Applet Debug in IE

HI,
Can I debug my applet embeded in Internet Explore?

Some IDE's will allow you to debug applets using appletviewer. This is outside of the browser.
If you need to debug in the browser, enable the java console (in control panel) and use system.out.println() to print messages and variables to that console. The console will show up as a coffee cup in the system tray.

Similar Messages

Applet Debugging Option for End Users

Users in our 12.0.4 development system that only have the 'xMII Users' role can see and use the 'Applet Debugging' option under the System Management menu. I'd prefer them to only have the options under the Support menu.
I'm puzzled why this one option is availble for end users. What am I missing?
David Macindoe

What am I missing?
I guess nothing.
Its just that it is designed this way. Moreover the option is harmless from a Security point of view.
May be you will find this 'fixed' in later versions.

Java card applet debugging in Netbeans 6.8

Hi,
| am writing a Java Card applet and a client MIDlet. I would like to debug my applet: I want to see the interaction process with MIDlet. However, for some reason I cannot start debugging in Netbeans 6.8. Could someone help? Thanks in advance.
Regards,
Aleksandr

Hi sanyas,
sorry, i'm not answering your question..
I'm a newbie in Java Card technology..
After i had read your post, it makes me curious about Java Card Client..
I want to know, what kind of Java Card Client that we could create?..
Can we create a Java Card client application from Java SE (GUI/Swing base application), or it's limited for MIDlet only?
Thanks in advance..

Applet debug from IE

Hy,
I've a problem when debugging an Applet using IE.
I'm using NetBeans 4.1EA2
The HTML page start and also the applet.
I put a breakpoint in applet class code but when I try to call a method from the HTML (clicking a button) my program doesn't stop in debug.
What can I do to debug the applet without AppletViewer?
Thanks all in advance
G

I've found it....
Refer to : http://java.sun.com/j2se/1.4.2/docs/guide/plugin/developer_guide/debugger.html
1)in Java Control Panel-Java-Java Applet Runtime Settings press View
Under Java Runtime Parameters write this :
-Djava.compiler=NONE -Xnoagent -Xdebug -Xrunjdwp:transport=dt_shmem,address=2502,server=y,suspend=n
Close
Test with NetBeans IDE:
2)In the same folder of your Applet class create an html/jsp page that call the Applet
3)RightClick-View (IEXPLORE.exe start)
4)Put a breakpoint where you want
5)In Run-Attach Debugger chose Sharedmemory
Name = 2502 (the same address parameter setted above)
6)OK
Test your Applet, for example using a button that call a method in your class...here the code in html :
<input type=button value="Test " onclick="MioApplet.test('This is a test');" >
where MioApplet is the name of the applet and test is the name of the method inside the class
Happy???Yes
Bye

How to Debug Java Applet called in a BSP Component

Hi All,
In CRM Marketing->Segments->Graphical Modeler
A click on settings button will load a Java Applet window.
The settings window displays some elements. I want to translate a text displayed in that Java Applet window.
Please let me know the ways to debug a Java applet loaded from BSP Component or ways the data is loaded into Java applet from SAP.
Your help would be appreciated and points will be rewarded.
Thanks a lot in advance.

For the newbies, like me:
Instruction to setup and debug an applet in Eclipse IDE via your Browser
Java Console Setup for Applet debugging:
1. Open up the Java Console Application by double clicking on it at C:\Program Files (x86)\Java\jre1.6.0_03\bin\javacpl.exe
2. Select the Java Tab
3. View Applet Runtime Settings button
4. Enter in the Java Runtime Parameters the following: -Xdebug -Xrunjdwp:transport=dt_socket,address=5555,server=y,suspend=y
5. Note: the port address 5555 can be anytime you want. You will need to enter whatever number you select into Eclipse IDE.
6. Note: if you don�t need to debug code in the Applet�s init() method, then use....suspend=n (Not tested yet.)
Eclipse setup for Applet debugging:
1. Open up Eclipse and create your Applet. Once you are ready to debug go to the next step.
2. Select the top level Run menu
3. Pick the Open Debug Dialog� option
4. In the left column select Remote Java Application
5. Then select the �New� button to create a debug configuration for the remote session (the new button looks like a page with a yellow plus in the upper right hand corner)
6. Give your session a name. I used the class name followed with the work remote for example: mainclassnameRemote
7. