the values of their respective Textview

I have a custom list which is loaded with radiobuttons and textview, by selecting a radiobutton (Yes or No) the textview changes to a value, at the end of the list I have a button that when pressed will go through row by row the listview, gettin...
asked by 15.03.2017 / 11:59
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Checking the whole number does not work

I'm stack with the integer reading of this program ... When entering the measure of an array that I have left in NULL, I need the variable variable to be accepted only if it is a whole number, if not ignore this data and I will have to re-ent...
asked by 22.02.2017 / 07:42
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The module has not been deployed

Good afternoon, I've been studying the topic of persistence unit and running my application JEE does not execute it and sends me the following error:    GlassFish Server, deploy, null, false   C: \ Users \ PAVILION \ Documents \ NetBeansProje...
asked by 06.02.2017 / 19:18
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Eclipse Neon.2 with Vaadin 7.7 and Maven. (Error 404 not found)

I wanted to ask if someone had the same problem and how to solve it. When I do a new project with Eclipse of Vaadin 7 Maven , I run it in Jboss 7.0 and gives an error: 404 not found , On the other hand, if I start the project vaadin with...
asked by 10.02.2017 / 20:31
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Runnable + Difference of Dates + Person Starting with Android

I am currently starting with an Android course, and after learning how to handle XML, I am starting with Java. Well, you always try to reach more than you can cover and enjoy doing some application to have fun before seeing it in the course, my...
asked by 11.02.2017 / 16:37
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URL is not updated in browser

I would like to know the possible cause of the following problem: when accessing a URL and then entering one of the options, the browser does not reflect the current position within the site (it does not update the URL) ... I would like to know...
asked by 16.02.2017 / 13:19