Enabling the java plugin of a browser

how to enable the java plugin of a browser. It says go to control panel of the windows, but there is no such icon..how to enable it???

go to www.java.com and follow instructions.

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Java update 2012-006 did not remove Java plugin from any browser

I successfully installed Java update 2012-006 via Software Update on my iMac running OS X Lion 10.7.5 (German) and it updated the Java runtime to version 1.6.0_37 and removed the Java Preferences application as expected, but it did not remove the Java plugin from any browser!
Safari and Firefox can still use the Java plugin as before.
I repaired permissions, rebooted, manually downloaded Java update 2012-006 and successfully installed it again without any change to the Java plugin: it is still present on my system and fully functional from any browser!
The web is full with messages from users missing the Java plugin after installing this update - but I could not find anything about the plugin not being removed!
Is anyone experiencing the same behaviour under Lion? I thought this would happen only under Snow Leopard...
What should I do now? Can I really trust this "successfull installation" of Java update 2012-006 on my system?
Thanks,
Michael

Thanks - I will keep the symlink in place and I won't touch the Deploy bundle, because I need the plugin in Safari and I don't need Oracle's Java 7 for now...
If the plugin is supposed to stay in the Deploy bundle, this could help others who miss the plugin - they could just recreate the symlink, right?
To summarize I think we can state, that the Java update 2012-006 for Lion and Mountain Lion sometimes leaves the symlink in /Library/Internet Plugins/ untouched.
The circumstances that lead to this behaviour are still unknown.
The install log in Console shows that the scripts to create links and to delete obsolete files ran okay, but there was an error with the "postinstall" script. In spite of this the installation succeeded:
Oct 20 16:24:52 michaels-imac Installer[284]: Java für OS X 2012-006 Installation Log
Oct 20 16:25:56 michaels-imac _securityagent[305]: Running Install Scripts . . .
Oct 20 16:25:56 michaels-imac _securityagent[307]: Begin script: createlinks
Oct 20 16:25:56 michaels-imac _securityagent[309]: End script: createlinks
Oct 20 16:25:56 michaels-imac _securityagent[310]: Begin script: deleteObsoleteFiles
Oct 20 16:25:56 michaels-imac _securityagent[314]: End script: deleteObsoleteFiles
Oct 20 16:25:56 michaels-imac _securityagent[318]: Running Install Scripts . . .
Oct 20 16:25:56 michaels-imac _securityagent[320]: Begin script: postinstall.sh
Oct 20 16:25:56 michaels-imac installd[295]: postinstall: launchctl: Error unloading: com.apple.mrt.uiagent
Oct 20 16:25:56 michaels-imac installd[295]: postinstall: com.apple.mrt.uiagent: Invalid argument
Oct 20 16:25:56 michaels-imac installd[295]: postinstall: launchctl: Error unloading: com.apple.mrt.uiagent
Oct 20 16:25:56 michaels-imac installd[295]: postinstall: launchctl: Error unloading: com.apple.mrt
Oct 20 16:25:56 michaels-imac _securityagent[334]: End script: postinstall.sh
Oct 20 16:25:56 michaels-imac installd[295]: Installed "Java für OS X 2012-006" ()
Oct 20 16:25:56 michaels-imac Installer[284]: Displaying 'Install Succeeded' UI.
Does anybody know what "com.apple.mrt.uiagent" and "com.apple.mrt" stands for?
Obviously the "postinstall" script provides an invalid argument (at least on my system).
I have no idea if this is related to the Java Plugin symlink not being removed...

HT1338 In order to some calculator functions on the "Bankrate" website I need to enable the Java Browser function. I can I accomplished that task?

In order to some calculator functions on the "Bankrate" website I need to enable the Java Browser function. I can I accomplished that task?

In recent versions of Lion, Java is automatically disabled (for security reasons) if it goes unused for a certain amount of time. You can re-enable it in the General pane of the Java Preferences app, found in /Applications/Utilities. (Check the box at the top of that pane.) If trying to open Java Preferences results in a message asking if you want to install Java, you don't actually have Java yet. Click the install button to install it.
Note that having Java turned on in your web browser is dangerous, due to recent proliferation of malware that uses Java to install itself.

Does Firefox support java applets if the "Next generation plugin" is disabled via the Java plugin control panel.

