Applet to Applet communication in one browser process with 2 windows

Applet to Applet communication in Same IE process bu in different IE windows
I have two IE windows
(1) base window
(2) child window (created through wondow.open() and hence share the same IE process and same JVM)
Now I have two applets in one in base window and other is in child window and I want to do applet to applet communication. Since both applets are in different windows so AppletContext will not work and I tried to use custom AppletRegistory class to keep each Applet in static Hashtable. Now here comes the problem, Each applet gets different copy of this static Hashtable. i have tried hard to find the reason why a static varible has multiple copies running in the same JVM. Then my friend told me about something called class loader which is according to him is different for each window. I have tried this with two different iframes but in same window and it works fine and the reason being is that they share the same JVM. But why this fails for different windows althougt they also have same JVM?
I am using JRE v5 update 7 and IE6 on WIN XP SP2.
Thanks in advance..

Try this example :
Files used :
1). AppletCom.html
2). First.java
3). Second.java
1).AppletCom.html
<HTML>
<BODY bgcolor="#FFFFFF" link="#0000A0" vlink="#000080">
<LI><H2><I>Inter applet communication Applet</I></H2>
<applet code=First.class name="theFirst" width=250 height=100></applet>
<applet code=Second.class width=350 height=100></applet>
<BR>
Source First.java Second.java
<P>
<HR>
<i>Last updated 8/5/97 Martin Eggenberger</i>
<HR>
</BODY>
</HTML>
2). First.java
import java.awt.*;
<applet code="First" width="200" height="200">
</applet>
public class First extends java.applet.Applet {
//Variables for UI
Label lblOutput;
public void init() {
//Create the UI
add(new Label("The First applet."));
lblOutput = new Label("Click on a button in the Second applet.");
add(lblOutput);
public Color getcc()
return Color.pink;
public String getnm(int a,int b)
int cnt=a+b;
String str;
str="Sum is :_________"+cnt;
return str;
public boolean handleEvent(Event event) {
if ("One".equals(event.arg)) {
lblOutput.setText("You clicked: One");
return true;
} else if ("Two".equals(event.arg)) {
lblOutput.setText("You clicked: Two");
return true;
} else if ("Three".equals(event.arg)) {
lblOutput.setText("You clicked: Three");
return true;
return super.handleEvent(event); }
3). Second.java
import java.awt.*;
import java.applet.*;
<applet code="Second.java" width="200" height="200">
</applet>
public class Second extends java.applet.Applet {
//Declare the UI variables
Button btnOne;
Button btnTwo;
Button btnThree;
Applet f;
Label lb;
public void init() {
//Build the UI
btnOne = new Button("One");
add(btnOne);
btnTwo = new Button("Two");
add(btnTwo);
btnThree = new Button("Three");
add(btnThree);
lb=new Label("SUNO RE KAHANI TERI MERI SHHHHHHH");
add(lb);
setLayout(new FlowLayout());
// lb.setSize(100,100);
public boolean handleEvent(Event event) {
if (event.id == Event.ACTION_EVENT && event.target == btnOne) {
f = getAppletContext().getApplet(new String("theFirst"));
First applet1=(First)f;
// int cnt=applet1.givenum(22,25);
// String str="Sum is:"+cnt+" Fine";
String str=applet1.getnm(22,25);
lb.setText(str);
Color cl=applet1.getcc();
setBackground(cl);
return f.handleEvent(event);
} else if (event.id == Event.ACTION_EVENT && event.target == btnTwo) {
f = getAppletContext().getApplet(new String("theFirst"));
return f.handleEvent(event);
} else if (event.id == Event.ACTION_EVENT && event.target == btnThree) {
f = getAppletContext().getApplet(new String("theFirst"));
return f.handleEvent(event);
return super.handleEvent(event);
I had this example, so i am sharing it as it is.. instead of giving you any link for tutorial... hope this helps.
Regards,
Hiten

