Applet OBJECT tag to install 1.6.0.22 - harder than you think!

Hi there,
Using the OBJECT tag, I've placed an applet on a webpage. I need the user to download the JRE if it's not installed, so I added this attribute to my OBJECT tag and it seems to work.
codebase="http://java.sun.com/update/1.6.0/jinstall-6-windows-i586.cab"
Unfortunately, right now this causes jre 1.6.0.18 to be installed, which consistently crashes once the install has completed, requiring the user to close the browser and return before viewing the applet (known issue I believe "http://bugs.sun.com/bugdatabase/view_bug.do;jsessionid=5288ea4b825d095f0bf29977ada?bug_id=6925315").
I therefore want the more recent 1.6.0.22 version to be installed instead which won't crash, but I cannot figure out what to change the codebase attribute to accomplish this. It always seems to install 1.6.0.18! I've also tried the following without success:
codebase="http://java.sun.com/update/1.6.0/jinstall-6-windows-i586.cab#Version=1,6,0,0"
codebase="http://java.sun.com/update/1.6.0/jinstall-6-windows-i586.cab#Version=1,6,0,99"
codebase="http://java.sun.com/update/1.6.0/jinstall-6-windows-i586.cab#Version=1,6,0,22"
Any tips would be immensly helpful!

Cross posted
http://www.java-forums.org/java-applets/35025-object-tag-automatically-install-1-6-0-22-since-1-6-018-crashes.html
Any more?
db

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Applet in Object tag IE8

Hi Ppl,
I have got a requirement where i need to invoke an applet from browser and should be working across all browsers. Since APPLET tag is deprecated since HTML4, i was trying to use OBJECT tag to embed it, and it works fine in FF and Chrome, but in IE8 it doesnt work.Any thoughts on how to make it work on IE8 and above?
The HTML file is something like below
<!doctype html>
<object
width="0px" height="0px" tabIndex="-1"
classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
codeBase="https://java.sun.com/update/1.6.0/jinstall-6u16-windows-i586.cab#Version=1,4,2"
type="application/x-java-applet" >
<param name="archive" value="applettext.jar" />
<param name="code" value="DrawingLines" >
<param name="mayscript" value="yes">
<param name="scriptable" value="true">
</object>

841335 wrote:
..I have got a requirement where i need to invoke an applet from browser and should be working across all browsers. .. That will never happen. There is always some browser/JRE/applet interaction bug. Besides that, some end users do not have Java installed and either will not (through personal choice) or cannot (through system administrator choice) install it.
..Since APPLET tag is deprecated since HTML4, i was trying to use OBJECT tag to embed it, ..Don't. Instead use Oracle's deployJava.js to check for a minimum JRE, prompt the user to install it if missing, and launch the applet.
The HTML file is something like below2 points.
<li> When posting code, code snippets, HTML/XML or input/output, please use the code tags as described on the 'sticky post' on the top of the forum thread listing.
<li> Please do not waste you time, or attempt to waste mine, with any of the above that is +'something like'+ what you have. Either copy/paste it, or don't waste the bandwidth.

JDK 1.4.2_10; problem with applet/classpath/OBJECT tag

I'm supporting an applet that needs to run in JDK 1.4.2_10 in order to work. (I don't own the code, so I can't fix the issue)
I'd like to force that particular applet to run under JDK 1.4.2_10, but allow other applets to run on the current default JVM.
I'm trying to do this by using the JDK's htmlconverter.exe utility to force the use of JDK 1.4.2_10. That part is working as expected, but I'm experiencing a side effect.
The problem is that, when I use the OBJECT tag instead of the APPLET tag, the browser attempts to download the class with this URL
http://hostname.here.com/app.testing/app.testbed/classes/appls%2fDOLARS%2fuser%2fApplet%2fclass.class
instead of this URL
http://hostname.here.com/app.testing/app.testbed/classes/appls/DOLARS/user/Applet.class
The second URL works; the first does not. When I use the APPLET tag, it generates the second URL and downloads the class successfully.
I'd like to a) use the OBJECT tag. b) get it to use the correct URL to download the Applet.class file. What do I need to do to make this happen?
Thanks,
Tom Valesky