I'm still trying to get a definitive answer to this question.
My applet is not "Next Generation compliant". When we run our applet in Internet Explorer it runs fine as long as we disable the "Next Generation Plugin" via the Java plugin control panel. However our applet does not run in Firefox if the "next generation applet" is disabled.
Is it a requirement that if I want to run an applet in Firefox 3.6.x or higher that the "next generation plugin" be enabled via the Java plugin control panel.

Current Firefox versions (3.6 and later) can only run Java applets via the Next Generation plugin.
*http://java.com/en/download/help/new_plugin.xml

Trying to download the Java Plugin is an impossible situation ! Help ! !

Dear People,
You cannot believe what I have been through trying to do a first applet !
A long time ago downloaded a version of the plugin (a cup of coffee icon in the control panel). Then recently I downloaded a new version
(1.4.1_01) (a second cup of coffee icon in the control panel)
Well I was not able to run my first applet after creating a good
batch file (with help of course) named javacompile:
echo off
cls
PATH=C:\j2sdk1.4.0_01;C:\j2sdk1.4.0_0\bin;C:\j2sdk1.4.0_01\lib;C:\WINDOWS\jbproject\objectdraw.jar
javac -classpath C:\WINDOWS\jbproject\objectdraw.jar;C:\WINDOWS\jbproject %1
my program MakeBox.java compiles ok at the Dos prompt
when I open the MakeBox.html in the browser the error message says:
"The required component is not available for this version of windows"
I was told to uninstall the plugin and download it again
So I took 50 minutes to download it and the message said:
"You already have the jre1.4.0_01 do you want to uninstall ?"
so I said "no" ... was this an idiot move on my part?
then it continued to download the plugin and when it was done it said:
"You already have the java plugin, do you want to uninstall it?"
I answered "no"....was this also an idiot move on my part??
What to do ?
totally confused
Stan

Dear People,
I just received an e-mail letter from the author of
"A Eventful Approach" Thomas Murtagh ! ! !
The most advanced Java paradigm text for Java beginners ! !
http://applecore.cs.williams.edu/~cs134/eof/
Even though his letter is very clear, my brain doesn't know what
to do in the context of compiling at the Dos prompt, (trying to do my
first applet). Below is the letter and then the code to MakeBox.java
and MakeBox.html Please shed some light for me.
Thank you in advance
Stan
I meant that in our definition of the WindowController class, we said:
public class WindowController extends Applet {
So, when you say
public class MakeBox extends WindowController {
the MakeBox class you define is (indirectly) an Applet. In particular,
with most Java programming environment, you can run the program as an
applet (i.e. using Sun's appletviewer or JBuilders applettestbed).
Tom
Here is the code:
import objectdraw.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class MakeBox extends WindowController
public void init()
this.setSize(new Dimension(400,300));
public void onMousePress(Location point)
new FilledRect(40,80,30,20,canvas);
<html>
<head>
<title> Make Box
</title>
<body>
<applet
codeBase = "."
code = "MakeBox.class" width = 300 height = 200 >
</applet>
</body>
</html>

How do I disable the java plugin?

I have already done
-tools->Internet options->Advanced
- unchecked 'use java2 1.4.2_04 for < applet> (requires restart)'
- checked Microsoft VM java console enabled (requires restart)
- reinstalled the MS JVM (MSJavWU_8073687b82d41db93f4c2a04af2b34d)
- set my class ID to
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"> which is supposed to be for MS
Every time I run the applet, the java plugin console appears with 1.4.2_04 version running.
what else can I do?

I created my applet using 1.4 and I want to be sure that it works for people without the plugin. Applet tags alone cause a gray box, while Object tags work but seem to invoke the plugin.
Also is there a way to check the highest JVM/ plugin version needed for my applet? I don't want to have to manually thumb through javadocs for each object in each file to check when it first appeared. I also don't want to have to download each environment and try to compile the applet.
Thanks.

No option to Enable the Java applet plug-in and Web Start applications

How do I Enable the Java applet plug-in and Web Start applications
Their is no option under java preferences General Tab
The options i get their are
     Run appelts
          in their own proccess
          Within the browser process
          (Defaut most compatible)
Under the network tab im told
By default java applets and web start applications use network settings in the system network preferences. Only advanced users should modify these settings
Any ideas on why it is like this?

Mac OS 10.6.8
This happend once before when I was running 10.5.8 I fixed it but for the life of me i can't remember how i did it.

JavaScript to Java with the Java Plugin, anyone?

