JSP :: Eclipse Project Window Shows Error But Code Editor Shows No Error
May 22, 2014
For my jsp file, the code editor shows no error, but the projects window shows an error. I built my project again, cleaned the project, restart eclipse twice and summoned cthulhu. But my project still shows an error. How do I find the cause.
Eclipse project -
JSP file -
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="mine" uri="DiceFunctions"%>
[Code] ....
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Jan 3, 2015
//constructor
class Base
{
Base(int a) {
System.out.println("in base"+a);;
}
}
class Cons extends Base
[Code] .....
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Jan 15, 2014
I am using jdev12c. I tried to create the following class
package view;
import java.awt.Dimension;
import java.util.ListResourceBundle;
public class Resource extends ListResourceBundle {
protected Object[][] getContents() {
return new Object[][] = {
[Code] ....
The code is copied from java documentation ListResourceBundle (Java Platform SE 7 )
Looks like a documentation bug where "=" has to be removed
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Oct 1, 2014
It has no errors in it, but when it runs, it just doesn't show any output at all. Here's my code.
Fuel Class:
public class FuelGauge {
// Setting the gallons and the total amount of gallons
private int gallons;
final static int TotalGallons=15;
public FuelGauge(){
gallons=0;
}
// Initiate the number of gallons
public FuelGauge(int gallons){
[Code] .....
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Jan 2, 2015
I downloaded this code from Head First Java. But when I tried running it on Eclipse, it gives this error message.
import javax.sound.midi.*;
public class MiniMiniMusicApp { // this is the first one
public static void main(String[] args) {
MiniMiniMusicApp mini = new MiniMiniMusicApp();
mini.play();
[code]....
and this was the error message: Jan 02, 2015 8:10:36 PM java.util.prefs.WindowsPreferences <init>Could not open/create prefs root node Software Java SoftPrefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
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Apr 21, 2015
I am working on a program that accept input file from user and then from the input file, it count the occurrence for each words then put those result into the output. However, after I run this program, nothing shows up in the output file. It is totally empty...It seems nothing wrong with my code... Here is my code
import java.util.*;
import java.io.*;
public class occurance {
public static void main(String[] args){
String inputFileName="";
String outputFileName="";
if(args.length == 0){
[code]....
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Dec 16, 2014
Is there anyway i could clean this up. ??
package map;
import java.io.*;
import java.util.*;
public class Map {
public static void main(String[]args)throws Exception{
[Code] .....
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Apr 3, 2014
Java Code:
import java.awt.*;
import java.awt.event.*;
public class TestFrame extends Frame implements ActionListener {
static int i;
Frame fr;
Button b1,b2;
Image img[]=new Image[3];
[Code] .....
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Jul 1, 2014
I am working on a simple JAVA tutorial, not homework, where employee data is taken from an array and displayed on the console. The data is divided by department, age, name and for the Accounting and Information Systems departments, they are displayed in ascending order by employee age. Everything works except I am not getting the output to the console other than the titles. As I step through the debug, the data clearly is populating the array.
Here is my code:
Company Class:
package SimpleJavaAssignment;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.*;
[Code] .....
Prime Age Checker:
package SimpleJavaAssignment;
import java.math.*;
public class PrimeAgeChecker {
public boolean PrimeAgeChecker(int age) {
BigInteger bi = new BigInteger(String.valueOf(age));
boolean prime = bi.isProbablePrime(10);
return prime;
}
}
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Dec 3, 2014
My code is running via javaw on Windows 7 and XP. It sits in the background waiting for a barcode to be swiped, and then wakes up and asks a question. The trouble is that sometimes (definitely not always), it shows like this:
The code is:
public static void Question(String sTitle,String sLabel) {
JFrame window = new JFrame();
// Create a modal dialog
d = new JDialog(window, sTitle, true);
d.setLayout( new BoxLayout(d.getContentPane(),BoxLayout.Y_AXIS) );
JPanel p1 = new JPanel();
[Code]...
Initially I though it might because I had another thread running which occasionally put up announcement messages in JFrames. But I have taken this out and the problem still persists.
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Apr 28, 2014
When I open applications specially high graphics applications, the screen flashes with whole black display with a number of horizontal white lines then after 2 or 3 flashes it opens the desired program. What is the cause, is it low graphics memory, physically damaged screen or ?
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Jan 28, 2015
package Program1;
import java.util.Scanner;
public class Source1 {
[Code].....
using netbeans to debug the program but i'm not sure what I did wrong as it doesnt go past test 1
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Apr 13, 2014
Write a program that shows a square frame filled with 100 buttons labeled 1 to 100. Nothing needs to happen when you press any of the buttons. I keep getting errors i am a beginner.
import java.awt.Frame;
import javax.swing.JButton;
import javax.swing.JPanel;
class TestFrame extends Frame {
[Code] ...
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Feb 19, 2015
class Brain56
{
public static int[] get()
{
return null;
}
public static void main(String...a)
{
int k=1;
get()[k]++;
}
}
when i remove the increment operator(get()[k]) program shows invalid statement may i know the reason behind it?
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Aug 11, 2014
I created a new project at eclipse with this code pasted inside a domApli container in a java file, I tried to run it but it wont work,
package domApli;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Prg2 extends JFrame implements ActionListener{
JLabel lblNom;
JLabel lblEdad;
JTextField txtNom;
[code]...
