Java 1.5.09/10 Java Applet on Vista - starts but never downloads files

We are attempting to test a java 1.5.07 compiled and signed Java applet with Windows Vista (from MSDN).
Logged in as an administrator on the client PC, we installed the 1.5.09 and the 1.5.10 JRE on the client.
We then changed the html of the applet page to specifiy the new plugin version so it matched the JRE installed on the client.
When we start up IE7, point to our HTML applet page, and attempt to download (cache) our applet, the default Java plugin graphic with the progress bar onthe bottom shows up, but no progress is ever made.
Taking a look at the Java console with full debugging turned on, we don't see any activity. When I dumped the classloader list, it only shows the codebase string, but no classes are actually loaded.
I thought that maybe a popup window (asking to verify the certificate) might have popped up and was hidden by another window, but that's not the case. It never appears.
Does anyone have any thoughts or suggestions? I can certainly attempt to capture more debug if someone can point me in the right direction!
Thanks!
-Matt

Ok, some more info - and this gets interesting!
The server is located in a DMZ here at work. (We have offshore teams in russia who are developing and testing code)
It seems to be an issue with the internal firewall/DMZ here at work.
We moved the codebase to a machine that is locally located (not in a DMZ) and presto, the applet begins to download.
When I find out more information, I'll post in case anyone else comes across a similar concern/issue. It may be the firewall/router vendor?!?
-Matt

Similar Messages

Java Applet fails to start, but Java is installed correctly

Hello,
I have tried everything to get Java functioning in our IT rooms, different versions, permissions, etc.
But to no avail, we are behind a DMZ and a Proxy Server. This only occours when logged in as a student (differnt proxy server, with filtering) but the internet still funtions.
This is the error I recieve: (when performing the "Have I got Java" test on this website).
load: class testvm.class not found.
java.lang.ClassNotFoundException: testvm.class
     at sun.applet.AppletClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadCode(Unknown Source)
     at sun.applet.AppletPanel.createApplet(Unknown Source)
     at sun.plugin.AppletViewer.createApplet(Unknown Source)
     at sun.applet.AppletPanel.runLoader(Unknown Source)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Exception in thread "Thread-37" java.lang.NullPointerException
     at sun.plugin.util.AnimationPanel.createTranslucentImage(Unknown Source)
     at sun.plugin.util.AnimationPanel.createGradientShapeImage(Unknown Source)
     at sun.plugin.util.AnimationPanel.initBackground(Unknown Source)
     at sun.plugin.util.AnimationPanel.preloadResources(Unknown Source)
     at sun.plugin.util.AnimationPanel.doPaint(Unknown Source)
     at sun.plugin.util.AnimationPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Any help would be appriciated!
Regards,
Alex.

Applet for my project play very important roll because it does what other technology can not or very hard , the applet I developed is about 6MB in size it control a remote observatory completely with server side java program consist of web server and JSP engine and ftp server plus code to control hardware through COM drivers and many things without java technology it is very hard to do the same development in reasonable time and resources , the applet I developed has a dynamic integrated planetarium with thousands of deep sky objects observers can zoom in and out and search for object can slew telescope to any object in the sky just with mouse click and they can do observation planning and take images of deep sky object plus ftp all in one applet and it is dynamic let observer feel he is in real time observatory control I tried before the HTML 5 but no thing to compare if applet run correctly and it does under windows , OK I was little frustrating because maybe some BUGs but I have to remember many peoples working hard to bring us all these features of Java and I think Java is offer me as developer a great technology and let me offer my customers very good service.