The java.sun.com web site seems to be teeming with docs on how to access JavaScript from Java, and the Netscape site seems to have plenty of docs on how to access Java methods from JavaScript using the browser's own JRE.
But can one use JavaScript to access methods of a Java applet running under the Java Plugin? And if so, how?

all the public methods and fields of an applet are exposed to javascript. In the <applet> tag, set...
<applet ...otherinfo... mayscript></applet>, or
<applet ...otherinfo... mayscript="true"></applet>
I think the latter version is safer to use, as I think IE has issues if you just use the mayscript tag without the "true" value.
So if that is set, in javascript all you have to do is address the applet, and call any of its public fields/methods. (Actually, I know you can call all public methods and I think you can call all the public fields as well...)
var applet = self.document.applets[0];So now you can call all the public members, such as...
applet.start();
applet.stop();
applet.myPublicFn1();
applet.myPublicFn2(arg1, arg2);
var val = applet.pubField1;etc.
Note that if you're using Java2 (swing) thru the object/embed tags rather than just using the applet tag, things don't work that smoothly. I tried once and the applet wasn't actually found in the applets collection of the document. I tried finding the 'applet' object but had no such luck...
Hope that helps.
Good luck.

Which Java Plugin? Which Browser

Hello,
I developed a simple chat program which used to work fine. I added a swing object to it, and now it is not displayed on some browsers. What is the version of Nestcape, Explorer, I need to have and which plug-in do I need?
--CS.

Swing needs the Java plugin to display on any/all IE browsers. Use the current plugin available for download at java.sun.com. IE5, 5.5 and 6 all work well. NS6 is the only Netscape browser that I've seen recommended, but I'm only repeating what I hear, since I dont use it.
I don't understand the prior reponse, IE6 is the latest. He might be alluding to the fact that Windows XP (with its version of IE6) is shipping without a Java VM; Until MS starts including the VM again, all XP systems need to download the Sun Plugin before they'll display any Java.

HT5243 How does one know if they use "java applets"? What do they do? How will I know if I need to 'disable the java web plug-in browser' if I do not use them? ( I'm not very literate in computer-speak.

How does one know if they use "java applets"? What do they do? How will I know if I need to 'disable the java web plug-in browser' if I do not use them? (Obviously I'm not very literate in computer-speak.)

Well, when you go to a web page a section of the web page will have a coffee cup picture where the java applet will run. The applet loads then runs. If you are not seeing this behavior then you are not using java. If it make you feel more comfortable then disable the browser java plugin. On my machine I have not disable java- but you
may what to.

How can i change font used by the java plugin?

im running j2se 1.4.0 on win2k, and the java plugin is using a font that is not readable because sized way too small (also, the font is not a 'standard' font).
the font is also applied do class loading or exception messages in java applets (in IE5.5, but i don't think that this is browser-related).
is there a possibility to change to font (or the font size)?

thanks for the tip, but this problem seems not to be tightened to the font.properties file:
the wrong font is only used with the j2sdk1.4.0 plugin, not with that from j2re1.4.0 (actually, i had installed jre first, and afterwards j2sdk without removing j2re before). changing the plugin used back to j2re made the java console display the correct font (though the font.properties files were identically in both cases).

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

The Java plugin has created a time unfriendly issue with my e-mail account, I can not open or send any e-mail without using this plugin, how can I eliminate this problem without dropping m. firefox?

A few days ago I tried to e-mail a friend, when I started A box came up and it required me to add a plugin..Java. I contacted my e-mail courier and microsoft, they told me that is was a plugin from Mozilla Firefox. Since then I must go through Java to send or open an e-mail... this is NOT to my satisfaction, it takes too long for all of this to open and if it is not cleared , I am dropping Mozilla and going elsewhere. Why has this occurred? Is this a result of the last update? If so can I delete the last update and continue on the other version?
== This happened ==
Every time Firefox opened
== last week

Sorry, I have no idea what you mean by '''"The Java plugin has created a time unfriendly issue with my e-mail account, I can not open or send any e-mail without using this plugin,"'''.
If you think your problem is caused by the Java plugin, you should visit the Java support forum for assistance.
http://forum.java.sun.com/index.jspa
If you could explain what you mean by '''"time unfriendly''' issue with my e-mail account", maybe we'll be able to help you solve that issue.
It might be helpful for us if we knew exactly which web-mail provider you are using. It seems strange to me that viewing or sending web-mail would actually "need" Java for operation, its more likely that some other item on the web page needs Java to run some advertising or other garbage that isn't a necessary part of the web-mail functionality you want to use.