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native lib path C:\Program Files\Java\jre1.6.0_03\lib\ext*** Jtrace: nspr4.dll under C:\Program Files\Java\jre1.6.0_03\lib\ext\ielib is set to PATH
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*** Jtrace: Process event to native browser: 0, 5,
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*** Jtrace: Process event to native browser: 0, 4,
*** Jtrace: Send data to socket: 0,4,0,36,1000,464</html><body></html>
*** Jtrace: Read data from socket: 0,3003</html><body></html>0,3022,back=0</html><body></html>0,3022,forward=0</html><body></html>
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*** Jtrace: Process event from native browser: 0, 3003, null
*** Jtrace: Got a complete short message: 0,3022,back=0
*** Jtrace: Process event from native browser: 0, 3022, back=0
*** Jtrace: Got a complete short message: 0,3022,forward=0
*** Jtrace: Process event from native browser: 0, 3022, forward=0
*** Jtrace: Read data from socket: 0,3024,Waiting for about:blank...</html><body></html>0,3022,back=0</html><body></html>0,3022,forward=0</html><body></html>
*** Jtrace: Got a complete short message: 0,3024,Waiting for about:blank...
*** Jtrace: Process event from native browser: 0, 3024, Waiting for about:blank...
*** Jtrace: Got a complete short message: 0,3022,back=0
*** Jtrace: Process event from native browser: 0, 3022, back=0
*** Jtrace: Got a complete short message: 0,3022,forward=0
*** Jtrace: Process event from native browser: 0, 3022, forward=0
*** Jtrace: Read data from socket: 0,3023,about:blank</html><body></html>0,3004</html><body></html>0,3024,Done</html><body></html>0,3005</html><body></html>0,3023,about:blank</html><body></html>0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3023,about:blank
*** Jtrace: Process event from native browser: 0, 3023, about:blank
*** Jtrace: Got a complete short message: 0,3004
*** Jtrace: Process event from native browser: 0, 3004, null
*** Jtrace: Got a complete short message: 0,3024,Done
*** Jtrace: Process event from native browser: 0, 3024, Done
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Got a complete short message: 0,3023,about:blank
*** Jtrace: Process event from native browser: 0, 3023, about:blank
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3042
*** Jtrace: Dispatch event from NativeEventThread: 3003
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Back State changed = false
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Forward State changed = false
*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Back State changed = false
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Forward State changed = false
*** Jtrace: Dispatch event from NativeEventThread: 3023
*** Jtrace: Dispatch event from NativeEventThread: 3004
*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Dispatch event from NativeEventThread: 3023
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3001,http://www.calpinetech.com/</html><body></html>
*** Jtrace: Got a complete short message: 0,3001,http://www.calpinetech.com/
*** Jtrace: Process event from native browser: 0, 3001, http://www.calpinetech.com/
*** Jtrace: Dispatch event from NativeEventThread: 3001
*** Jtrace: URL = http://www.calpinetech.com/
*** Jtrace: Send data to socket: @0,3001,0</html><body></html>
*** Jtrace: Read data from socket: 0,3003</html><body></html>0,3024,Done</html><body></html>0,3003</html><body></html>
*** Jtrace: Got a complete short message: 0,3003
*** Jtrace: Process event from native browser: 0, 3003, null
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*** Jtrace: Got a complete short message: 0,3024,Done
*** Jtrace: Process event from native browser: 0, 3024, Done
*** Jtrace: Dispatch event from NativeEventThread: 3024
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*** Jtrace: Process event from native browser: 0, 3003, null
