Questions tagged as 'java'

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Error retrieving object list (CSV) from web service

I'm having an error retrieving a list of CSV objects from the server. I'm using JSefa to serialize and deserialize Java Beans to CSV and implemented a MessageBodyWriter and Reader to do this conversion in the calls .. The detail is that I am...
asked by 06.09.2015 / 00:38
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How do I make a JDialog invisible when I have dispose in a specific frame?

A button in my application gives dispose to the current frame and creates a different one. But the JDialog that were open when I clicked the button still exist, which should not happen.     
asked by 05.09.2015 / 22:25
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Add new inputText to JSF page when you press a key

I have a form where I can have several registered codes, I would like to make only a inputText of start, if you need to enter more than one code I press a shortcut key and then another inputText appears below the first one and by t...
asked by 13.08.2015 / 22:12
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Problem getting Delphi DLL return with Java

I'm developing a system in java and a part of that system needs to get data coming from another system in Delphi. I created two functions one that returns a String and another that returns an int . The function that returns an int works...
asked by 06.07.2015 / 16:48
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Multiple Photos Upload JSF

I need to make a registration screen, where the user can choose up to 5 photos to save. I'm using JSF 2.2 I'd like to know the best way to do this, without using primefaces or richfaces , using a component type link , I tried to...
asked by 06.07.2015 / 16:06
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Sum of items when changing a record

I have 3 items Accessories, Tires and Vehicles, values are added to a maintenance screen that is the main one. The problem is that when it is to change just one of the items, the value added is just what I selected. But it is not updated with th...
asked by 02.07.2015 / 20:42
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MapReduce. Does not run the Reduce function correctly

Hello. I'm having a hard time working with MapReduce. Whenever I run the application I can not seem to get results, as the Map function apparently executes, but the Reduce function stays at 0%. When I check the files that were generated on th...
asked by 17.09.2015 / 22:11
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XML manipulation with Java JDOM

asked by 18.09.2015 / 01:05
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Get feedback from the keyword that was sent to Twitter Stream API on creating the Apache Storm topology

I'm developing a system that uses Apache Storm integrated with the Twitter4J library, to process tweets in real time. But I have a problem: Is there any way to know which keyword returned that tweet ? Example: //Palavras-chave para a cri...
asked by 16.09.2015 / 19:25
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Error fetching data from type Time from database

I am making a query but it is giving error when I try to get values of type Time. This is the error:    java.sql.SQLException: java.sql.SQLException: Bad format for Time   '13: 00: 00.000 'in column 5 The line that is firing the exception...
asked by 09.07.2015 / 20:40