Questions tagged as 'java'

Tagged questions
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Java Nullpointerexeption, schedule does not insert appointment

I have a project for college, a simple agenda, with no graphics or database. There are four classes: Contact, Commitment, Schedule and Test. In the Contact and Commitment classes we have only the basic variables and their constructors, getter...
asked by 06.11.2015 / 19:03
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Curl or WebService Running JavaScript

I'm having a chronic problem, so I need a CURL request to execute code in JavaScript as well. Generally, all posts and references point to the same answer, that curl has no ability to execute JavaScript code, however I have already found Java...
asked by 07.11.2015 / 16:29
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Error returning object after query

Good night everyone. Objective: The main goal is to get the user ID and the code of the simulation he answered, and display this on another screen after he responds to this simulation, however, I have exception when trying to perform a query...
asked by 07.11.2015 / 02:38
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How to send input from an app in java to a php file

How to send input from an android app written in java to a php file on the server? The file should save what the java code sent in a variable. How can I do this?     
asked by 08.11.2015 / 02:41
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SqlUpdate does not change data in the database [duplicate]

Note: Many people could not solve this question and they marked my question as wrongly duplicated because of an answer in another question similar to this but the answer does not help me at all . > I'm developing software for a MVC (Model-v...
asked by 27.10.2015 / 19:43
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[jersey-servlet]: com.sun.jersey.api.container.ContainerException: The ResourceConfig instance does not contain any root resource classes

I'm trying to upload application in WAS 8.5, however I'm taking this error when deploying, and with that the application does not run. WEB.XML <servlet> <servlet-name>jersey-servlet</servlet-name> <servlet-cla...
asked by 28.10.2015 / 12:42
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App in Android Studio with SQLite Java database

I'm developing an app that takes photos and saves them along with text written by the user in the SQL database. For now I can get it to take the picture and open the text box for the user to type, but I can not make it save that text along with...
asked by 28.10.2015 / 00:14
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The constructor Service (URL, QName, WebServiceFeature []) is undefined

I'm consuming a WebService in my Java application and am encountering the following error:   The constructor Service (URL, QName, WebServiceFeature []) is undefined public AnaliseCredito(URL wsdlLocation, WebServiceFeature ... features) {...
asked by 28.10.2015 / 13:38
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Import Android library into Java project: NoClassDefFoundError

I'm trying to import an Android library into a Java desktop project. But the library does not find any class that is related to import android.os . I'm having difficulty with the Handler android.os.Handler class. Any replaceme...
asked by 28.10.2015 / 21:20
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java error - Failed to validate the signature of the drive file

I'm getting the following error when uploading the application via jboss: JNLPSigningException[Falha ao validar a assinatura do arquivo de acionamento. A versão assinada não corresponde à obtida por download.] at com.sun.javaws.jnl.LaunchD...
asked by 29.10.2015 / 14:46