*** Jtrace: Dispatch event from NativeEventThread: 3003
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*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
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*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
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*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3024,Waiting for http://www.calpinetech.com/...</html><body></html>
*** Jtrace: Got a complete short message: 0,3024,Waiting for http://www.calpinetech.com/...
*** Jtrace: Process event from native browser: 0, 3024, Waiting for http://www.calpinetech.com/...
*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Read data from socket: 0,3022,back=0</html><body></html>0,3022,forward=0</html><body></html>
*** Jtrace: Got a complete short message: 0,3022,back=0
*** Jtrace: Process event from native browser: 0, 3022, back=0
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Back State changed = false
*** Jtrace: Got a complete short message: 0,3022,forward=0
*** Jtrace: Process event from native browser: 0, 3022, forward=0
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Forward State changed = false
*** Jtrace: Read data from socket: 0,3022,back=0</html><body></html>0,3022,forward=0</html><body></html>0,3022,back=0</html><body></html>0,3022,forward=0</html><body></html>0,3023,about:blank</html><body></html>0,3004</html><body></html>
*** Jtrace: Got a complete short message: 0,3022,back=0
*** Jtrace: Process event from native browser: 0, 3022, back=0
*** Jtrace: Got a complete short message: 0,3022,forward=0
*** Jtrace: Process event from native browser: 0, 3022, forward=0
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Back State changed = false
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Forward State changed = false
*** Jtrace: Got a complete short message: 0,3022,back=0
*** Jtrace: Process event from native browser: 0, 3022, back=0
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Back State changed = false
*** Jtrace: Got a complete short message: 0,3022,forward=0
*** Jtrace: Process event from native browser: 0, 3022, forward=0
*** Jtrace: Dispatch event from NativeEventThread: 3022
*** Jtrace: Forward State changed = false
*** Jtrace: Got a complete short message: 0,3023,about:blank
*** Jtrace: Process event from native browser: 0, 3023, about:blank
*** Jtrace: Dispatch event from NativeEventThread: 3023
*** Jtrace: Got a complete short message: 0,3004
*** Jtrace: Process event from native browser: 0, 3004, null
*** Jtrace: Dispatch event from NativeEventThread: 3004
*** Jtrace: Read data from socket: 0,3023,Calpine Technologies</html><body></html>
*** Jtrace: Got a complete short message: 0,3023,Calpine Technologies
*** Jtrace: Process event from native browser: 0, 3023, Calpine Technologies
*** Jtrace: Dispatch event from NativeEventThread: 3023
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3024,Waiting for http://www.calpinetech.com/...</html><body></html>
*** Jtrace: Got a complete short message: 0,3024,Waiting for http://www.calpinetech.com/...
*** Jtrace: Process event from native browser: 0, 3024, Waiting for http://www.calpinetech.com/...
*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3024,Waiting for http://www.calpinetech.com/...</html><body></html>
*** Jtrace: Got a complete short message: 0,3024,Waiting for http://www.calpinetech.com/...
*** Jtrace: Process event from native browser: 0, 3024, Waiting for http://www.calpinetech.com/...
*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Read data from socket: 0,3024,Waiting for http://www.calpinetech.com/...</html><body></html>
