Questions tagged as 'java'

Tagged questions
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Spring Boot error 404

Hello, I'm studying Spring Mvc and Spring Boot and I came across the following problem that I have not been able to identify yet. After running my main method I get the following message. Whitelabel Error Page This application has no ex...
asked by 20.07.2016 / 02:32
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On jasper IReports, I need to order columns from the database to be displayed sorted in the report

The problem I already ordered by iReport id, query sql in the class of the client class, but my boss wants me to sort with one of Jasper's jars classes, I'm looking for no success. Has anyone gone through this? I just want to sort the report...
asked by 21.07.2016 / 14:57
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Variable File with output [Ljava.lang.String; @

When I do a Sysout of my File type variable, I get this output: [Ljava.lang.String;@3e92957f And my sysout looks like this: System.out.println(entrada.getPath() + " " + saida.getPath()); The funny thing is that in saida.getPath()...
asked by 14.06.2016 / 08:02
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Query in JPQL for insertion of Data

How can I insert data with JPQL containing values: @Query("insert into user values()") User insertUser(); Data:     username     emailUser     
asked by 16.08.2016 / 17:40
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Error in ListActivity, probably related to OnItemClickListener

I'm having a problem understanding what's going wrong in this code, I feel the problem may be related to the OnItemClickListener. When I try to emulate it it responds with a message like this: "Unfortunately, MyAplication has stopped.". pu...
asked by 13.08.2016 / 01:01
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Click the GridView photo and show in another Activity

I'm developing an app that contains a gallery and I found a tutorial that showed how to fill GridView with pictures taken from the camera. However, I'm having trouble doing something for when the photo is clicked, open an activity wi...
asked by 13.08.2016 / 20:23
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Log4J with multiple JVMs

Context In the project I am (production environment) has a server that is installed with 4 java applications, being: 1 deployed Jetty application 1 application in Tomcat 2 jar generated with Spring Boot framework All applications a...
asked by 21.06.2016 / 00:58
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Problem calling class inside Switch

I am developing a facul project that is a basic system for clinics. After the user logs in, he has chosen an option in the menu where the responsible class will be called. The problem that when I choose any menu option it again asks the user for...
asked by 20.06.2016 / 21:02
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How to implement the close button event on a screen?

When I create a screen in the Scene Builder in JavaFX, three buttons in the upper corner of the screen are as default: minimize , maximize , and close . My question How can I manipulate and implement the click event of the close (X)...
asked by 22.06.2016 / 19:39
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Format word if it's in a datatable

Given my datatable: Notice the word Atack . Is it possible to create a check that if this word is in the datatable it gets a different formatting? Ex: Make bold and the color is Blue.     
asked by 10.06.2016 / 20:58