Java -Plugin detected JRE collission

Hey ia ma using the follow script
<script language="javascript">
var _app = navigator.appName;
if(_app == 'Microsoft Internet Explorer'){
document.write( '<OBJECT ID="VoiceRecorder" class="recStyle"',
'classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"',
'WIDTH = 250',
'HEIGHT = 150',
'codebase="http://java.sun.com/products/plugin/autodl/jinstall-1_4_2-windows-i586.cab#Version=1,4,2">',
'<PARAM NAME = CODE VALUE = RecAndPlay.RecAndPlay >',
'<PARAM NAME = CODEBASE VALUE = "/webmail/webmail/" >',
'<PARAM NAME = ARCHIVE VALUE = sRecAndPlay.jar >' ,
'<PARAM NAME = "type" VALUE="application/x-java-applet;jpi-version=1.4.2">',
'<PARAM NAME = voiceData VALUE="">' ,
'<PARAM NAME=PLAY_ONLY VALUE=false>',
'<PARAM NAME=VOICE_URL VALUE="inMem">',
'<PARAM NAME=MAX_REC_LIMIT VALUE="300">',
'</OBJECT>');
else if(_app == 'Netscape'){
document.write(' <EMBED ',
'type = "application/x-java-applet;version=1.4" ',
'java_CODE = "RecAndPlay.RecAndPlay"',
'java_CODEBASE = "/webmail/webmail/"',
'java_ARCHIVE = "sRecAndPlay.jar"',
'WIDTH = "250"',
'HEIGHT = "150"',
'PLAY_ONLY = "false"',
'VOICE_URL = "inMem"',
'MAX_REC_LIMIT = "300"',
'pluginspage="https://java.sun.com/products/plugin/index.html#download">',
'</EMBED>');
else {
document.write('<p> Sorry, unsupported browser.</p>');
</script>
Previous it was working wheb i had jre. But once i installed jre 1.4 (and also tried with jre 1.5) it is giving this error in MOZILLA browser. But working fine in IE browser.

first uninstall all the previous JRE version.
Open Jav plug-in from control panel and select the java tab,
Select only one JRE version into this tab.
restart ur browser, perhaps u does not get this problem in future.

Similar Messages

Netscape browser give Java plugin detect JRE collision

hi
when i run my application on Netscape v8.0 i got a problem metioned in subject line. please help me for this.
thanx in advance

first uninstall all the previous JRE version.
Open Jav plug-in from control panel and select the java tab,
Select only one JRE version into this tab.
restart ur browser, perhaps u does not get this problem in future.

Problem installing java plugin from jre 1.4.0 on netscape 4.79

We tried to install the newest java plugin on netscape
4.79 on our Solaris 2.8 machine. Followed the instruction, we first downloaded j2re-1_4_0-solsparc.sh, ran the script to create a
directory called j2re1.4.0, then set the NPX_PLUGIN_PATH environment variable to the directory
containing the javaplugin.so file. When we tried to
start netscape, we got the following error message:
INTERNAL ERROR on Browser End: Could not load the function CreateOJIFactory
System error?:: No such file or directory
What is the problem? Any fix?
Thanks

Hi,
From your description, it seems you've read http://java.sun.com/j2se/1.4/install-solaris.html#plugin . This also states that the supported Netscape builds go up to 4.77 before moving on to Netscape 6.x. And in this case it appears that this isn't just because the documentation hasn't kept up with recent activity from Netscape. Netscape 4.79 appears to treat the plugin differently, and/or still expect the old Activator code to be in place to use it.
I'm using the 1.4.0 JRE with no trouble at all with Netscape 7.0PR1. If anything this - and the Mozilla 1.0RC2 build that it's based on - are far more stable than any of the NS4.x releases. The only reason I can see for staying with 4.x is that it'd little more lax with the HTML it reads, and displays some bad pages that NS6/7 refuses to display.
Recent Solaris releases come with Netscape 6 as well, and it's easily downloadable. I'm sorry I can't be more help than this.
Mark Bowyer.
Sun Developer Technical Support.