Java Applet HelloWorld "Getting Started With Applets" example not working

Hi there,
It's been ages since I ran my Linux CentOS boot of Linux but I am going through the official oracle java applet tutorials, just every time I try and run the "Hello World" applet in Firefox 17.0.3 and I am running the Iced Tea thing for java applets.
Every time I try and run the example from the following code:
import javax.swing.JApplet;
import javax.swing.SwingUtilities;
import javax.swing.JLabel;
public class HelloWorld extends JApplet
// called when the user enters the html page:
public void init() // keep apps within the init() function very small as per the http://docs.oracle.com/javase/tutorial/deployment/applet/appletMethods.html
    try{
      SwingUtilities.invokeAndWait(new Runnable()
        public void run()
       JLabel myLabel = new JLabel("Hello World");
       add(myLabel);
        } // end running the application
      }); //end of swing invokeand wait
    } catch (Exception error){ // end user running the app in page
       // System.err.println("GUI didn't work on initial run");
}It keeps bringing up the error "Start: Applet not initialized" I did google that basic error and from what I found I should consult the JavaConsole, I know the console was removed from the Firefox menu quite a while ago. So went to find a way of loading it using the IcedTea one but it keeps bringing up a load of errors in even trying to run that.
Is there anyway of sorting this out? I mean I have even tried installing the one on the oracle website, the plain JDK but nothing seems to work.
Is there anyone that can help me get applets working? I was even going to go as far as to reinstall my distro but I want to avoid that as much as possible.
Thanks and I look forward to any replies,
Jeremy.

in the Getting Started with Java DB tutorial they
tell u how to set ur "DERBY_HOME" (what is that?).
once i press enter after typing this command:
set DERBY_HOME=D:\Java\Java
Phonebook\javadb in my command prompt do i get
any message or does it just go to the next line?type env or set or whatever in the command line to see what your environment variables are set to
they also tell u how to set ur "JAVA_HOME" (what is
that?). The Java installation you want to use
in their example they give u this: set
JAVA_HOME=C:\Program Files\Java\j2se1.4.2_05but in my java folder i have jdk1.6.0 and jre1.6.0
but no j2se1.4.2_05, so which 1 must i choose?It's up to you. I'd go with 1.6
also once ive done this: set
DERBY_HOME=D:\Java\Java Phonebook\javadb this
set JAVA_HOME=D:\Program
Files\Java\jre1.6.0 and this set
PATH=%DERBY_HOME%\bin;%PATH% and then type
sysinfo to verify that the variables were set
correctly i get these errors: 'D:\Java\Java' is
not recognized as an internal or external command,
operable program or batch file and '""'
is not recognized as an internal or external command,
operable program or batch file any help would
really be appreciated because this is really killing
me!you need to set your path variable - so something like:
set PATH=C:\Program Files\Java\j2se1.4.2_05\bin

A helloworld java applet that will work on an html file

I have spent a lot of time trying to get a java applet to work on a web page. Of course, I can download zip packages and they will work. But I can?t seem to find a formula for creating something simple that will work.
All the examples that I have found will either work on Windows when running it on the command line, or work in Netbeans, but none of them will work when I put time into an html file on a linux web server.
Can someone post, maybe the simplest code that will output ?Hello world? on a Linux Apache Web server.
I have the gist for creating and programming java? as least a basic start. But I?m anxious to see an example that I can compile that will actually display on an html file and not just my Windows programming environment.
Thanks in advance for any feedback on this.
-- L. James
L. D. James
[email protected]
www.apollo3.com/~ljames

AndrewThompson64 wrote:
apollothethird wrote:
I have spent a lot of time trying to get a java applet to work on a web page. Of course, I can download zip packages and they will work.Does that somehow relate to this problem? What exactly does a Zip 'package' do when it 'works'?It displays the text on the web page.
>
.. But I cant seem to find a formula for creating something simple that will work.
All the examples that I have found will either work on Windows when running it on the command line, or work in Netbeans, but none of them will work when I put time into an html file on a linux web server.
Can someone post, maybe the simplest code that will output Hello world on a Linux Apache Web server.
Is that a question? Please make sure to add a question mark.
// <applet code='HelloWorldApplet' width='400' height='300'></applet>
import javax.swing.*;
public class HelloWorldApplet extends JApplet {
public void init() {
add(new JLabel("Hello World!"));
validate();
I have the gist for creating and programming java as least a basic start. ... Applets are not for newbies. Leave them alone for at least another 6 months.Thanks, Andrew. The lines of text you provided were very enlightening. I was able to do a lot of dissecting and experimenting and have the full gist of my question answered. I don?t have any problems outputting either text on the console or text on browsers.
-- L. James
L. D. James

