JavaWs - Importing Two JNLP Files Into System Cache
May 8, 2014
Have an issue with deploying our application, which comes in two parts, with javaws . In our installer (which is coded in NSIS) we call javaws twice, each time referencing a different jnlp file. It looks like this:
javaws -wait -shortcut -import -system http://192.168.1.82/launch?[params]
javaws -wait -shortcut -import -system http://192.168.1.82/launch?[slightly different params]
Whichever jnlp file is second gets imported into System Applications. My guess is that it is overwriting the first imported application.
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May 4, 2015
How can I Cache the data I'm reading from a collection of text files in a directory using a TreeMap? Currently my program reads the data from several text files in a directory and the saves that information in a text file called output.txt. I would like to cache this data in order to use it later. How can I do this using the TreeMap Class? These are the keys,values: TreeMap The data I'd like to Cache is (date from the file, time of the file, current time).
import java.io.*;
public class CacheData {
public static void main(String[] args) throws IOException {
String target_dir = "C:Files";
String output = "C:Filesoutput.txt";
File dir = new File(target_dir);
File[] files = dir.listFiles();
[Code] ....
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May 25, 2014
I've been trying to write a program for some time now, but im encountering problems while trying to complete it. The program has a student class and a course class (set up with some info about the class, like #, professor name, course title, course time). Now, i have a text file in the workspace, and i have to import the data from the textfile, and thats just what i did, but then there is an option which allows the user to delete a course only by inputing the course number, and when he does that, the program outputs the course's name, and confirms the deletion of the course (From the student's record, i created a vector for that and imported all the courses from the text file). But how can i let the program know what's the name of the course when the user inputs the course number ???
When the data is read from the file, objects should be created and added to the student's course record. <- i think here's where i messed up ? i imported the data, but how can i actually make them objects before adding them into the vector ?
PHP Code:
public static void main(String[] args) throws IOException
{
Scanner scan = new Scanner(System.in);
Vector Record = new Vector();
try {FileReader filereader = new FileReader("CLASSES.txt");
BufferedReader bufferedreader = new BufferedReader(filereader);
String test = "";
while(test != null)
{
Record.addElement(test);
test = bufferedreader.readLine();
} mh_sh_highlight_all('php');
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May 18, 2015
I am running short code which will list files in specific directory on few systems which supposed to be look-alike (files cksum is the same).I would expect to have the next order:
1. CustomizationMapping.xml
2. CustomizationMapping.VVM.xml
3. CustomizationMapping.VW.xml
BUT WHATEVER I AM DOING I CANT HAVE SYSTEM-A TO BE THE SAME AS SYSTEM-B
system A:
# /usr/java/jre1.6/bin/java -classpath /var/tmp/findFiles.jar main
running
/usr/cti/conf/compas/common/parameters.xml
/usr/cti/conf/compas/common/contract.xml_forDebugOnly
/usr/cti/conf/compas/common/CustomizationMapping.VVM.xml
/usr/cti/conf/compas/common/CustomizationMapping.xml
/usr/cti/conf/compas/common/CustomizationMapping.VW.xml
/usr/cti/conf/compas/common/ErrorDescriptionMapping.xml
system B:
# /usr/java/jre1.6/bin/java -classpath /var/tmp/findFiles.jar main
running
/usr/cti/conf/compas/common/contract.xml_forDebugOnly
/usr/cti/conf/compas/common/ErrorDescriptionMapping.xml
/usr/cti/conf/compas/common/parameters.xml
/usr/cti/conf/compas/common/CustomizationMapping.xml
/usr/cti/conf/compas/common/CustomizationMapping.VVM.xml
/usr/cti/conf/compas/common/CustomizationMapping.VW.xml
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May 22, 2014
Let's say hypothetically you're making a huge program and use a lot of imports (ex import java.util). If you only need a few specific things from java.util, will it use more memory importing java.util.* compared to only importing lets say java.util.Scanner, java.util.ArrayList, etc. Basically does importing a whole package use more (if any at all) memory than only importing specific package parts?
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Jul 17, 2014
Whether it is possible to force the installation of JRE when trying to open JNLP file. It is quite often case when users try to run JWS application without JRE installed. The best option would be to force the installation or at least display some message with instructions. Perhaps there are different ways to handle this problem.
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Oct 13, 2014
I am writing a custom jnlp installer for downloading our applications. We are having difficulty to specify our own cache directory. The default Download Service is not taking the below property. I was wondering if we need to extend any of the jnlp api classes and write my own. System.setProperty( "deployment. user.cachedir", "C://Users//f355668//AppData//Roaming//WorkBench//" );
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Mar 29, 2015
Started ok i guess? But when it comes to the save and get methods im totaly lost.. (See the code)
import java.util.HashMap;
public class Model {
HashMap<Integer,Long> m = new HashMap<Integer,Long>();
Integer value;
Long result = 2 * computePower(value-1);
public long computePower(int value){
if(value <= 0 )
[Code] .....