Java Plugin Detection using VBScript on Internet Explorer

Hi,
I need a way to detect when the plugin version is above a certain version number (such as 1.4.1 or higher) so that I can give the user some extra info as to what is happening when the plugin is downloading automatically on Internet Explorer. Something like :-
"Please wait for Java plugin to download"
At present there is a long delay when the user may not know what is happening as no info is relayed back to user.
I know that the presence of the plugin can be detected using vbscript but not with JavaScript but how do i determine that the user has 1.4.1 or higher. I use the following code:
<script language="vbscript">
If IsObject(CreateObject("JavaPlugin"))=True Then
document.writeln("some info to user")
End If
</script>
This tells me if a JavaPlugin is installed but not what version so we still dont know whether the applet will run or the plugin will download.
I have also tried:
<script language="vbscript">
If IsObject(CreateObject("JavaPlugin.141"))=True Then
document.writeln("some info to user")
End If
</script>
this works but what if the user already has a version greater than 1.4.1 this is not detected and a nonsense message saying that the Java plugin is downloading is displayed.
Any ideas?

Here's JavaPlugin detection for netscape and ie using JavaScript . . .
Throw this in a .js file and source it at the start of you html.
function detectPlugin() {
     var thePlugins = detectPlugin.arguments;     // allow for multiple checks in a single pass
     var pluginFound = false;               // consider pluginFound to be false until proven true
     // if plugins array is there and not fake
     if (navigator.plugins && navigator.plugins.length > 0) {
var pluginsArrayLength = navigator.plugins.length;
          // for each plugin loop through all desired names and check each against the current plugin name
for (pluginsArrayCounter=0; pluginsArrayCounter < pluginsArrayLength; pluginsArrayCounter++ ) {
var numFound = 0;
for(namesCounter=0; namesCounter < thePlugins.length; namesCounter++) {
                    // if desired plugin name is found in either plugin name or description     the pluginFound
if( (navigator.plugins[pluginsArrayCounter].name.indexOf(thePlugins[namesCounter]) >= 0) || (navigator.plugins[pluginsArrayCounter].description.indexOf(thePlugins[namesCounter]) >= 0) ) {
numFound++;
               // now that we have checked all the required names against this one plugin,
               // if the number we found matches the total number provided then we were successful
if(numFound == thePlugins.length) {
pluginFound = true;
                    // if we've found the plugin, we can stop looking through at the rest of the plugins
break;
return pluginFound;
function noJavaPlugin(){
window.open("http://plugin_location");
function redirect_users(URL){
location.href = URL;
if(navigator){
browser_string = navigator.appVersion + " " + navigator.userAgent;
if (browser_string.indexOf("MSIE")>=0) {
          document.write(' <object classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"');
          document.write(' CODEBASE="javascript:noJavaPlugin()" width=1 height=1>');
          document.write(' <param name="type" value="application/x-java-applet;version=1.4">');
          document.write(' <param name="cache_option" value="Plugin">');
          document.write(' <param name="cache_archive" value="">');
          document.write(' <param name="MAYSCRIPT" value="true">');
          document.write(' </object>');
     else {
          if (! (detectPlugin("Java Plug-in 1.4.0_01 for Netscape Navigator (DLL Helper)"))) {
               noJavaPlugin();
else{
     noJavaPlugin();
redirect_users("http://place_to_go_if_they_have_plugin");

ANSWER: HOW TO DETECT Java Plugin from JavaScript

I created a new topic because the questions about
how to detect Java Plugin in browsers are scattered
thoughout this forum.
Basically you need to employ two approaches for IE and NS.
In IE you need to try to instantiate a small applet
(not your production applet) in order to see if browser
can do it. if the browser can do it, you can make a
call applet from JavaScript in order to find version of
JRE (as well as a host of other things).
In NS you can write a simple JavaScript which will
interrogate the browser for all plugins installed. Then
ypu can make a desicion whether to pass execution to
the next(or generated) page which hosts your applet,
or ask the user to download/install a plugin.
I ecourage everybody to host a plugin on your site
rather leave default link to it which is generated by
html converter.
In order to run sample,
Prerequisites:
Java Plugin 1.3.
If you have a different version of plugin,
substitute hardcoded plugin version in JavaScript for
value that you have.
1. compile java file
2. put class file in the same directory with html file
3. load html file into the browser.
4. press "Check Java Plugin.." button
5. see it work
6. examine code
7. uninstall plugin
8. repeat steps 1 - 4
9. see it work
10. install plugin.
Sample code follows:
**********************HTML FILE BEGIN***********
<HTML>
<HEAD>