Here's the exception I'm getting (slightly sanitized):
Java Plug-in 1.4.2_10
Using JRE version 1.4.2_10 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\tvalesky
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to
load: class appls/DOLARS/user/Applet.class not found.
java.lang.ClassNotFoundException: appls.DOLARS.user.Applet.class
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:http://hostname.com/DOLARS.testing/dolars.testbed/classes/appls%2fDOLARS%2fuser%2fApplet%2fclass.class
     at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
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Exception: java.lang.ClassNotFoundException: appls.DOLARS.user.Applet.class

applet tag vs Object tag

As per W3Schools HTML applet tag is not supported in HTML5. Need to use <Object> tag instead of <applet> tag.
For more details follow this link: http://www.w3schools.com/tags/tag_applet.asp
http://dev.w3.org/html5/spec/obsolete.html#the-applet-element
Point 11.2 Non-conforming features
So, I go ahead and the change the code as below depicted.
Below code that is working with <APPLET> tag:
+<Applet+
style    = "position:absolute;border:0px;left:184;top:95;height:180;width:364;"
code     = "jtreeviewapplet.JTreeViewAppletMain.class"
name     = "TreeView"
id       = "TreeView"
hspace   = "0"
vspace   = "0"
align    = "top"
archive = "/Project/HTML/ABC/XYZ.jar,/Project/HTML/ABC/ABC.jar"
MAYSCRIPT>
+<PARAM NAME="onSelected" VALUE="onSelect_Handler">+
+<PARAM NAME="onFinishNormalize" VALUE="onFinishNormalize_Handler">+
+</Applet>+
Here is the snippet, whcih have been changed to <OBJECT> tag so as to support HTML5 in future:
+<OBJECT type=" application/x-java-applet"+
style    = "position:absolute;border:0px;left:184;top:95;height:180;width:364;"
name     = "TreeView"
id       = "TreeView"
hspace   = "0"
vspace   = "0"
align    = "top"
+>+
+<PARAM name="code" value=”jtreeviewapplet.JTreeViewAppletMain.class”>+
+<PARAM name="codebase" value="/Project/HTML/ABC/">+
+<PARAM name="archive" value=" XYZ.jar">+
+<PARAM name="archive" value=" ABC.jar">+
+<PARAM name="scriptable" value="true">+
+<PARAM NAME="onSelected" VALUE="onSelect_Handler">+
+<PARAM NAME="onFinishNormalize" VALUE="onFinishNormalize_Handler">+
+</OBJECT>+
After changing the *<applet>* tag to *<object>* tag , my applet itself is not loading and it gives class not found exception for jtreeviewapplet.JTreeViewAppletMain.class.
(Note: For both working and not working condition, I am using latest JDK 1.7 update 9 for compiling the code and in my system I am having latest JRE1.7 update 9 to run the applet code. I am using InternetExplorer 8 and InternetExplorer 9 browser)
Can anybody help me to find out where I am going wrong?
Edited by: 975931 on Dec 12, 2012 1:24 AM

You might want to stick to the documentation:
http://docs.oracle.com/javase/tutorial/deployment/index.html
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PS: use \ tags when posting anything code related. That makes it readable and it keeps the forum from trying to interpret it.

Applet registered through object tag doesn't work

Hi..
If i register an applet through <OBJECT> tag, the applet doesn't appear, but if registering through <applet> tag, it works.
what happens?
is there anybody can tell me why?

The html <object> codes used are below.
<OBJECT
classid = "clsid:CAFEEFAC-0014-0002-0004-ABCDEFFEDCBA"
codebase = "http://java.sun.com/update/1.4.2/jinstall-1_4_2_04-windows-i586.cab#Version=1,4,2,40"
WIDTH = 100 HEIGHT = 100 >
<PARAM NAME = CODE VALUE = "MyApplet.class" >
<PARAM NAME = "type" VALUE = "application/x-java-applet;jpi-version=1.4.2_04">
<PARAM NAME = "scriptable" VALUE = "false">
<PARAM NAME = MAYSCRIPT VALUE = true >
</OBJECT>
and the parent html file that contain "<iframe> tag" portion is written as below
<iframe src=iframe_testApplet.htm name=AppletLoader frameborder="no" height=150 width=150 scrolling="no"></iframe>
and all the parent html file and the iframed-file and the class file is in the same directory. so i didn't specify the "codebase" attribute above. and moreover, when i put a code that specifies the codebase though, it doesn't still work.
the code specifying codebase is like this.
<PARAM NAME = CODEBASE VALUE=".">
I just want to let know that actually I solved above problem just before with some minor change. but I still want to know why it works at this time because there is not so much difference between before and after.
the change I did is
1. I rewrite all html code into jsp code
2. in the jsp code, I specify the codebase with "<%= request.getContextPath()%>/aPath"
But as you can see, the code base is the directory that contains all the files, parent html file, iframed file and a classFile, although I changed some minor codes, that cannot make it work if it doesn't work without the minor code-change because eventually it has same context from code viewpoints.
As of now, I just take it as just a JRE bug. Can anyone let me know why it happens?