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Dec 19, 2013
When we have a property in the jnlp file that has accented characters (i.e. Mañana), the System.getProperty() call is returning null. This is working fine with Java 7 Update 40, and accented characters in the <information> section of the jnlp file are working fine under Java 7 Update 45, but not in the <resources> section.
Here is an example:
<property name="jnlp.title" value="Mañana"/>
System.getProperty("jnlp.title") returns null
Is there a workaround?
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Feb 23, 2015
I am trying to export Solaris Display on Linux and trying to launch JNLP.
I am trying to follow the instruction mention in the following URL.
[URL] .....
I would like use the property mentioned in the above article in JNLP file on client side .
I did following nothing is working.
1. <argument>awt.toolkit=sun.awt.motif.MToolkit </argument>
2. <property name="awt.toolkit" value="sun.awt.motif.MToolkit"/>
3. java-vm-args="-Dawt.toolkit=sun.awt.motif.MToolkit"
4. export AWT_TOOLKIT=MToolkit
How do i check JNLP client is using it?
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Jan 23, 2014
I can often write a recursive backtracking solution, but don't know how to cache the answers into an appropriate array.
For example:
Java Code:
public static int max(int[] costs, int index, int total, int shares) {
if(index >= costs.length) {
return total;
}
int buy = max(costs, index + 1, total - costs[index], shares + 1); // buy one stock
int sell = max(costs, index + 1, total + shares * costs[index], 0); // sell all stocks
return Math.max(total, Math.max(buy, sell)); // compares between buy, sell, and doing nothing
} mh_sh_highlight_all('java');
This is a dynamic programming exercise, but I have no idea what dimensions the dp array should be (I was thinking maybe dp[index][total][shares], but that seemed like overkill). Is this just because my understanding of recursion isn't solid enough or am I missing something else?
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Feb 26, 2014
I am generating java script tag and javascript code in servlet and displaying it in each jsp page. i include this in every jsp in my application. I am preparing the following javascript content and diplayin each jsp
<script type="text/javascript"> BOOM.addVar (clientId = SOME universal unique ID ) </script>
the clientid will be uniqueid it gets generated every time.
Here my question is, is there any possibility the clientId will be store in browser cache or third party cache server. if yes how to prevent clientId from cache.
I don't want to prevent the whole jsp file from cache. i just want to prevent only that particular field. so that i can use advantages cache and also prevent particular header field to be cached.
Also can we prevent particular http header attribute from cache.
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Oct 31, 2014
Our company has a web based project which using the Jboss EAP 6.1 +EJB 3.1 + JSF2 and deployed it in a cluster environment(Server A,Server B and Server C).We have created some schedule tasks by using EJB timer service and the timer data file is stored in a central file system.And users can login and access to a task configuration page to customise his own tasks by create,update,delete actions etc.But we find that the timers don't work correctly in the cluster environment.
For example.When we start the Servers(A,B,C),each server will load the timer file data into his own node cache from the central file system.But when one user go to the task configuration page to update or delete his own tasks from one of the Servers, it only update the change on its own node cache and don't replicate the timer data to other nodes' cache and which cause the problem.
I know there is one way to fix it is that we could shutdown the three Servers and re-boot them and the timer data file will be re-loaded into each server's cache. But we can't do that because the users want their own created/updated tasks take effect immediately once they change them.My question is that when the timer data in cache is updated on one server, how to make it synchronize to the other Servers'.
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Nov 30, 2014
I want to import an image to resize but not sure how to start of.Should I be using the "BufferedImage & ImageIO.read" method or the "paint(Graphics g) { Image img1 = Toolkit.getDefaultToolkit().getImage" method?
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Feb 18, 2014
I've got this annoying error message when trying to import:
import org.apache.commons.codec.binary.Hex.encodeHex;
"Import org.apache.commons.codec cannot be resolved", which after searching seems to be a somewhat common problem. The solution being to go to: FileUpload - Home and download some jar file and add it to the /web-inf/lib folder. yet the error persists even after adding the jar file in "add external jar files" and restarting eclipse.
The jar file I added is called "commons-fileupload-1.3.1.jar" which is the only one I could find in the zip file. I've searched around looking at numerous threads about the issue, several of them sadly several years old, with no success.Surely installing a library to eclipse shouldn't be this complicated?
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May 5, 2014
I have been working on project (developing web interface for generating dynamic reports)for that i have downloaded dynamic reports library and i want this library to be imported for my project to jsp page on netbeans 7.2 how can i do it?
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Aug 28, 2014
I want to import a PDF file into a database, The PDF will be pulled from an email.
The PDF file must be imported into a specific user's profile.
When the user logs into his profile the file must be visible to that person only.