<TITLE>Detect Java Runtime</TITLE>
</HEAD>
<SCRIPT LANGUAGE="JavaScript">
var browsername;
function doNetscape()
for (i=0; i < navigator.plugins.length; i++)
for (j = 0; j < navigator.plugins.length; j++)
if(navigator.plugins[i][j].type == "application/x-java-applet;version=1.3")
alert("You are running Netscape with Java Plugin 1.3.0 - OK");
return;
alert("You are running Netscape\nPlease, install Java Runtime Environment 1.3.0");
function doMicrosoft()
var applet = document.myApplet;
if(applet == null)
alert("You are running Microsoft Browser.\nPlease, install Java Runtime Environment 1.3.0");
return;
var version = applet.getJavaVersion();
if(version == "1.3.0")
alert("You are running IE, Java Plugin 1.3.0 installed - OK");
else
alert("You are running IE, other plugin installed - mybe OK if later that 1.3.0\nYour version: " + version);
function getJava()
var applet = document.myApplet;
if(applet == null)
alert("Please, install Java Runtime Environment");
return;
     alert("JRE Version: " + document.myApplet.getJavaVersion());
function checkJavaPlugin()
     browsername = navigator.appName;
     if(browsername.indexOf("Netscape")!= -1)
          browsername="NS";
          doNetscape();
     else
          if(browsername.indexOf("Microsoft")!=-1)
               browsername="MSIE";
               doMicrosoft();
          else
               browsername="N/A";
               alert("Unknown browser: " + browsername);
</SCRIPT>
<body>
<Strong>Check Java Plugin</strong>
<OBJECT id="myApplet" classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
     WIDTH = 1
     HEIGHT = 1 >
     <PARAM NAME = CODE VALUE = "DetectPluginApplet.class" >
     <PARAM NAME="scriptable" VALUE="true" >
     <embed type="application/x-java-applet;version=1.3"
          code = DetectPluginApplet width = 2 height = 2 MAYSCRIPT = "true" >
     </embed>
     </EMBED>
</object>
<FORM>
     <INPUT TYPE="button" value="Get Plugin Version in IE" onClick="getJava()">
     <INPUT TYPE="button" value="Check Java Plugin in NS and IE" onClick="javascript:checkJavaPlugin()">
</FORM>
</BODY>
</HTML>
**********************HTML FILE END***********
***************APPLET FILE BEGIN***********
import java.awt.*;
public class DetectPluginApplet extends java.applet.Applet
     public void init()
          add(new Label("DetectPluginApplet"));
public String getJavaVersion()
return System.getProperty("java.version");
**************APPLLET FILE END************

Try following java script, it works on new browsers (NS 4+, IE5+). For IE you have to enable 'ActiveX objects creation' in security options.
var agt=navigator.userAgent.toLowerCase();
var is_major = parseInt(navigator.appVersion);
var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
var is_nav4up = (is_nav && (is_major >= 4));
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie6 = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.0") !=-1));
var is_ie5up = (is_ie && (is_major == 4)
&& ( (agt.indexOf("msie 5.0")!=-1)
|| (agt.indexOf("msie 5.5")!=-1)
|| (agt.indexOf("msie 6.0")!=-1) ) );
var pluginDetected = false;
var activeXDisabled = false;
// we can check for plugin existence only when browser is 'is_ie5up' or 'is_nav4up'
if(is_nav4up) {
// Refresh 'navigator.plugins' to get newly installed plugins.
// Use 'navigator.plugins.refresh(false)' to refresh plugins
// without refreshing open documents (browser windows)
if(navigator.plugins) {
navigator.plugins.refresh(false);
// check for Java plugin in installed plugins
if(navigator.mimeTypes) {
for (i=0; i < navigator.mimeTypes.length; i++) {
if( (navigator.mimeTypes[ i].type != null)
&& (navigator.mimeTypes[ i].type.indexOf(
"application/x-java-applet;jpi-version=1.3") != -1) ) {
pluginDetected = true;
break;
} else if (is_ie5up) {
var javaVersion;
var shell;
try {
// Create WSH(WindowsScriptHost) shell, available on Windows only
shell = new ActiveXObject("WScript.Shell");
if (shell != null) {
// Read JRE version from Window Registry
try {
javaVersion = shell.regRead("HKEY_LOCAL_MACHINE\\Software\\JavaSoft\\Java Runtime Environment\\CurrentVersion");
} catch(e) {
// handle exceptions raised by 'shell.regRead(...)' here
// so that the outer try-catch block would receive only
// exceptions raised by 'shell = new ActiveXObject(...)'
} catch(e) {
// Creating ActiveX controls thru script is disabled
// in InternetExplorer security options
// To enable it:
// a. Go to the 'Tools --> Internet Options' menu
// b. Select the 'Security' tab
// c. Select zone (Internet/Intranet)
// d. Click the 'Custom Level..' button which will display the
// 'Security Settings' window.
// e. Enable the option 'Initialize and script ActiveX controls
// not marked as safe'
activeXDisabled = true;
// Check whether we got required (1.3+) Java Plugin
if ( (javaVersion != null) && (javaVersion.indexOf("1.3") != -1) ) {
pluginDetected = true;
if (pluginDetected) {
// show applet page
} else if (confirm("Java Plugin 1.3+ not found, Do you want to download it?")) {
// show install page
} else {
// show error page
}

