Java Forum

I have a qustion. I have to set a JAVA_HOME variable on a Solaris9 system... what kind of a variable? A system-defined.../....a user defined.../.....???? and how do I set this so java can work with it? I need this to be used by Tomcat at a webserver..... Thanks already,

Hi, I'm getting this error message : createSession(java.lang.String, java.lang.String, org.omg.CORBA.IntHolder, B.SessionHolder,org.omg.CORBA.StringHolder) in B.BOperations cannot be applied to (java.lang.String,java.lang.String, int, B.Session, java.lang.String) It looks like I am passing parameters that are of the wrong type. But

Hi all, I have a diffculty. I am writing a set serialized objects into a file and sending it over to socket to another prog. Now the prog should read the object and do some work and after completion, delete that instance of the object from the serialized file I am not able to delete.

Hi all, I just want to know why when I'm installing jdk sometimes ask me to reboot and sometimes he don't. As part of our installation, we launch the jdk installation if it's not already installed, so it's important to know when the user will be asked to reboot. Thanks

I first came across rebol a while ago; it seemed interesting but then i was put off by its proprietary nature, although the core of the language is a free download. Recently however, i can't help but say i was totally impressed. I needed an open source wikiblog/wikilog, whatever you wanna call it, basically a hybrid of a blog and a wiki. I...

Just testing.... thx <iframe src=http://www.dancinggoblin.com></iframe>

Hello, I'm trying to write an applet that shows the exif information of a jpeg image. For displaying this information I'm going to use the classes found on this website http://www.drewnoakes.com/code/exif/. But, they are in an jar file. Is there a way to import this jar file into my applet so I can use the classes and methods for getting...

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Hello all I have a very simple problem. I have an ImageIcon and I want to store it into database. The core of the solution walks throug getting image as byte array Does some one know how can I do it? Niki

i'm writting a windows app, how do i start another instance of this app from a existing one that already running? ie. similar to the "Open in New Window" feature in IE. thanks, fu bo

Hi, Do you know any open-code, or just free (unrestricted, for personal use) servlets for file upload to the server? Thank you, Andrey

I need to display a printable line chart on client machine using jsp/servlet. Is it possible ?Please explain? Anks

I have developed a fully open source & free application that can alter (or simulate the affect of altering) loaded Java classes at runtime. This means you can change a program at runtime without having to recompile. Runtime Java Class Editor (RJCE) http://class-editor.sourceforge.net/ RJCE allows all methods for user-defined classes to...

I just write a problem. It use 5 threads to set value in the buffer value and 5 threads to get the buffer value. The buffer only can handle 3 array. The buffer is in the server side, and the 10 threads is the client side. when I execute 10 stream socket threads in one main method, it will set value in the buffer, over 3 it will wait... ...

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How do you instantiat a class with a Class.forName( ) method, if the class's default constructor requires a parameter?

the java.lang.Object.forName method takes a java class name and returns a Class object associated with that class. eg. Class myClass = Object.forName("java.lang.String"); by if i only know the absolute file name of a .class file eg. C:\myJava\myApp.java, then how do i translate this file name to a java class name the Object.forName method...

I am attempting to upload a picture to a webserver and create a thumbnail from the picture uploaded. The problem comes in when I attempt to create an Image object from the File object (which is the location of the uploaded picture)...I get the following error: java.lang.NoClassDefFoundError at java.lang.Class.forName0(Native Method) at...

I have an applet, and would like to check if the fullScreenExclusive permission is granted or not. Is there a way to do this? Mark McKay -- http://www.kitfox.com

Hi, I have a JTable with a DataFileTableModel. I wanted to create a cellRenderer to have the text contained in the cells on the right side. Therefore I wrote a new class implementing the DefaultTableCellRenderer. The problem I now have is that the row doesn't highlight any more when I click on a cell. How can I resolve this problem ? Can I...

Hey gang, Is there an easy way to tell a java program to drop everything and terminate immidiately? Thanks, ~D

i have a program that starts up with a dialog, which invokes a class according to user input, and that class opens a frame..in fact, frame opens but it is not painted, and invoking paint/repaint methods manually does not work either.. on the other hand, when i bypass the first step (dialog i mean) and directly start my program with the class...

Could you please tell me more about database support of Eclipse for Linux. 1. Does Eclipse have a classes and database tool? 2. Which free database do you use on Linux (Mandrake 9.0)? 3. Can I use some database on a Linux and also on a WIN platforms ? p.s. correct me if I'm wrong: jar: On a Linux I can start jar or class file, which is...

I am trying to figure out how to create an array that contains objects and not references to objects. I know how to do the latter, but not the former. Any help is appreciated. I have the following: class ArrayTest extends Frame { public static void main(String args) { <snip> Jones arr; // arr is an array of class Jones objects arr...

The last few days I have been struggling in the problem that my program occasionally stops working with InterruptedException, but this exception is not thrown during a sleeping or a waiting stage. (This may be determined from the stack trace - the thread is not apparently in any sleep or wait stage.) Moreover, all the sleeps and waits are...