Applet tag and Object tag.

Hi All,
My application is hanging which is using Applet.I have specied in IE settings to use Sun's JVM[plug in].Applet tag is now depricated they [W3c] recommend to use Object tag for IE.Is my problem somewhere related to this?what difference does it make.?Please help me its very urgent.
Cheers:
Akash.

Currently the applet is running through Applet tag.my application is using As400 emulator tn5250j which i am showing through Applet.The second frame is showing images. After entering data in As400 screen i am submitting data through submit button which is on second frame.but after submitting applet screen got hung.dont know the reason code seems to be fine.no memory leakages.
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Run applet with object tag

Hi people.
I need your assistance in my problem.
I try to run the simple applet (from Java Tutorial Documents):
import java.applet.Applet;
import java.awt.Graphics;
public class HelloApplet extends Applet {
public void paint(Graphics g) {
g.drawString("Hello Applet!!", 10, 10);
with a help of two different HTMLs.
First with an <APPLET> tag:
<HTML>
<BODY>
<APPLET CODE="dir1.class" WIDTH=150 HEIGHT=25>
</APPLET>
</BODY>
</HTML>
Second with an <OBJECT> tag:
<HTML>
<BODY>
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
     codebase="http://javaweb.eng/plugin/jre-1_2_2-win.exe#Version=1,2,0,0"
     align="left" border="0" width="100%" height="100%">
<param name="code" value="dir2.class">
<param name="codebase" value="./">
<param name="type" value="application/x-java-applet;version=1.2">
</OBJECT>
</BODY>
</HTML>
The problem is that in case of <APPLET> tag everything is OK.
In case of <OBJECT> tag the applet don�t run.
And that is only on my machine.
On the others everything is OK in both cases.
HELP!!!
My machine properties:
     Win95
     IE5.5
PlugIN: jre1_2_2-win.exe

Hmmm... I've already seen the Java Plugin going mad if you make too much experimentations with it.
My advice : uninstall it properly and make it be reinstalled by the automatic plugin installation of IE (just by loading the HTML page with the <OBJECT> tag).
I hope it will work...
Matthieu

Applet doesn't work with object tags--PLZ HELP!

<NOEMBED>
</NOEMBED>
</EMBED>
</COMMENT>
</OBJECT>

ooops! The applet is not displayed with object tags generated by HtmlConverter utility, The applet is supposed to display a JTable and connect to Oracle DB using JDBC. The web server is Tomcat 4.1.29
<OBJECT
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    <PARAM NAME = CODE VALUE = "cbhtolApplet.class" >
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    <PARAM NAME = NAME VALUE = "Edit Trunks" >
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            CODE = "cbhtolApplet.class"
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</OBJECT>Appreciate your help!

I can load an Applet .class file with an OBJECT tag...

How can I load a .jar file? I foolishly believed I could replace "myclass.class" with "myjar.jar" in the <PARAM> tag associated with an <OBJECT> tag, and if I had created my manifest file correctly, the Main-Class in my .jar would have its init() method called upon IE load of the web-page. But alas, it is not that simple.
Is there an incantation of the <OBJECT> tag that is appropriate for .jar files?
Thanks in advance for any help you can provide in this area.

Please ignore the duplication. My browser burped, and I can't seem to figure out how to delete a thread.
See answer posted in other thread.

Object tag problem

hi all......
i unable to identify where sould i make changes to use java plug in from installed jre 1.6 in my system??
i m using jdk1.6.0,IE7.0,xp sp2
please mark the line and suggest me!!
below is my jsp page
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    width="200" height="200" align="baseline"
    codebase="http://java.sun.com/products/plugin/1.2.2/jinstall-1_2_2-win.cab#Version=1,2,2,0">
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    <PARAM NAME="codebase" VALUE="registration/">
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    <PARAM NAME="model" VALUE="models/HyaluronicAcid.xyz">
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        No JDK 1.2 support for APPLET!!
</OBJECT>i want to run japplet in jsp. please tell me also whether this tag is relevant or should i use other(please specify tag with its full code).
any help would be much appreciated.