Auto detect missing java plugin with Netscape

How do I get Netscape to automatically detect that it is missing the Java Plugin, and go to Sun's download page? I have IE 5.5 and Netscape 7 installed.
My html looks like this:
<OBJECT
classid = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
codebase = "http://java.sun.com/products/plugin/1.4/jinstall-1_4-windows-i586.cab#Version=1,4,1,0"
WIDTH = "100%" HEIGHT = "500" >
<PARAM NAME = CODE VALUE = "nz.astarte.planwise.gantt.GanttApplet" >
<PARAM NAME = CODEBASE VALUE = "." >
<PARAM NAME = ARCHIVE VALUE = "pwgantt.jar" >
<PARAM NAME = "type" VALUE = "application/x-java-applet;version=1.4">
<PARAM NAME = "scriptable" VALUE = "false">
<PARAM NAME = "projectId" VALUE="<%=theForm.getProjectId().toString()%>" >
<PARAM NAME = "userId" VALUE="<%=userId%>" >
<PARAM NAME = "logLevel" VALUE="INFO" >
<COMMENT>
<EMBED
type = "application/x-java-applet;version=1.4"
CODE = "nz.astarte.planwise.gantt.GanttApplet"
JAVA_CODEBASE = "."
ARCHIVE = "pwgantt.jar"
WIDTH = "100%"
HEIGHT = "500"
projectId ="<%=theForm.getProjectId().toString()%>"
userId ="<%=userId%>"
logLevel ="INFO"
scriptable = false
pluginspage = "http://java.sun.com/getjava ">
<NOEMBED>
Could not find a plugin supported by your browser. Please download Sun's Java Plugin 1.4.1
</NOEMBED>
</EMBED>
</COMMENT>
</OBJECT>
IE will autodetect and begin the download process. I know Netscape doesn't auto download, but it should at least detect it needs the plugin and go to the http://java.sun.com/getjava page so the user can do a manual download. However all I get is a big black blob where my applet should be.
Thanks in advance,
Andrew

I have modified your EMBED tag a little bit. I think it should work:
<EMBED
type="application/x-java-applet;jpi-version=1.4.1"
CODE="nz.astarte.planwise.gantt.GanttApplet"
CODEBASE="."
ARCHIVE="pwgantt.jar"
WIDTH="100%"
HEIGHT="500"
projectId="<%=theForm.getProjectId().toString()%>"
userId="<%=userId%>"
logLevel="INFO"
scriptable=false
pluginspage="http://java.sun.com/j2se/1.4.1/download.html">
<NOEMBED>
Could not find a plugin supported by your browser. Please download Sun's Java Plugin 1.4.1
</noembed>
</embed>
Hope it helps!
A.A.
How do I get Netscape to automatically detect that it
is missing the Java Plugin, and go to Sun's download
page? I have IE 5.5 and Netscape 7 installed.
My html looks like this:
<OBJECT
classid =
d = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
codebase =
e =
"http://java.sun.com/products/plugin/1.4/jinstall-1_4-w
ndows-i586.cab#Version=1,4,1,0"
WIDTH = "100%" HEIGHT = "500" >
<PARAM NAME = CODE VALUE =
E = "nz.astarte.planwise.gantt.GanttApplet" >
<PARAM NAME = CODEBASE VALUE = "." >
<PARAM NAME = ARCHIVE VALUE = "pwgantt.jar" >
<PARAM NAME = "type" VALUE =
E = "application/x-java-applet;version=1.4">
<PARAM NAME = "scriptable" VALUE = "false">
<PARAM NAME = "projectId"
Id" VALUE="<%=theForm.getProjectId().toString()%>" >
<PARAM NAME = "userId" VALUE="<%=userId%>" >
<PARAM NAME = "logLevel" VALUE="INFO" >
<COMMENT>
<EMBED
type =
type = "application/x-java-applet;version=1.4"
CODE =
CODE = "nz.astarte.planwise.gantt.GanttApplet"
JAVA_CODEBASE = "."
ARCHIVE = "pwgantt.jar"
WIDTH = "100%"
HEIGHT = "500"
projectId
projectId ="<%=theForm.getProjectId().toString()%>"
userId ="<%=userId%>"
logLevel ="INFO"
scriptable = false
pluginspage = "http://java.sun.com/getjava ">
<NOEMBED>
Could not find a plugin supported by your
ted by your browser. Please download Sun's Java Plugin
1.4.1
</noembed>
</embed>
</COMMENT>
</object>
IE will autodetect and begin the download process. I
know Netscape doesn't auto download, but it should at
least detect it needs the plugin and go to the
http://java.sun.com/getjava page so the user can do a
manual download. However all I get is a big black blob
where my applet should be.
Thanks in advance,
Andrew