Why does my Firefox say my java applet is corruped and will,not download for my game

I play a lot of games on POGO and they tell me that I have to have JAVA and Mozilla Fire Fox for my browser. I have 1 game that I get kicked off of each time I try to play it. I get a notice telling me that my browser says my applet from Java is corrupted and will not download. I have done everything they suggest and nothing works. Mozilla seems to be a terriable choice for me as a browser I have a lot of ppproblems with them getting me to my web pages.. help!!

Hi,
Have you tried deleting the Java applet cache from the '''Java Control Panel''' > '''Temporary Internet Files''' > '''Settings''' > '''Delete Files...'''?

Java Applets cannot work in IE when PAC file is in shared folder

I have a PAC file (proxy auto config) residing in a shared folder, i.e. \\fileserver\share\proxy.pac. My IE and firefox is configured to point to the PAC file. Java applet is working fine in Firefox but fails to run in IE.
From the Java console, the applet seems to be trying to access the internet via DIRECT connection. The applet works properly when I configured IE to point to a PAC file in a web server, ie http://webserver/proxy.pac or in the local drive, ie file://c:\proxy.pac. My objective is to configure IE to point to a PAC file in a shared folder and make it work. Can anyone help?
Below are the logs from both IE and Firefox Java Console (thrimed):
1) IE:
Java Plug-in 1.6.0_13
Using JRE version 1.6.0_13 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\xxx
network: No certificate info for unsigned JAR file: https://internet-banking.dbs.com.sg/IB/Login2.jar
network: Cache entry found [url: https://internet-banking.dbs.com.sg/IB/Login2.jar, version: null]
network: Connecting https://internet-banking.dbs.com.sg/IB/Login2.jar with proxy=DIRECT
network: CleanupThread used 299461 us
network: Connecting http://internet-banking.dbs.com.sg:443/ with proxy=DIRECT
network: Connecting https://internet-banking.dbs.com.sg/IB/Login2.jar with proxy=DIRECT
network: Connecting http://internet-banking.dbs.com.sg:443/ with proxy=DIRECT
java.net.ConnectException: Connection timed out: connect
     at java.net.PlainSocketImpl.socketConnect(Native Method)
     at java.net.PlainSocketImpl.doConnect(Unknown Source)
     at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
     at java.net.PlainSocketImpl.connect(Unknown Source)
     at java.net.SocksSocketImpl.connect(Unknown Source)
     at java.net.Socket.connect(Unknown Source)
     at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
     at sun.net.NetworkClient.doConnect(Unknown Source)
     at sun.net.www.http.HttpClient.openServer(Unknown Source)
     at sun.net.www.http.HttpClient.openServer(Unknown Source)
     at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
     at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
     at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
     at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
     at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
     at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
     at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
     at sun.plugin.PluginURLJarFileCallBack.downloadJAR(Unknown Source)
     at sun.plugin.PluginURLJarFileCallBack.access$000(Unknown Source)
     at sun.plugin.PluginURLJarFileCallBack$2.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.plugin.PluginURLJarFileCallBack.retrieve(Unknown Source)
     at sun.net.www.protocol.jar.URLJarFile.retrieve(Unknown Source)
     at sun.net.www.protocol.jar.URLJarFile.getJarFile(Unknown Source)
     at sun.net.www.protocol.jar.JarFileFactory.get(Unknown Source)
     at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source)
     at sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(Unknown Source)
     at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFileInternal(Unknown Source)
     at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(Unknown Source)
     at sun.misc.URLClassPath$JarLoader.getJarFile(Unknown Source)
     at sun.misc.URLClassPath$JarLoader.access$600(Unknown Source)
     at sun.misc.URLClassPath$JarLoader$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.misc.URLClassPath$JarLoader.ensureOpen(Unknown Source)
     at sun.misc.URLClassPath$JarLoader.<init>(Unknown Source)
     at sun.misc.URLClassPath$3.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.misc.URLClassPath.getLoader(Unknown Source)
     at sun.misc.URLClassPath.getLoader(Unknown Source)
     at sun.misc.URLClassPath.getResource(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
network: Connecting https://internet-banking.dbs.com.sg/IB/Login2.jar with proxy=DIRECT
network: Connecting http://internet-banking.dbs.com.sg:443/ with proxy=DIRECT
2) Firefox:
Java Plug-in 1.6.0_13
Using JRE version 1.6.0_13 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\xxx
network: No certificate info for unsigned JAR file: https://internet-banking.dbs.com.sg/IB/Login2.jar
network: Cache entry found [url: https://internet-banking.dbs.com.sg/IB/Login2.jar, version: null]
network: Connecting https://internet-banking.dbs.com.sg/IB/Login2.jar with proxy=HTTP @ mocwsg01.m1.com.sg/10.33.90.91:8080
network: CleanupThread used 306588 us
security: Loading Root CA certificates from C:\Program Files\Java\jre6\lib\security\cacerts
security: Loaded Root CA certificates from C:\Program Files\Java\jre6\lib\security\cacerts
security: Loading SSL Root CA certificates from C:\Program Files\Java\jre6\lib\security\cacerts
security: Loaded SSL Root CA certificates from C:\Program Files\Java\jre6\lib\security\cacerts
security: Loading Deployment SSL certificates from C:\Documents and Settings\xxx\Application Data\Sun\Java\Deployment\security\trusted.jssecerts
security: Loaded Deployment SSL certificates from C:\Documents and Settings\xxx\Application Data\Sun\Java\Deployment\security\trusted.jssecerts
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
security: Checking if certificate is in Deployment denied certificate store
network: ResponseCode for https://internet-banking.dbs.com.sg/IB/Login2.jar : 200
network: Encoding for https://internet-banking.dbs.com.sg/IB/Login2.jar : null
network: Disconnect connection to https://internet-banking.dbs.com.sg/IB/Login2.jar
basic: Applet loaded.
basic: Applet resized and added to parent container
basic: PERF: AppletExecutionRunnable - applet.init() BEGIN ; jvmLaunch dt 1677884 us, pluginInit dt 1844261 us, TotalTime: 3522145 us
basic: Applet initialized
basic: Removed progress listener: sun.plugin.util.GrayBoxPainter$GrayBoxProgressListener@15ee671
basic: Applet made visible
basic: Starting applet
basic: Applet started
basic: Told clients applet is started