How to access the Java plugin certifcate store from a signed applet?

Is there any easy way I can access the certificates in the Java plugin certificate store?
I think I can load the C:\Documents and Settings\<login user>\ Application Data\Sun\Java\Deployment\security\trusted.certs into a KeyStore and examine the certificates that way.
But I just wonder if there is more robust way to do this without loading up an external file since an applet is executed within a Java plugin.
Thank you :)

Is there any easy way I can access the certificates in the Java plugin certificate store?
I think I can load the C:\Documents and Settings\<login user>\ Application Data\Sun\Java\Deployment\security\trusted.certs into a KeyStore and examine the certificates that way.
But I just wonder if there is more robust way to do this without loading up an external file since an applet is executed within a Java plugin.
Thank you :)

How do I enable the Java Accessibilty Stuff?

Hi. I'm trying to make my application accessible via a screen reader to impaired users. Unfortunately, I'm not having any success whatsoever. If I didnt know Java had accessibility stuff built-in, I would assume that it was just not compatible at all with screen reader technology.
How do I enable the Java accessibility stuff so that UI components are accessible to a screen reader; they can be iterated over and get sensible names and/or descriptions of them?
I wrote a simple application, attached below, which just makes a demo UI from which I can start learning the basics of the accessibility stuff. Out of the box, the UI is completely opaque to a screen reader (I'm using the VoiceOver utility bundled with Mac OS X, which does ok with normal applications).
I tried setting things focusable to no avail, voice over cant cycle through the UI component using the normal keyboard short cuts, and nothing is spoken when I tab between components, despite some things having natural labels, like a menu, and some things, like the button, where i've set the accessible name and description on the accessible context of the component.
Obviously, I'm doing something wrong or I just don't understand how the accessibility stuff works.
Could someone please shed some light on this so that I can make my application accessible to a screen reader?
Thanks.
    private static void try508Example() {
        JFrame aFrame = new JFrame();
        JMenuBar aMenuBar = new JMenuBar();
        JMenu aMenu = new JMenu("Test");
        aMenu.setMnemonic(KeyEvent.VK_T);
        JMenuItem aItem1 = new JMenuItem("Test Item 1");
        aItem1.setFocusable(true);
        aItem1.getAccessibleContext().setAccessibleName("Test Item 1");
        aItem1.getAccessibleContext().setAccessibleDescription("Test Item 1 Description");
        JMenuItem aItem2 = new JMenuItem("Test Item 2");
        JMenuItem aItem3 = new JMenuItem("Test Item 3");
        aMenu.add(aItem1);
        aMenu.add(aItem2);
        aMenu.add(aItem3);
        aMenuBar.add(aMenu);
        aFrame.setJMenuBar(aMenuBar);
        JTabbedPane aTabPanel = new JTabbedPane();
        aTabPanel.setFocusable(true);
        JTextArea aTab1Comp = new JTextArea();
        JScrollPane aTab2Comp = new JScrollPane(new JTree());
        aTabPanel.addTab("Tab1", aTab1Comp);
        aTabPanel.addTab("Tab2", aTab2Comp);
        JTree aTree = new JTree();
        aTree.setFocusable(true);
        JLabel aLabel = new JLabel("some label");
        aLabel.setLabelFor(aTree);
        aLabel.setFocusable(true);
        JScrollPane aScrollList = new JScrollPane(new JList());
        aScrollList.setFocusable(true);
        JButton aBtn = new JButton("Button");
        aBtn.setFocusable(true);
        aBtn.getAccessibleContext().setAccessibleName("Button Name");
        aBtn.getAccessibleContext().setAccessibleDescription("Button Description");
        JPanel aContent = new JPanel(new BorderLayout());
        aContent.add(aTabPanel);
        aContent.add(aBtn, BorderLayout.NORTH);
        aContent.add(aScrollList, BorderLayout.EAST);
        aContent.add(aTree, BorderLayout.WEST);
        aContent.add(aLabel, BorderLayout.SOUTH);
        aFrame.setContentPane(aContent);
        aFrame.setSize(640, 480);
        aFrame.setVisible(true);
        aFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

Ok, so a very curious issue. If I comment out adding the menu bar to the window, ie comment out this line:
aFrame.setJMenuBar(aMenuBar);
The screen reader reads me back everything just like I would expect. I comment the line back in, and nothing, the application is completely invisible to the screen reader.
Anyone have any idea what this is about?

Enabling the java plugin of a browser

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