*** Jtrace: Got a complete short message: 0,3024,Waiting for http://www.calpinetech.com/...
*** Jtrace: Process event from native browser: 0, 3024, Waiting for http://www.calpinetech.com/...
*** Jtrace: Dispatch event from NativeEventThread: 3024
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Dispatch event from NativeEventThread: 3005
*** Jtrace: Read data from socket: 0,3005</html><body></html>
*** Jtrace: Got a complete short message: 0,3005
*** Jtrace: Process event from native browser: 0, 3005, null
*** Jtrace: Process event to native browser: 0, 15,
*** Jtrace: Send data to socket: 0,15,</html><body></html>
*** Jtrace: Read data from socket: 0,3061,<HTML xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>Calpine Technologies</TITLE>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1"><LINK href="css/home_layout.css" type=text/css rel=stylesheet>
<SCRIPT src="Scripts/AC_RunActiveContent.js" type=text/javascript></SCRIPT>
</HEAD>
<BODY>
<CENTER>
<DIV id=main>
<DIV id=topnavigation align=left>
<DIV class=fontboldgray id=topnavigationinner>
<DIV align=left>  HOME    |    ABOUT US   |    SOLUTIONS    |    OUTSOURCING   |   CAREERS    |  HOW WE WORK   |  CONTACT US   |    LOGIN    </DIV></DIV>
<DIV id=topnavigationicons align=right><IMG height=18 src="images/top_icon.gif" wi</html><body></html>_head
*** Jtrace: Got a head message piece: <HTML xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>Calpine Technologies</TITLE>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1"><LINK href="css/home_layout.css" type=text/css rel=stylesheet>
<SCRIPT src="Scripts/AC_RunActiveContent.js" type=text/javascript></SCRIPT>
</HEAD>
<BODY>
<CENTER>
<DIV id=main>
<DIV id=topnavigation align=left>
<DIV class=fontboldgray id=topnavigationinner>
<DIV align=left>  HOME    |    ABOUT US   |    SOLUTIONS    |    OUTSOURCING   |   CAREERS    |  HOW WE WORK   |  CONTACT US   |    LOGIN    </DIV></DIV>
<DIV id=topnavigationicons align=right><IMG height=18 src="images/top_icon.gif" wi
*** Jtrace: Read data from socket: 0,3061,dth=60 useMap=#Map border=0> <MAP id=Map name=Map><AREA shape=RECT coords=43,0,60,12 href="#"><AREA shape=RECT coords=21,0,38,12 href="#"><AREA shape=RECT coords=0,0,17,12 href="#"></MAP></DIV></DIV>
<DIV id=login style="DISPLAY: none; Z-INDEX: 3; OVERFLOW: hidden; PADDING-TOP: 4px; POSITION: absolute">
<DIV id=logindiv>
<FORM style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px" name=loginfrm action=# method=post ?>
<TABLE class=logintable width="100%">
<TBODY>
<TR>
<TD vAlign=top align=right colSpan=2><A onclick="overlayclose('login'); return false" href="#"><IMG src="images/n.gif" border=0></A></TD></TR>
<TR>
<TD class=logintext align=right>USER ID </TD>
<TD align=left><INPUT name=userName></TD></TR>
<TR>
<TD class=logintext align=right>PASSWORD </TD>
<TD align=left><INPUT type=password value="" name=password><INPUT type=hidden value=Login name=login></TD></TR>
<TR>
<TD align=middle></TD>
<TD align=left><IMG style="CURSOR: hand" onclick="return va</html><body></html>_middle
*** Jtrace: Got a middle message piece: dth=60 useMap=#Map border=0> <MAP id=Map name=Map><AREA shape=RECT coords=43,0,60,12 href="#"><AREA shape=RECT coords=21,0,38,12 href="#"><AREA shape=RECT coords=0,0,17,12 href="#"></MAP></DIV></DIV>
<DIV id=login style="DISPLAY: none; Z-INDEX: 3; OVERFLOW: hidden; PADDING-TOP: 4px; POSITION: absolute">
<DIV id=logindiv>
<FORM style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px" name=loginfrm action=# method=post ?>
<TABLE class=logintable width="100%">
<TBODY>
<TR>
<TD vAlign=top align=right colSpan=2><A onclick="overlayclose('login'); return false" href="#"><IMG src="images/n.gif" border=0></A></TD></TR>
<TR>
<TD class=logintext align=right>USER ID </TD>
<TD align=left><INPUT name=userName></TD></TR>
<TR>
<TD class=logintext align=right>PASSWORD </TD>