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Jun 18, 2014
The error "cannot resolve to a variable". I get the error I just can't seem to fix the error.Presently I am working my way through the Oracle docs and that seems ok. Java for Dummies, Sams teach Yourself Java in 21 Days, plus my favorite Head First Java.
package tutorial;
import java.util.*;
public class HolidaySked {
BitSet sked;
public HolidaySked(){
sked = new BitSet (365);
int [] holiday = {1,15,50,148,185,246,281,
316,326,359};
for (int i = 0; i<holiday.length; i++){
addHoliday(holiday[i]);
[code]....
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Apr 5, 2014
I have written some error checking code
File name ErrorPage.jsp
<%@ page language="java" isErrorPage="true" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Error</title>
</head>
[code]...
I have put error.jsp and badpage.jsp file in public access folder that is web content in eclipsewhen I am running the code I am status code of 500 and not the errorpage.jsp message .
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Dec 18, 2014
I am suddenly facing error messages when launching my eclipse. Below are the eclipse logs:
!SESSION 2014-12-18 15:17:46.415 -----------------------------------------------
eclipse.buildId=M20130204-1200
java.version=1.8.0_25
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_IN
Command-line arguments: -os win32 -ws win32 -arch x86_64
!ENTRY org.eclipse.osgi 4 0 2014-12-18 15:17:48.105
[Code] ....
I have tried downloading and placing org.eclipse.swt-3.1.jar in the plugins folder of my eclipse and also I tried editing eclipse.ini file with below lines
openFile
-vm
C:Program Files (x86)Javajre1.8.0_25injavaw.exe
-vmargs
but nothing worked.
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Oct 28, 2014
I've got a problem in Eclipse. The below code is a part of my program, used for (re)starting a new game. The 'public static int' statement gives the error 'This method must return a result of type int'..
public static int playAgain(){
boolean validInput = false;
do {
System.out.println("Would you like to play a game? Please answer 'yes' or 'no'.");
String playAgain = input.next();
[Code] ....
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May 25, 2014
I am currently making a double linked list class in my compsci class. i was absent for a few days and i need to make an add method for the class. when i go to compile test code i made i get a null pointer error on line 36. This is the node class i wrote and the double linked list class i wrote.
node class
public class Node{
// Two references and Data
Node prev;
Node next;
String data;
public Node(){
prev = null;
next = null;
[Code] ....
This is the class i need working with ( in the doublelinkedlist class)
public void add(Node n){
if(isEmpty()){
first = n;
return;
}
Node temp = first;
while(temp != null){
temp = temp.getNext();
}
temp.setNext(n);
temp.setPrev(temp);
}
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Sep 3, 2014
I currently use Eclipse to maintain our Java application. I recently upgraded from Java 6 to Java 7. I updated my Eclipse projects to use the Java 7 .jar files. I can run the application from Eclipse via the Run Configuration.
I can also run the Ant build and it completes successfully. When I install the application on my desktop, I receive the "Java Virtual Machine Launcher: Could not find main class..." error. My CLASSPATH is set to ".".
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Feb 17, 2014
So I am finishing up a GUI that randomly rolls a dice and shows you the dice face from a file that I have on my computer. It compiles fine, but when I open the GUI and press the button "Roll" it gives me errors and does not display the images.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.Random;
[code]....
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Jan 14, 2015
I am pretty new to Java and I am working on a sample Search code from my textbook. I can't figure out why I am getting the following error because I copied the sample exactly as it is in the book. The error is illegal start of expression on the second to last line.
public class Search {
public static final int NOT_FOUND = -1;
public static int binarySearch( int [] a, int x )
{
int low = 0;
int high = a.length - 1;
int mid;
[code]....
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Apr 6, 2014
the system I am using is blue jay and java. my problem is that I have this error message pop up whenever I try to compile any of my 6 classes. Three of the classes are cities, 3 others are shops, and the final one is a inventory called Player. The following is the error code that appears when I try to compile class THshopB or class CityB.
method run in class CityB cannot be applied to given types;required: Player; found: no arguments; reason: actual and formal argument lists differ in length
A similar error occurs for the rest of my City and THshop classes,except it replaces the class CityB with CityA and occurs in class THshopA, replaces CityB with CityC when occurring in class THshopC.The public methods of CityB and THshopB are shown below, as I believe that something is wrong with the public method of one or the other. I have the code [CItyB.run();}] inside of class THshopB, and run is the part that gets the red highlight error described above.THshopB public method
[ public static void shop(Player inventory){
CityB.run();}]
CityB public method
[ public static void run(Player inventory){
THshopB.shop(inventory);]
All of my THshop classes are written in the same format, and all of my City classes are written in the same format,
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Jun 4, 2014
My issue is that when I run the code if I enter anything but 1, 2, or 3 the code breaks. I have spent hours trying to find the error. here is my code
import java.util.Scanner;
public class Tester {
public static void main(String[] args) {
/**
* constructor
* pre: none
* post: inherit values of other classes
*/
Car Car = new Car(); //inherits the properties of the Car class
Truck Truck = new Truck(); //inherits the properties of the Truck class
[code]....
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Mar 26, 2015
There are 2 methods and a main one. The first is a void that creates a 3x4 2d array and the second is to search for a value in the array, if found it will return the number of the row that contains that value. If not, it will return -1, but I am getting 1 error and 1 dead code warning.I will put comments at the lines that contain the problems
import java.util.Scanner;
class Question4{
public static void main(String[]args){
Scanner s = new Scanner(System.in);
int x,n;
System.out.println("Please input the value that will be used in the array");
x=s.nextInt();
System.out.println("What is the value you want to search for?");
n=s.nextInt();
createArray (x,n);
[code]....
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