Hello!I have been able to open the COM1 port and (i think ) write to it. However I don't quite understand how to receive data from the connected device (when it sends data). I have looked at the simpleread code, but don't understand some of its content. It had certain variables about sizes ...

Hello!I have been able to open the COM1 port and (i think ) write to it. However I don't quite understand how to receive data from the connected device (when it sends data). I have looked at the simpleread code, but don't understand some of its content. It had certain variables about sizes ...

the browsers on the computer can't run java pages anymore for some strange reason and the following log turns up on the desktop.... help please..euforx@gmail.com## An unexpected error has been detected by HotSpot Virtual Machine:## EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6d6c1f6c, ...

Getting "applet dominoactionbar notinited" error,

i have just reinstalled java...after it being corrupted, followed all instructions to the letter and guess what i have this lovely error java.lang.nullpointerexception.please does anyone know how to fix this? i have no idea ive spent hours trawling the net, removing java installing java ...

I am trying to learn inheritance but i can't seem to get it. Can someone please tell me why the following code doesn't work.Jim.java contains:abstract public class Jim{protected int number;public abstract int chat();}Joe.java contains:public class Joe extends Jim{public int chat(){number = ...

Hi All,The intention is to get rid of the cases, when OutOfMemoryError exception on Tomcat 5.0.28. The exception is thrown after some period of running (from several hours to days, depends on the load/usage model). We have several EJBs, created by servlets, which in turn called by the client. ...

HiI have written an Applet which was working fine initiallly with JRE 1.4.Then I tried the same with JRE 5.0.It gives some error....Again when I tried with 1.4 it threw following error....Can anyone explain what is it all about.Thank you...java.lang.UnsupportedClassVersionError: ...

Respected all Java Gurusi am new prof. giving a hand to java. i wrote a very basic prog. it is successfull complied but when i run it i reciver a error sayingException in Java.lang.NoClassDefFound. Please help me to sort out this problem. i will be thankful. ...

does anyone know how to disable the <html:checkbox ? it should be disabled based on some conditionthanks>

This program is one I am writing, not finished yet. I use bluej, and it has the little broken thing in the class box in the main screen. There are no syntactical errors, so it compiles fine. But this error thing is ANNOYING! Any help?import java.util.Random;//Import Random Number ...

Hello,I have got below error when i have run web application with JSP,Servlet,beans:I have used Tomacat 4.1, 5.0 and 5.9.No change ?I am using j2sdk1.4.2_03 and j2re1.4.2_03.This is the complete project i want to run in my PC when i extract .war file and run on my PC it's generate below error ...

HiI have 2 tables for eg: table a and table b with the same column name UOM...When i want to display my results on a jsp page using getColumn() then how can i differentiate between the two. I mean to get Table a column i wrote String a_var = getColumn("UOM");but then for table b how shud i get ...

HI IM having this java script error eveytime i go to a website i would like to either restore it and repair it somehow i need this fixed i try installing java dont work i dont want to use system restore right now its the default java script within windows i need fixed can someone plz tell me of ...

I'm new to Java. honestly most of the time i have no idea what i'm doing. I'm suppose to do a prog. about dice throwing simulation. I'm getting the following errors that i do not understand:DiceSimulation232.java:59: unreachable statement DiceSimulation232 DiceSimulation232 = new ...

Hi everyone I have this piece of code that i am using to open COM1, write, and read from it. Well the problem is I doubt if it actually writes to the port because when i run the program, it opens the port but there is no information to read at the port. I tested the port on hyperterminal and it ...

Error information: mg/mlStart server side stack trace:java.lang.NumberFormatException: mg/mlat java.lang.Integer.parseInt(Integer.java:409)at java.lang.Integer.parseInt(Integer.java:458)at ...

Start server side stack trace:java.util.NoSuchElementExceptionat java.util.StringTokenizer.nextToken(StringTokenizer.java:230)how to resolve this?my code is:string soem = st.nextToken();

helloI am compiling simple jsp page which contains a package and i am calling that package in jsp . While in that java file i am using jdbc connection with remote server that ia postgre server. While i am checkling that java code it works fine then i am copied that package to ...

how to print the values present in a List to output console?i mean system.out.println( ? );i want to know what values does a list has in order to debugeg: if i haveList pctList ;how system.out.println( what this shud be? );thanks

HiI am writing an application which takes a stream and converts it into an image with some manipuation on it.( zooming out the image.)I have set the zooming to 90% initially.But it throws the following errorjava.lang.OutOfMemoryErrorI want to catch this Exception,reduce the zoom size and do the ...

I cannot install Java at all on my PC. I knew my Java wasn't working, when I went to edit an EBay auction and none of the Java programs would work, so I had to put the auction in manually. I also cannot print from my AOL, play games, click on the delete link on Yahoo! email, and a few other ...

i'm new to using java so any help is usefullthe files are in the same directory, they are all named correctly. do i have to compile the java class file first or can i just point to it using a html as i am doing?this is the error message:load: class Scribble.class not ...

How do i fix this? It happends when I'm login in to my netbank account and it says I am about to download a certificate. Can anyone help me?

Hi all,Initially posted this in another forum section; hopefully I have it in the correct forum now, if not please advise.I抦 a local help desk tech here at a call center and we have a group of users with an annoying problem. It seems to affect users who are tasked with performing a certain ...

um im working on a simple project where i have to re-assign values to variableprogram goes as suchpublic class Excecrise_2{ public static void main ( String[] args ) { double X = 4.0; double Equation = (3*X -8*X + 4); System.out.println("At X: = " + X ); System.out.println("the value is: = " + ...

Recently i deployed an application to our jboss server and have been getting this error.exception ...