<TD align=left><INPUT type=password value="" name=password><INPUT type=hidden value=Login name=login></TD></TR>
<TR>
<TD align=middle></TD>
<TD align=left><IMG style="CURSOR: hand" onclick="return va
*** Jtrace: Read data from socket: 0,3061,lform();" src="images/login.gif" name=login></TD></TD></TR></TBODY></TABLE></FORM></DIV></DIV>
<DIV id=left>
<DIV id=logocontainer>
<DIV id=leftsidepadding align=left><A href="index.php"><IMG height=49 alt=Calpine src="images/logo.gif" width=245 border=0></A></DIV></DIV>
<DIV id=left>
<DIV id=aboutcalpine>
<DIV id=leftsideaboutcalpine align=left><SPAN class=fontbold>About Calpine </SPAN><BR><SPAN class=font>Calpine technologies is a company specialized in custom software development, web design, Internet /Intranet applications and consulting services. The company has potential and experience in development of complex solutions for its customers. Calpine provides Exceptional Solutions at an Exceptional Price.</SPAN><BR><BR></DIV></DIV>
<DIV id=search>
<DIV class=fontbold id=leftsidesearch align=left>Search Site<BR>
<DIV id=input><INPUT class=input name=textfield> <IMG height=17 src="images/go.gif" width=23></DIV>
<DIV id=input><SPAN class=font>Advanced Search</SPAN></DIV></DIV></DIV>
<DIV id=search></html><body></html>_middle
*** Jtrace: Got a middle message piece: lform();" src="images/login.gif" name=login></TD></TD></TR></TBODY></TABLE></FORM></DIV></DIV>
<DIV id=left>
<DIV id=logocontainer>
<DIV id=leftsidepadding align=left><IMG height=49 alt=Calpine src="images/logo.gif" width=245 border=0></DIV></DIV>
<DIV id=left>
<DIV id=aboutcalpine>
<DIV id=leftsideaboutcalpine align=left><SPAN class=fontbold>About Calpine </SPAN><BR><SPAN class=font>Calpine technologies is a company specialized in custom software development, web design, Internet /Intranet applications and consulting services. The company has potential and experience in development of complex solutions for its customers. Calpine provides Exceptional Solutions at an Exceptional Price.</SPAN><BR><BR></DIV></DIV>
<DIV id=search>
<DIV class=fontbold id=leftsidesearch align=left>Search Site<BR>
<DIV id=input><INPUT class=input name=textfield> <IMG height=17 src="images/go.gif" width=23></DIV>
<DIV id=input><SPAN class=font>Advanced Search</SPAN></DIV></DIV></DIV>
<DIV id=search>
*** Jtrace: Read data from socket: 0,3061,
<DIV class=fontbold id=leftsideevents align=left>Upcoming Event <BR><BR><SPAN class=font>See us at these upcoming shows</SPAN><BR><IMG height=51 src="images/upcoing.gif" width=193 border=0></DIV></DIV></DIV></DIV>
<DIV id=domain>
<SCRIPT type=text/javascript>
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0','width','513','height','124','src','images/banner','quality','high','pluginspage','http://www.macromedia.com/go/getflashplayer','wmode','opaque','movie','images/banner' ); //end AC code
</SCRIPT>
<OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0 height=124 width=513 classid=clsid:d27cdb6e-ae6d-11cf-96b8-444553540000><PARAM NAME="_cx" VALUE="13573"><PARAM NAME="_cy" VALUE="3281"><PARAM NAME="FlashVars" VALUE=""><PARAM NAME="Movie" VALUE="images/banner.swf"><PARAM NAME="Src" VALUE="images/banner.swf"><PARAM NAME="WMode" VALUE="Opaque"><PARAM NAME="Play" VALUE</html><body></html>_middle
*** Jtrace: Got a middle message piece:
<DIV class=fontbold id=leftsideevents align=left>Upcoming Event <BR><BR><SPAN class=font>See us at these upcoming shows</SPAN><BR><IMG height=51 src="images/upcoing.gif" width=193 border=0></DIV></DIV></DIV></DIV>
<DIV id=domain>
<SCRIPT type=text/javascript>
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0','width','513','height','124','src','images/banner','quality','high','pluginspage','http://www.macromedia.com/go/getflashplayer','wmode','opaque','movie','images/banner' ); //end AC code