Did you ever resolve this issue ? We have recently moved from a http based pac file to using file://netlogon share/proxy.pac. Recievng similar errors as you describe with various applets. Seems to work ok when using the same pac file launched by http rather than file. Seems to be various BUG's marginally related to similar issues but nothing to confirm that its a real problem.
Be great if anyone has an answer to this.
Thanks

Java applet freezing over internet but not on harddrive

Hi,
So I have this java applet game, When running the webpage with it off my harddrive the applet runs fine. However, after putting my website on my server after leaving the second menu, into game mode, the java applet freezes. I don't think it's a code issue since it doesn't freeze when running off my harddrive, or when running in netbeans. What would cause this????
hiraganakatakana.tantonj.com --- that's the url for the game, you'll see how it freezes after choosing one of the second options.

tantonj wrote:
..So I have this java applet game, When running the webpage with it off my harddrive the applet runs fine. However, after putting my website on my server after leaving the second menu, into game mode, the java applet freezes. I don't think it's a code issue since it doesn't freeze when running off my harddrive, or when running in netbeans. You are really new to applets, aren't you? I don't care where you are running the applet from, but how it is being run. Is it being run in appletviewer, or a browser, or something else?
..What would cause this????Please fix that sticky '?' key.
hiraganakatakana.tantonj.com
java.lang.NoClassDefFoundError: runApp (wrong name: hiraganakatakana/runApp)
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
       ....