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Sep 1, 2014
i am trying to calculate the number of months it takes to pay off a set amount of credit card debt given the following information: principle amount, annual interest rate, and monthly payment. How to import the formula necessary to system.out.print the answer (number of months it takes to pay off debt) ???
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May 11, 2014
When importing static members of a class. Why are they only accessible within the constructor of the calling class, and not outside of it? Here's the source code to understand my question.
package Certification;
public class ExamQuestion {
static public int marks ;
static public void print(){
System.out.println(100);
[Code] ....
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Oct 11, 2014
Ok so I know how to import a csv using java. What I'm curious about doing is importing a csv using file chooser, reading the data, sorting the data out by certain parameters, and then outputting a count of each parameter I chose. Say for example I have columns 1,2 and 3. Column 1 has the name, column 2 has the percentage, column 3 has an o'clock time. I want to use queries to sort through the parameters and have a count of each parameter I choose...
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Dec 10, 2014
I'm currently using TextPad or command prompt to compile and run my programs, and as usual I am not having any luck importing external libraries, in particular apache commons.
I couldn't see any particularly obvious settings in TextPad to set a library or class path (which is annoying as I really like the program), so I jumped back to cmd prompt to run it from there. Aaaaaand i don't understand .
This is my file structure at present:
/mainProject //includes .java and .class files, and where I've successfully placed .jar files before.
The apache commons zip file was extracted here, making:
/mainProject/commons-lang3/apidocs/orgs/apache/commons/<folders> //the commons-lang3 folder contains the jars I'm navigating to the /mainProject folder in cmd prompt and typing (amongst many other things) javac -cp /mainProject/commons-lang3 MonsterGame.java //with the -cp being pointed at the folder the .jar is in i've tried pointing it at the root folder where the import statement begins in the code (ie mainProject/commons-lang3/apidocs), tried moving the .jar files to the mainProject folder (pointing -cp at it) and more. No luck.
it seems everytime i try to import a new library something goes wrong..... its become a bit of a stumbling block to be honest. I seem to spend most of my time dealing with the 'administrative' side of coding (that was the politest way i could put it ), am I not doing it right?
I've read I'm supposed to include the .jar in the classpath, not just the directory. is this correct? (it still doesn't work...!)
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Aug 29, 2014
My question is How to write a program to implement concept of creating user defined packages and importing the same? How to solve it.
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Mar 11, 2014
I am new to work on JNLP program. I have created a SWING program, JNLP file when i deploy the ear file i am getting 404 error. Please find the steps in details.
1.Created a dynamic web project JWStartProject in eclipse
2.Create a HelloWorld.java class under default package.
import javax.swing.*;
public class HelloWorld extends JFrame {
private static final long serialVersionUID = 4968624166243565348L;
private JLabel label = new JLabel("Hello Java Web START!");
public HelloWorld() {
super("Jave Web Start Example");
this.setSize(350, 200);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
this.setLayout(null);
[Code] ....
Now I exported this project as JWStartProject.war contains following code.
Created Server in Websphere Admin console
Deployed this war file under the server and started.
I have added MIME types also.
I am unable to launch the application. I am getting 404 errors. May I know where I went wrong?
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Mar 12, 2015
1. Tried to use setLayout() but it wouldn't let me. Have imported libs
import javax.swing.*;
import java.awt.*;
but it doesn't work. It only worked when I extended a class with JFrame. Why do I have to do it? I already have a JFrame instance:
public test(){
JFrame frame = new JFrame();
frame.setTitle("Workshop");
frame.setBounds(500,300,400,300);
frame.setVisible(true);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
....
}
This code runs smooth, so it's confusing for me that it lets me create a JFrame object, and put buttons onto it, but it wants me to extend the class onto JFrame class in order to use a method.
2. I've read somewhere that AWT is old and should not be used anymore. Is there a diagram or a list with objects and properties that are manipulated only by Swing so that I could concentrate only on those? For example (made up list):
JPaper -
- width, setWidth(x)
- height, setHeight(x)
- position, setPosition(x,y)
- color, setBackground(RGBa)
- acquire, add(subordinate component)
- deprive, remove( subordinate comopnent)
- etc...
JSticker -
- width ...
- height ...
- write, setText(String)
- etc...
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Aug 3, 2014
import data from excel sheet into mysql database through a java program. How coding will be done in Core Java.
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Nov 25, 2014
importing values from a text file into a Binary Search Tree. Currently my tree is hard coded w/ values in the BTreePrinterTest Class.
BTreePrinter Class:
Java Code:
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
[code]...
My input text file will be in the following format, each row is 1 tree, each empty line between the rows means a new tree.Java Code:
80 45 14 1 2 3 4 51
2 4 7 8 9 6 3 4
1 2 3 4 5 6 7 9 mh_sh_highlight_all('java');
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