</SCRIPT>
<OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0 height=124 width=513 classid=clsid:d27cdb6e-ae6d-11cf-96b8-444553540000><PARAM NAME="_cx" VALUE="13573"><PARAM NAME="_cy" VALUE="3281"><PARAM NAME="FlashVars" VALUE=""><PARAM NAME="Movie" VALUE="images/banner.swf"><PARAM NAME="Src" VALUE="images/banner.swf"><PARAM NAME="WMode" VALUE="Opaque"><PARAM NAME="Play" VALUE
*** Jtrace: Read data from socket: 0,3061,="-1"><PARAM NAME="Loop" VALUE="-1"><PARAM NAME="Quality" VALUE="High"><PARAM NAME="SAlign" VALUE=""><PARAM NAME="Menu" VALUE="-1"><PARAM NAME="Base" VALUE=""><PARAM NAME="AllowScriptAccess" VALUE=""><PARAM NAME="Scale" VALUE="ShowAll"><PARAM NAME="DeviceFont" VALUE="0"><PARAM NAME="EmbedMovie" VALUE="0"><PARAM NAME="BGColor" VALUE=""><PARAM NAME="SWRemote" VALUE=""><PARAM NAME="MovieData" VALUE=""><PARAM NAME="SeamlessTabbing" VALUE="1"><PARAM NAME="Profile" VALUE="0"><PARAM NAME="ProfileAddress" VALUE=""><PARAM NAME="ProfilePort" VALUE="0"><PARAM NAME="AllowNetworking" VALUE="all"><PARAM NAME="AllowFullScreen" VALUE="false">
<embed width="513" height="124" src="images/banner.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" wmode="opaque" type="application/x-shockwave-flash" ></embed></OBJECT><NOSCRIPT>
<embed src="images/banner.swf" wi</html><body></html>_middle
*** Jtrace: Got a middle message piece: ="-1"><PARAM NAME="Loop" VALUE="-1"><PARAM NAME="Quality" VALUE="High"><PARAM NAME="SAlign" VALUE=""><PARAM NAME="Menu" VALUE="-1"><PARAM NAME="Base" VALUE=""><PARAM NAME="AllowScriptAccess" VALUE=""><PARAM NAME="Scale" VALUE="ShowAll"><PARAM NAME="DeviceFont" VALUE="0"><PARAM NAME="EmbedMovie" VALUE="0"><PARAM NAME="BGColor" VALUE=""><PARAM NAME="SWRemote" VALUE=""><PARAM NAME="MovieData" VALUE=""><PARAM NAME="SeamlessTabbing" VALUE="1"><PARAM NAME="Profile" VALUE="0"><PARAM NAME="ProfileAddress" VALUE=""><PARAM NAME="ProfilePort" VALUE="0"><PARAM NAME="AllowNetworking" VALUE="all"><PARAM NAME="AllowFullScreen" VALUE="false">
<embed width="513" height="124" src="images/banner.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" wmode="opaque" type="application/x-shockwave-flash" ></embed></OBJECT><NOSCRIPT>
<embed src="images/banner.swf" wi
*** Jtrace: Read data from socket: 0,3061,dth="513" height="124" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" wmode="opaque"></embed>
                                        </NOSCRIPT>
<DIV id=domaingreen align=left>
<DIV class=font id=domaingreencontents><SPAN class=fontboldyellowheading><A class=yelow href="life_science.html">LifeScience</A></SPAN><SPAN class=fontboldwhiteheading> Solutions</SPAN> <BR><SPAN class=fontwhite>We help clients to manage the bulk of data efficiently inorder to reduce discovery and development time .We are caterring services to the life science giants.</SPAN></DIV></DIV>
<DIV id=domainblue align=left>
<DIV class=font id=domainbluecontents align=left><SPAN class=fontboldyellowheading><A class=yelow href="graphic_service.html">Design</A></SPAN><SPAN class=fontboldwhiteheading> Services</SPAN><SPAN class=fontboldwhiteheading></SPAN> <SPAN class=fontwhite><BR>Calpine Creatives provides a full array of creative serv</html><body></html>_middle
*** Jtrace: Got a middle message piece: dth="513" height="124" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" wmode="opaque"></embed>
                                        </NOSCRIPT>
<DIV id=domaingreen align=left>
<DIV class=font id=domaingreencontents><SPAN class=fontboldyellowheading><A class=yelow href="life_science.html">LifeScience</A></SPAN><SPAN class=fontboldwhiteheading> Solutions</SPAN> <BR><SPAN class=fontwhite>We help clients to manage the bulk of data efficiently inorder to reduce discovery and development time .We are caterring services to the life science giants.</SPAN></DIV></DIV>