ESR Builder java applet doesn't start

Hi all,
while trying to start the ESR Builder i get the following error message:
I opened it with Javaws from JDK 1.7. When i try to open it with a 1.6 version, the application didn't even get displayed.
The weird thing is that opening the Integration builder isn't a problem at all..
Is this a java related issue or has this something to do with SAP?
Thanks for your help,
Maurice

Hi Maurice,
The problem should be in java version. Please check the below blog
Troubleshooting PI ESR and Integration Builder Logon Issues - Process Integration - SCN Wiki
Unable to open IR/ESR/ID ? (XI/PI/PI 7.1) [Updated for PI 7.1 support]
New error when launching the PI Integration Builder tools
regards,
Harish

Java Applets not working with Firefox 5 properly

Java Applets work sometime. But after sometime the Java icon at the bottom (near date & time) disappears. After this no matter what I do it does not work. Java Applets are used in this case to draw charts. The same charts come out properly in Internet Explorer. But I prefer using Firefox for its speed. What is the reason for this problem ?

-> Tap ALT key or press F10 to show the Menu Bar
-> go to Help Menu -> select "Restart with Add-ons Disabled"
Firefox will close then it will open up with just basic Firefox. Now do this:
-> Update ALL your Firefox Plug-ins https://www.mozilla.com/en-US/plugincheck/
-> go to View Menu -> Toolbars -> unselect All Unwanted toolbars
-> go to Tools Menu -> Options -> Content -> place Checkmarks on:
1) Block Pop-up windows 2) Load images automatically 3) Enable JavaScript
-> go to Tools Menu -> Options -> Privacy -> History section -> ''Firefox will: '''select "Remember History"'''''
-> go to Tools Menu -> Options -> Security -> place Checkmarks on:
1) Warn me when sites try to install add-ons 2) Block reported attack sites 3) Block reported web forgeries 4) Remember Passwords for sites
-> Click OK on Options window
-> click the Favicon (small drop down menu icon) on Firefox SearchBar (its position is on the Right side of the Address Bar) -> click "Manage Search Engines" -> select all Unwanted Search Engines and click Remove -> click OK
-> go to Tools Menu -> Add-ons -> Extensions section -> REMOVE All Unwanted/Suspicious Extensions (Add-ons) -> Restart Firefox
You can enable your Known & Trustworthy Add-ons later. Check and tell if its working.

Can't load java applet? help please?

I am trying to load a java applet after an upgrade - but security settings are blocking it - please help

Java is no longer supported on Mac OS X 10.6. The security of Java has been found to be so bad, you are lucky to get any Apps that work wtih it. You need a minimum of Mac OS X 10.7.3 to run the latest Java applets and that using Java from http://www.java.com/ See the user tip here to optimize Java under 10.6.8
https://discussions.apple.com/docs/DOC-5532

Java applet IO Filepermissions

From what I understand, all a local applet needs to write to a local file is granted permission. I have 2 files. Both are located in the directory "C:\Documents and Settings\Soots\Desktop":
Stuff.txt - Blank document.
TestWriter.java - Java applet containing one button that when clicked, writes some text to the file Stuff.txt
C:\Program Files\Java\jre1.5.0_11\lib\security\java.policy:
http://img.photobucket.com/albums/v490/Soots/PolicyTool.jpg
http://img.photobucket.com/albums/v490/Soots/PolicyEntry.jpg
C:\Documents and Settings\Soots\Desktop\TestWriter.java:
//Java applet that Writes "TestingOutStream" to a text file called Stuff.txt
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
import java.io.*;
public class TestWriter extends Applet implements ActionListener
     private Button myButton;
     public void init()
          myButton = new Button("Click Here to write to Stuff.txt");
          myButton.addActionListener(this);
          add(myButton);
     } //init()
     public void actionPerformed (ActionEvent e)
          if (e.getSource() == myButton)
               try {
                    FileWriter outStream = new FileWriter("Stuff.txt"); //create stream and open File Stuff.txt
                    outStream.write("TestingOutStream"); //Write the text TestingOutStream
                    outStream.close(); //Close the output stream
               } catch (IOException i) {
                    System.out.println("IOERROR: " + i.getMessage() + "\n");
                    i.printStackTrace();
          } //if
          else
          System.out.println("Somthing else was clicked");
     } //actionPerformed()
} //FirstApplet classException:
http://img.photobucket.com/albums/v490/Soots/JavaSecurityException.jpg
The policy in the policy file should grant the TestWriter.java the ability to write to Stuff.txt but the exception says otherwise. One more thing, does anyone know how to turn on full trace using Windows XP jre1.5.0_1? I have no jpicpl32.exe that I can find.