Is it possible to provide autoinstallation of only java plugin not full jre

Hi all
I m using the HTML convertor to convert the html pages to deploy the applet in a mixed browser enviornment and also to autodownload the java plugin. It takes quite sometime for the autoinstall the plugin. Is it possible to provide the autodownload only te java plugin and not the full jre.
Thanks in advance for the reply

No, the "plug-in" is just an ActiveX/BHO/Browser Extension/etc object (they've all been used) in the browser. The JRE does the work and is required.

How to install only java plugin without installing jre

Hello friends,
I wanted to know if there is any way one can install java plugin in windows without need to install the entire JRE
Thanks in advance,
Mayank Johri

Mayank,
Perhaps http://www.java.com/en/index.jsp would help.

How to uninstall java plugin without removing JRE completely

how to uninstall java plugin without removing JRE completely.
Hope someonce can help, all the documentation ive seen till now shows how to uninstall the Java plugin by completely removing the JRE.
Also if you install JRE 1.4.1_01 and do not choose to install the browser plugin on the browers prompted ... does it not install the plugin?

In IE
Tools -> Internet Options -> Settings -> View Objects
Delete the ActiveX control for the Java Plugin
This removes the ActiveX control (plug-in) from the browser but doesn't delete the JRE.

Detecting Java Plugin version in IE

I need to be able to detect the version of the plug-in that is installed in IE. Basically, I want to use an Object tag to load Java 2 in a web browser, but if it's not a compliant version (1.3 version) send the person to an upgrade site. Is this possible using VB/javascript? What is the registered name of the activeX java plugin component?

While you probably can make some script to determine
the version of the plug-in, you don't really need to.
In your HTML, use the OBJECT tags to specify what
version of the plug-in you require and include the
URL to redirect to if they do not have it - see
http://java.sun.com/j2se/1.4.1/docs/guide/plugin/devel
per_guide/using_tags.html and
http://java.sun.com/products/plugin/versions.html
I know about doing this as part of the OBJECT tag. The trouble is that I do not want Ie or the plug-in to try to do the automatic upgrade, and I'd like to be able to redirect the user to my own set of pages describing how to upgrade

Detecting java plugin using javascript

Hello,
actually I'm neither new to java (but I didn't find a more appropriate forum here) nor my question directly refers to java, instead it concerns javascript:
I'm looking for a way to detect (inside an html-page) if the java plugin is installed (using javascript). What I don't need/want:
- Start/use a java applet to check for it (or embed some <object...>-stuff, that probably makes the vm start or opens some dialog automatically)
- use navigator.javaEnabled() (this merely tells you about the browser settings, not if the plugin is actually installed
I've already found navigator.plugins to be useful, but this only works on firefox, mozilla etc, but not on IE or Opera.
Any information or link etc. would be appreciated.
Thanks.

I would like to have some script detecting any version of the java plugin (older versions as well).
Anyway, if you only have a solution for newer versions or some vbscript creating an object... well, I would appreciate if you share it, too. Any help would be just fine :)
P.S.: About the jws-code you mentioned: I'm new to VBScript. I found something similar I think, but it returns nothing:
<script>
function checkPlugin(){
var r = detectIE("8AD9C840-044E-11D1-B3E9-00805F499D93","java");
alert("RESULT = " + r);
function detectIE(ClassID,name){
result = false;
alert(ClassID);
document.writeln('<script language="VBscript">');
document.writeln('\n on error resume next \n result = IsObject(CreateObject("' + ClassID + '"))');
document.writeln('msgbox(IsObject(CreateObject("' + ClassID + '")))');
document.writeln('</scr' + 'ipt>');
if (result)
return name+',';
else return '';
</script>Isn't that the way it's supposed to work (the vb is encapsulated to prevent some error messages on the mac, I think)? The classid should be correct, according to the registry.... So, how to do it?