<DIV id=domainblue align=left>
<DIV class=font id=domainbluecontents align=left><SPAN class=fontboldyellowheading><A class=yelow href="graphic_service.html">Design</A></SPAN><SPAN class=fontboldwhiteheading> Services</SPAN><SPAN class=fontboldwhiteheading></SPAN> <SPAN class=fontwhite><BR>Calpine Creatives provides a full array of creative serv
*** Jtrace: Read data from socket: 0,3061,ices in all aspects of Web design , Graphic design and Print services.<BR>We believe in giving you the EXtra touches that really make your designs to get noticed. </SPAN></DIV></DIV>
<DIV id=domaingreen align=left>
<DIV class=font id=domaingreencontents><SPAN class=fontboldyellowheading><A class=yelow href="ecommerce.html">eCommerce</A></SPAN><SPAN class=fontboldwhiteheading> Solutions</SPAN><SPAN class=fontboldwhiteheading></SPAN><BR><SPAN class=fontwhite>We develop high-end custom e-commerce websites with specific goals of each client,High performance web applications completely tailored to suite your requirments. </SPAN></DIV></DIV>
<DIV id=domainblue align=left>
<DIV class=font id=domainbluecontents align=left><SPAN class=fontboldyellowheading><A class=yelow href="support.html">Infrastructure </A></SPAN><SPAN class=fontboldwhiteheading>Management</SPAN><SPAN class=fontboldwhiteheading></SPAN> <SPAN class=fontwhite><BR>We provide professional infr</html><body></html>_middle
*** Jtrace: Got a middle message piece: ices in all aspects of Web design , Graphic design and Print services.<BR>We believe in giving you the EXtra touches that really make your designs to get noticed. </SPAN></DIV></DIV>
<DIV id=domaingreen align=left>
<DIV class=font id=domaingreencontents><SPAN class=fontboldyellowheading><A class=yelow href="ecommerce.html">eCommerce</A></SPAN><SPAN class=fontboldwhiteheading> Solutions</SPAN><SPAN class=fontboldwhiteheading></SPAN><BR><SPAN class=fontwhite>We develop high-end custom e-commerce websites with specific goals of each client,High performance web applications completely tailored to suite your requirments. </SPAN></DIV></DIV>
<DIV id=domainblue align=left>
<DIV class=font id=domainbluecontents align=left><SPAN class=fontboldyellowheading><A class=yelow href="support.html">Infrastructure </A></SPAN><SPAN class=fontboldwhiteheading>Management</SPAN><SPAN class=fontboldwhiteheading></SPAN> <SPAN class=fontwhite><BR>We provide professional infr
*** Jtrace: Read data from socket: 0,3061,astructure management based on your total requirments.We offer round the clock service supports which will enhance your infrastructure perfromance and efficiency.</SPAN></DIV></DIV>
<DIV id=domaingreenbottom align=left>
<DIV class=font id=domaingreencontentsbottom><SPAN class=fontboldyellowheading><A class=yelow href="erp.html">ERP </A></SPAN><SPAN class=fontboldwhiteheading>Solutions</SPAN><SPAN class=fontboldwhiteheading></SPAN> <BR><SPAN class=fontwhite>The core development process of our organization comprises of prestigious ERPs.We have proven expertise in the arena of ERP.That has given us a distinctive edge in rendering many an ERP solution that have been hugely successful. </SPAN></DIV></DIV>
<DIV id=domainbluebottom align=left>
<DIV class=font id=domainbluecontentsbottom align=left><SPAN class=fontboldyellowheading><A class=yelow href="quality.html">Quality Control</A></SPAN> <SPAN class=fontwhite><BR>Our exclusive Quality department take care of all rigid quality assurance</html><body></html>_middle
*** Jtrace: Got a middle message piece: astructure management based on your total requirments.We offer round the clock service supports which will enhance your infrastructure perfromance and efficiency.</SPAN></DIV></DIV>
<DIV id=domaingreenbottom align=left>
<DIV class=font id=domaingreencontentsbottom><SPAN class=fo