From what I understand, all a local applet needs to write to a local file is granted permission. I have 2 files. Both are located in the directory "C:\Documents and Settings\Soots\Desktop":
Stuff.txt - Blank document.
TestWriter.java - Java applet containing one button that when clicked, writes some text to the file Stuff.txt
C:\Program Files\Java\jre1.5.0_11\lib\security\java.policy:
http://img.photobucket.com/albums/v490/Soots/PolicyTool.jpg
http://img.photobucket.com/albums/v490/Soots/PolicyEntry.jpg
C:\Documents and Settings\Soots\Desktop\TestWriter.java:
//Java applet that Writes "TestingOutStream" to a text file called Stuff.txt
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
import java.io.*;
public class TestWriter extends Applet implements ActionListener
     private Button myButton;
     public void init()
          myButton = new Button("Click Here to write to Stuff.txt");
          myButton.addActionListener(this);
          add(myButton);
     } //init()
     public void actionPerformed (ActionEvent e)
          if (e.getSource() == myButton)
               try {
                    FileWriter outStream = new FileWriter("Stuff.txt"); //create stream and open File Stuff.txt
                    outStream.write("TestingOutStream"); //Write the text TestingOutStream
                    outStream.close(); //Close the output stream
               } catch (IOException i) {
                    System.out.println("IOERROR: " + i.getMessage() + "\n");
                    i.printStackTrace();
          } //if
          else
          System.out.println("Somthing else was clicked");
     } //actionPerformed()
} //FirstApplet classException:
http://img.photobucket.com/albums/v490/Soots/JavaSecurityException.jpg
The policy in the policy file should grant the TestWriter.java the ability to write to Stuff.txt but the exception says otherwise. One more thing, does anyone know how to turn on full trace using Windows XP jre1.5.0_1? I have no jpicpl32.exe that I can find.

Send a fake keypress (linux) to a java applet

Hi,
I am having trouble writing a bash script that needs to send a keypress to a to a web embedded java applet...
I can send keypresses fine via xsendkey (http://pag.csail.mit.edu/~adonovan/hacks/xsendkey.html) to other X11 apps.... even the browser that the java applet is running in, but I some how cannot focus on the J app to send a fake keypress there.
Is there any utility I can use to do this... Or is there a simple way to do it in java, I could call a java app from the bash script.
Thanks for any help.

Look into java.awt.Robot.

Signed java applets not working on lion?

After downloading java plugin on osx Lion, signed java applets fail to start. This is the error I get in java console, seems like the certificate is not imported to keychain? any workaround?:
java.lang.reflect.InvocationTargetException
    at java.awt.EventQueue.invokeAndWait(EventQueue.java:1078)
    at javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1326)
    at com.koutbo6.gui.swing.GameApplet.init(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.ja va:1640)
    at java.lang.Thread.run(Thread.java:680)
Caused by: java.security.AccessControlException: access denied (java.awt.AWTPermission setWindowAlwaysOnTop)
    at java.security.AccessControlContext.checkPermission(AccessControlContext.java:37 4)
    at java.security.AccessController.checkPermission(AccessController.java:546)
    at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
    at java.awt.Window.setAlwaysOnTop(Window.java:2038)
    at com.koutbo6.gui.swing.Q.<init>(Unknown Source)
    at com.koutbo6.gui.swing.GameApplet.a(Unknown Source)
    at com.koutbo6.gui.swing.P.run(Unknown Source)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:677)
    at java.awt.EventQueue.access$000(EventQueue.java:85)
    at java.awt.EventQueue$1.run(EventQueue.java:638)
    at java.awt.EventQueue$1.run(EventQueue.java:636)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlConte xt.java:87)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:647)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:29 6)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:20 1)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

