Error While Importing Java Classes

I have Forms 6i and when i am trying to import Java classes i am getting the following error
"PDE-UJI001 FAILED TO START THE JVM".
i think i have not set the path and classpath properly.i am having Windows 2000 server as my OS. please help me how to solve this problem

The Java Importer tool needs the JDK 1.2.2 to be installed on
the machine to run properly. This JDK can be downloaded from the
Sun web site at http://www.sun.com
If there is no JDK 1.2.2, the Java Importer tool cannot be started.
Either that or its not being found in the classpath.
Regards
Grant Ronald
Forms Product Management

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0xfef80000      /lib/libthread.so.1
0xfef40000      /lib/libdl.so.1
0xfee10000      /lib/libc.so.1
0xfea00000      /opt/oracle/product/10g/jdk/jre/lib/i386/client/libjvm.so
0xfedd0000      /usr/lib/libCrun.so.1
0xfedb0000      /lib/libsocket.so.1
0xfe960000      /lib/libnsl.so.1
0xfed90000      /lib/libm.so.1
0xfedc0000      /usr/lib/libsched.so.1
0xfe900000      /lib/libm.so.2
0xfed40000      /lib/libscf.so.1
0xfe8e0000      /lib/libdoor.so.1
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from space 64K,   8% used [0xf1e90000, 0xf1e915c0, 0xf1ea0000)
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# Java VM: Java HotSpot(TM) Client VM (1.4.2_05-b04 mixed mode)
# An error report file has been saved as hs_err_pid27805.log.
# Please refer to the file for further information.
Abort (core dumped)

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Hi all
I made a java class that has methods to return Screen width and Height .
package tarek;
import java.awt.Dimension;
import java.awt.Toolkit;
public class Screen
Dimension dim ;
public Screen()
dim = Toolkit.getDefaultToolkit().getScreenSize();
public double getWidth()
double w = dim.getWidth();
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PACKAGE Screen /* tarek.Screen */ IS
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FUNCTION new RETURN ORA_JAVA.JOBJECT;
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FUNCTION getHeight(
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FUNCTION getWidth(
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Edited by: [email protected] on Dec 28, 2009 10:24 AM

Sarah, I ca not move my thread to JDeveloper because it is not java issue. The problem is with my PL/SQL code and the way I make Import Java class to forms Builder. The Java code is OK.
Andreas Thank you so much for replying. In fact I made a full compile "Ctrl+Alt+K". but still error
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NULL;
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---------------------------------------------------------------------------------

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Anuj

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