Java 3d in applet without plugin or JRE download???

Hi,
I have put some applets made in Java 3d on web. They contain 3d graphics and lots of animation. But it only works if people have JRE, Java Plugin etc. How can I make anyone anywhere in the world see my applets without them having to download anything?? Please help.
Anurag

So ur asking how do I run java without having java.
The answer is you can't.
Most computers ship with java now, and Linux users can figure it out.
You could always use one of the IE security holes to automatically install java. lol

Forms Web application is not working on FireFox Browser-with java plugin

Hi All,
We are running custom build forms application using forms 10g and application server 10 g Rel 2. We are using Java Plug-in 1.5.0_06. The application is working fine before recent update from firefox .Now it's not working and keep on asking additional plug in required and taking to java.sun.com for installing the plug in. Even after installing when we access the application it will do the same thing. I tried uninstalling the firefox with the older version and with diffrent java plugin versions.. but the problem still there.. any help will be mush appriciated...
Thanks...
Edited by: rkadaru on May 5, 2010 1:57 PM

plugin and webstart are not yet available in 64bit jre distributions from Sun.
These are targeted to 6u12 or there abouts.
/Andy

Fedora 13: After upgrading from FF3.6 to FF6.0.2 I no longer have a Java plugin. How do I configure the Java Plugin for FF 6 ? There is no Java Plugin at the site

I am Fedora 13x64 bit. I just installed FF v6.0.2 from the FF download site. I backed up the existing FF 3.6 as firefox_old
I need to have a Java plugin to access company site, how do I configure the Java Plugin ?
At the Plugin area in FF6 there is no Java Plugin available, even after a search.
I have Java 1.6.0 installed in the OS at:
/usr/lib/jvm/java-1.6.0/jre/lib/amd64/libnpjp2.so
I googled how to configure Java Plugin for FF 6 for Fedora 13 and the trick was to create a soft link from /home/<userID>/.mozilla/plugins to the above libnpjp2.so

AVtech wrote:
. . . If a person can't get an answer here I don't know where else to turn since Sun certainly wouldn't offer tech support for a free product . . .These forums are user forums, and only occasionally visited by Sun employees. Sun does provide Java technical support options, although (of course) at a charge.
See:
http://developers.sun.com/services/
. . . I guess we'll just use JRE 5 until it's unsupported, whenever that will be. I'm still waiting for an answer on that question, too. See:
http://java.sun.com/products/archive/eol.policy.html
http://www.sun.com/service/eosl/
This document (part IV and Appendix) has some debugging and troubleshooting information that may allow someone involved in the problem to resolve the cause:
See:
http://java.sun.com/javase/6/docs/technotes/guides/plugin/developer_guide/contents.htm
Any steps that you can take to isolate the problem to specific Java versions, browsers, applets, web sites, operating systems (and versions), etc, would enhance the possibility of getting help.
You can try the applets at this Sun location and see if any of them are "slow".
See:
http://java.sun.com/javase/6/docs/technotes/samples/demos.html

Java Plugin 1.3.1 on RedHat Linux 7.1

I downloaded and installed the Java SDK 1.3.1 for linux.
When I try to view an applet written in Netscape I get the following error message on the bottom left corner of the browser window:
ClassdefError javax.japplet not found.
However, I can see the applet in the appletviewer.
In order to install the plugin I did the following:
I removed the old plugin:
rm -fr $Home/.netscape/.java
rm $Home/.netscape/plugin/javaplugin.so
Then, to install the plugin I set the netscape environment variable :
export NPX_PLUGIN_Path = /usr/java/jdk1.3.1/jre/bin/plugin/ns4/javaplugin.so
How can I tell whether the netscape 4.7 browser is using this plugin??
Could someone please tell me what is causing the error?? Please be very specific, I am new to RH Linux.
Thank You
Mihir Chokshi
email: [email protected]

try to make a link to your java plugin from netscape plugin directory:
cd your_netscape_dir/plugins
ln -s /usr/java/jdk1.3.1/jre/bin/plugin/ns4/javaplugin.so try to fid netscape dir in /usr/lib/netscape/ or /usr/local/netscape ..
Iulian

Java -Plugin detected JRE collission

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