All these settings were set as expected, yet im still facing the same problem
I enabled security debugging and this is the information I got:
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
security: Loading Root CA certificates from from keychain
security: Loaded Root CA certificates from from keychain
security: Validate the certificate chain using CertPath API
security: Obtain certificate collection in Root CA certificate store
security: Obtain certificate collection in Root CA certificate store
security: Obtain certificate collection in Root CA certificate store
security: jpicertstore.cert.getkeystore
security: No timestamping info available
security: Cannot find jurisdiction list file
security: The CRL support is enabled
security: KB Programming Analysis and PC Operating Center
security: ObjectId: 2.5.29.31 Criticality=false
CRLDistributionPoints [
[DistributionPoint:
     [URIName: http://crl.thawte.com/ThawteCodeSigningCA.crl]
security: Thawte Code Signing CA
security: ObjectId: 2.5.29.31 Criticality=false
CRLDistributionPoints [
[DistributionPoint:
     [URIName: http://crl.thawte.com/ThawtePremiumServerCA.crl]
security: Use CRL setting from certificate
security: The OCSP support is enabled
security: KB Programming Analysis and PC Operating Center
security: ObjectId: 1.3.6.1.5.5.7.1.1 Criticality=false
AuthorityInfoAccess [
   accessMethod: 1.3.6.1.5.5.7.48.1
   accessLocation: URIName: http://ocsp.thawte.com]
security: This certificate does not have AIA extension
security: Use OCSP setting from certificate
network: Cache entry not found [url: http://crl.thawte.com/ThawtePremiumServerCA.crl, version: null]
network: Connecting http://crl.thawte.com/ThawtePremiumServerCA.crl with proxy=DIRECT
network: Connecting http://crl.thawte.com:80/ with proxy=DIRECT
network: Downloading resource: http://crl.thawte.com/ThawtePremiumServerCA.crl
          Content-Length: 181,278
          Content-Encoding: null
network: Wrote URL http://crl.thawte.com/ThawtePremiumServerCA.crl to File /Users/koutbo6/Library/Caches/Java/cache/6.0/38/2fb889a6-30a08967-temp
network: Connecting http://ocsp.thawte.com/ with proxy=DIRECT
network: Connecting http://ocsp.thawte.com:80/ with proxy=DIRECT
network: CleanupThread used 990300 us
network: Connecting http://ocsp.thawte.com/ with proxy=DIRECT
network: Connecting http://ocsp.thawte.com:80/ with proxy=DIRECT
security: This certificate has been revoked
Ignored exception: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: Certificate has been revoked

Isolate / sandbox java applet

Hello, I am new at Arch Linux and I only have some basic experience with linux in general so bear with me.
I want to isolate / sandbox a java applet running in firefox, but I can't figure out which way is the most simple and effective way to do it. I've heard and read a bit about SELinux, chroot and sandfox, thought I haven't used any of these yet. I want to sandbox this specific applet because of security and privacy issues to insure that the applet can't acces or write personal data.
I have also considered using a virtual machine, but I find that too inconvinient for this situation.
What would you recommend?
Thanks

JVM is a virtual machine. With a policy file you can just about restrict every resource you could want to for anything that run in the jvm.
Policy Tool
http://docs.oracle.com/javase/1.4.2/doc … ytool.html
Description and Use of Policy
http://docs.oracle.com/javase/7/docs/te … Files.html
Even Some more.
http://docs.oracle.com/javase/6/docs/te … urity.html

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.

Java 1.5.09/10 Java Applet on Vista - starts but never downloads files

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