Questions tagged as 'java'

Tagged questions
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Problems when querying a table by a webservice

I made a web-service with find all the services when accessing the localhost in the browser but opening in SOAPUI and trying to make a query by all the following error occurs in SOAPUI? <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoa...
asked by 24.05.2016 / 21:46
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Association of several classes in Java

The project consists of a management system for a carrier, where an administrator manages trips, and these trips have drivers and trucks. I used association to relate the classes, but I'm having a hard time finalizing a method of checking the...
asked by 26.05.2016 / 01:50
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How to add scrollbar in JPanel?

I'd like to add a scrollbar to a JPanel that uses Absolute Layout. package Default; import javax.swing.JFrame; import javax.swing.border.EmptyBorder; import java.awt.Dimension; import javax.swing.JButton; import javax...
asked by 16.05.2016 / 23:31
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How to use JProgressBar in ArrayList comparison classes?

I have a class that compares two ArrayList , one with user-added information and one with database query. After the query is done, I send this object to another class that performs writing that data to a file. I would like for as long a...
asked by 17.05.2016 / 13:33
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Problem inserting data into the database

I'm trying to insert a mass of data into the Mysql database using Hibernate. However I have the following error: 18:15:30,221 ERROR [org.hibernate.tool.hbm2ddl.SchemaExport] (ServerService Thread Pool -- 59) HHH000388: Unsuccessful: INSERT INT...
asked by 27.04.2016 / 23:23
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PrimeFaces JSF - p: commandButton for update and oncomplete

I am trying to make a orderList and am having trouble setting the attributes in the commandButton update and oncomplete tag. I also do not know what their function is, but I know it does not work right if not configured right. Would someone clar...
asked by 04.05.2016 / 13:16
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Validate a Matcher

Good afternoon. I would like to know how to check if matcher found something. Because I am searching for information inside a PDF file and when it does not find anything I would like to have a condition that says "Information not found" w...
asked by 24.06.2016 / 19:11
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Failed to build Spring MVC application when setting bean AOP

I'm trying to set up AOP in spring.xml from my Spring MVC application, but I can not build it. I consulted the documentation, but following it did not succeed. The code is as follows: <beans xmlns="http://www.springframework.org/schem...
asked by 24.06.2016 / 15:55
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Help in java with concept of how to relate classes

package br.edu.utfpr.exer05; public class Porta { boolean aberta; String cor; double dimensaoX, dimensaoY, dimensaoZ; void abre() { this.aberta = true; } void fecha() { this.aberta = false; } void...
asked by 24.06.2016 / 19:10
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IllegalArgumentException error while displaying in-app data

I'm trying to display everything that was written to my app at runtime, but it displays the error below:    Unable to start activity ComponentInfo {com.project ....}:   java.lang.IllegalArgumentException: column '_id' does not exist Books...
asked by 21.07.2016 / 02:08