Applet communication differences

An applet I've installed on different platforms performs really bad in certain cases. When installed on Tomcat under Windows on a local PC, the performance is excellent. As soon as I install it under the same version of Tomcat on one of our Linux hosts, the performance is about ten times slower. I also tried installing it on OC4J on the same Linux host and the performance is almost as bad. What I noticed in tracing the applet with the Java console is that with the Windows install (which is on the same subnet and domain as my PC), the communication seems to be simple. There is a short JSESSIONID cookie. With the connection to the Linux machine (on a different domain and subnet), the console trace shows very long JSESSIONID cookie that I assume is some sort of certificate.
Can someone explain this and tell me how to get the same performance on the remote (Linux) host?
I'm using Tomcat 6 with JDK 1.5 and the local JVM is 1.6.

I passed an Ethereal trace of sessions against both servers and I see that on the bad connection there are [RST,ACK] packets sent from the client to the server, but I'm not very good at reading such things.
We've installed the app in several configurations:
LocalPC -> LAN -> LocalPC: Fast
LocalPC -> WAN -> Tomcat/Linux: Slow
LocalPC -> WAN -> OC4J/Linux: Slow
RemotePC -> LAN -> OC4J/Linux: Fast
LocalPC -> WAN -> Tomcat/AIX: Slow
LocalPC -> WAN -> OC4J/AIX: Slow
LocalPC -> WAN -> Tomcat/Windows: Slow
So for me it's obvious it is the WAN that is causing the problems. I tried seeing if there is a way to set the Applet to run with different socket parameters such as TCP_NODELAY, but I need to uncompile the code and set it in the code as there does not seem to be a system property for that.
Any ideas?

Is jre1.4 still support javascript to applet communication?

is jre1.4 still support javascript to applet communication?
I can't get the method in applet from javascript in jre1.4. Are there have a different way to communication?

I have a similiar problem. Left a post in the Signed Applet board. I can get the methods called on my applet when operating over HTTP, but when I am on a page served from HTTPS, the browser chews up memory, goes to 100% processor utilization, and the method is never called. This is with the 1.4 plugin.
Suppose this is related ?

Applet not viewable in browser

Hi
applet not viewable in browser any website that uses java code seems not to run on my browser though it runs normally well on my friends computer. The browser shows a screen area in grey colour with an error message like "Exception: java.lang.ClassNotFoundException:GUIDemo.class" (im using Win NT4 and IE 5.5) checked the tools/internet options/advanced seettings the browser support is enabled. tried installing the newer version of JRE still not working ..Please guide about any settings that need to be modified or how can i fix this problem ..
Regards
anant
[email protected]

Hi
Just a thought, but what broswer are you and your friend using? Are they different by any chance?
There is an inconsistency between browsers and java, and unfortunately it can result in the error you saw.
Basically, bog standard Internet Explorer uses its own JVM, whereas Netscape, Mozilla, Opera etc tend to use the java plug-in. To make matters worse, if you install the plug-in on a machine that has Internet Explorer installed, it over-rules the Microsoft version to make itself the default (but this can be undone by looking in the Options menu for Java-plugin and un-ticking the box). Give that a try first.
Another cause that I have encountered was when using NT on a network, which had been configured not to accept Java Applets at all! Are you on such a network, or stand alone?
Hope that helps.

Signed applet communication on Mac

In Denmark homebanking is goin on the net with NetBank. My bank postulates that Mac users cannot participate, as signed applet communication is not supported on Macs.
I find it hard to believe an suspect that ActiveX components are the crook here.
Can anybody confirm my suspicion. Or clear my Bank :-)
I am Macin' 9.0.4ie - MRJ 2.2.5 . Explorer 5.0 or Netscape 6.0

The bank probably says that because it doesn't have any Macs to test it on. Signed applets do work on Macs. However, not all of JRE 1.1 may be implemented in NS 4 or IE 5.0.
I think providing applet only access to Netbanking is a really dumb idea. Fortunately, my bank has not gone the applet route and I can use netbanking services just fine on my Mac with 128 bit encryption.
If I were you, I would just switch to a bank that is more Mac friendly...

I have a sample applet tag in my browser

Here is the applet tag in my browser
<applet id="Laufschrift1" name="Laufschrift1" code=
"TickerTape.class" codebase="../../scripts/" height="25"
width="780">
What does ../../scripts denote.
As far as i know CODEBASE = ./ denotes the current directory or the classpath + the classname
But i have seen CODEBASE = ../../scripts/ for the first time.
Supposing that the webpage address is www.abc.com then CODEBASE = ../../scripts/ will be ??
I am new to java and so i need someone's help

"../" means "the directory above". So "../../scripts/" means "the directory named scripts located in the directory two levels above the current directory."

Applet to Applet communication in one browser process with 2 windows

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