Hey pplTrying to use a List Iterator with a linked list.LinkedList knowledgeBase = new LinkedList();ListIterator iter = new knowledgeBase.ListIterator();and when i try to compileIEPL.java:147: package knowledgeBase does not existListIterator iter = new knowledgeBase.ListIterator(); ^I know the ...

how to print StringTokenizer or Iterator objects to console window using System.out.println() command?eg: StringTokenizer st = new StringTokenizer(arraylist, delimiter);system.out.println(st);when i directly put it in system.out statement like above it prints ...

Windows XP home SP2JRESE 1.5.0_05-b05Hello everyone,I tried searching for help on this "cannot find symbol" error, but sun keeps redirecting me to forums when I try to view a page other than the first on searches, so I'm sorry if this is answered elsewhere. (I couldn't look beyond the first ...

ok im a java newbie and need a bit of helpwhat im trying to do is take input from the user and send that to a class named cube where it takes the inputed value, and calculates the area and permpublic class CubeUser{public static void main (String[] args) throws IOException {BufferedReader input ...

Hi,I am trying to understand how jpcap works and I am using Eclipse IDE to run the Examples. I have included all the jars. when I run the program I am getting the following error. PacketCapture: loading native library jpcap.. okException in thread "main" java.lang.UnsatisfiedLinkError: ...

HelloI have a problemHere is my codeimport java.net.*;import javax.swing.*;import java.awt.image.*;public class Cursbnr extends JApplet{public JLabel EuroValue =new JLabel();public JLabel DolarValue =new JLabel();public JLabel GoldValue =new JLabel();JPanel EuroBar = new JPanel();JPanel ...

Hi all,I am required to do an indepth study on security-related exception handling in Java, their Pluses and minuses... Can ppl suggest me places where I can get a kick start? Any resource that u know can help me out? I appreciate ur help in this regard...FYI, I am a grad student and I am doing ...

I have write the class Aleatorio.java for implements an new method similar to Random and I have declared as follow:package java.util;public class Aleatorio extends Random {public int nextInt( int inferior , int superior ){int i;i=nextInt();i=inferior+(Math.abs(i) % (superior-inferior+1));return ...

Hello,I have some problem when I'm trying to start my java-program. Everything is going just fine until I'm trying to start the program. The error-message I get is:Exception in thread "main" java.lang.NoClassDefFoundErrorI've got my java-files on:c:\Programfiler\Java\jdk1.5.0_04My CLASSPATH: ...

hello, my problem is that when i want to open a picture in IE 6 with java 1.5 the window doesn't pop up and it wont opet the picture. this happened even before installing sun java, so i was thinking that installing it will solve the problem but no! and some images in IE doesn't show but there ...

Hello.I have a friend who is running a serialized server(EJB)-client(APPLET) program using weblogic. The server is upgraded to new version and thus the server's java runtime version is upgraded to 1.4, though the clients are still using 1.3.The program ran very fine before the server upgraded ...

HelloI have looked around, but cant get quite the answer I am after here. Please bare in mind that I am normally used to C/C++ so some of my terminology may be off...Basically I have this set of source files and .jar files for a project. I have succuessfully compiled the source files into ...

I have developed a new method called Aleatorio like than the book Programming java shows but when I try run the application same as learn in that book appears this message :Exception in thread "main" java.lang.SecurityException: Prohibited package name : java.utilI don't understand what happen ...

When running a swing application I get an undefined variable: this error when attempting to call the method addActionListener(), I can not see why I am getting this error as this is not a variable but rather a reserved wordimport javax.swing.*;import java.awt.*; import java.awt.event.*;public ...

I have a problem. Ever since I uninstalled norton my Java has been screwed up. About two months ago I update to the newest Java. But now my Java doesn't even work! I get that it can't find "jp150040[1].cab" I tried installing it offline and it worked but that Java still doesn't work. Here ...

I received the error below when trying to start an application that uses a wrapper over sun.java2d.SunGraphicsEnvironment (that works fine over Linux and Windows).I have not been able to figure out why this is failing.An unexpected exception has been detected in native code outside the ...

Hello all, my first post is for talking about this infamuos error of java.When i try to view a page that use Java for one of it's applet, the applet doesn't work and Java console report among other errors:Caused by: java.io.IOException: open HTTP connection failed.at ...

I have a package called jpb stored in a folder called jpb. The package has two files SimpleIO.java and Convert.java. My program has 1 of the line like this...import jpb.*;...I put the path and classpath in Jgraps pointing to the folder jpb but when I compile the program, it keeps saying the ...

Hi I have created a simple client server program . In the Client i give the server ip/name and port number in command line... but when i try to run the client on a port on which the server is not running .. the following message is generated....C:\Program Files\Java\jdk1.5.0_02\bin>java ...

I have installed Tertio ProvidentThis was developed with java and at the beginning I hve to connect to a server. I was not able to connect. On connection this error occurs:"Could not connect to the Provident Service Activation Server, class configured for Cipher: ...

I NEED HELP TO GO BACK TO MY POGO GAMES I DID EVERTHING IT TOLD ME TO DO AND I STILL CANT GET ON IT SAYS JAVA NOT FOUND OR NOT WORKING

Whenever I construct a new object with a static field or use a set method on any of the instances of that object, the static field will change to the last modification made. In the case of my program, whenever the static String color field is changed to the last modification made. This only ...

This is the code when i compile it i got Error message.Pl Solve this problme & tell me why i am getting this problemwhich is :-import javax.servlet.*;Dose not existimport javax.servlet.http.*;Dose not existimport java.io.*;import java.util.*;import javax.servlet.*;import ...