I finally figured out how to get the object tag to work. The html fragment below is a typical solution:
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          <param name="codebase" value="./">
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          <param name="cache_option" value="No">
          <param name="cache_archive" value="./animationResources.jar">
               
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It has been sucessfully tested against Mozilla 1.1, IE 6 sp1, and Sun's appletviewer program.
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Problem using different plugins via OBJECT tag

Hi all,
before installing JRE 1.5.0_06 everything was well. I had 3 different JREs (1.3.1_02, 1.3.1_08, 1.4.2_06) installed on one Windows system which could be invoked in Internet Explorer 6 for an applet as described in http://java.sun.com/j2se/1.5.0/docs/guide/plugin/developer_guide/version.html
example:
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<HEAD>
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Java Plugin 1.3.1_08:�
<OBJECT classid="clsid:CAFEEFAC-0013-0001-0008-ABCDEFFEDCBA" width="150" height="25">
Plugin missing
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I've seen a similar problem that didn't seem to exist with JRE 1.5.0_05 but does with 1.5.0_06. On the JRE 1.5.0_06 workstation the Windows registry contains CAFEEFAC-... entries for what looks to be all 1.3/1.4/1.5 JREs and points them all to the 1.5.0_06 JRE plugin dll, even though there is still a 1.4 JRE on the workstation. So even when you specify an OBJECT tag with a classid such as classid="clsid:CAFEEFAC-0014-0001-0010-ABCDEFFEDCBA" that should load the 1.4 plugin by design, the 1.5 plugin is loaded. This seems to defeat the multi-version JRE support. The JRE 1.5.0_05 workstation on the other hand didn't overwrite CAFEEFAC-... Windows registry entries for previous JREs, and properly loads a specfic JRE's plugin when specified by a CAFEEFAC-... classid in the OBJECT tag.

Plugin download in object tag installs JRE also

Hi all,
this may sound a stupid question but ......................
i am new to java .... my thinking was tht java plug in download and install from object tag link doesnt install jre ??? but here its doing tht ...
ANY WAYS TO AVOID DOWNLOADING AND INSTALLING JRE WITH JAVA PLUGIN ?????????
best regards,,
PhadkeA

If you want to take all advantages of latest Java (TM) releases (1.3, 1.4) you will have to use and download plugin. Unless plugin is installed already on client machines.
If you definetely want to go without plugins you can use JDK 1.1.8. Sounds ridiculous, but most commonly used browser has built-in JVM supported Java 1.1.6. So you cannot deploy any 1.2, 1.3 and 1.4 packages in your applet. But you can go without plugin.
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Performance problem using OBJECT tag

I have a performance problem using the java plugin and was wondering if anyone else was has seen the same thing. I have a rather complex applet that interacts with java script in a web page using the LiveConnect API. The applet both calls javascript in the page and is called by java script.
Im using IE6 with the java plugin that ships with the 1.4.2_06 JVM. I have noticed that if I deploy the applet using the OBJECT tags, the application seems the trash everytime I call a java method on the applet from javascript. When I deplot the same applet using the APPLET tag the perfomance is much better. I would like to use the OBJECT tag because it applet bahaves better and I have more control over the caching.
This problem seems to be on the boundaries of IE6, JScript, the JVM and my Applet (and I suppose any could be the real culprit). My application is IE5+ specific so I can not test the applet in isolation from the surround HTML/JavaScript (for example in another browser).
Does anyone have any idea?
thanks in advance.
dennis.

I have a performance problem using the java plugin and was wondering if anyone else was has seen the same thing. I have a rather complex applet that interacts with java script in a web page using the LiveConnect API. The applet both calls javascript in the page and is called by java script.
Im using IE6 with the java plugin that ships with the 1.4.2_06 JVM. I have noticed that if I deploy the applet using the OBJECT tags, the application seems the trash everytime I call a java method on the applet from javascript. When I deplot the same applet using the APPLET tag the perfomance is much better. I would like to use the OBJECT tag because it applet bahaves better and I have more control over the caching.
This problem seems to be on the boundaries of IE6, JScript, the JVM and my Applet (and I suppose any could be the real culprit). My application is IE5+ specific so I can not test the applet in isolation from the surround HTML/JavaScript (for example in another browser).
Does anyone have any idea?
thanks in advance.
dennis.

Applet OBJECT tag to install 1.6.0.22 - harder than you think!

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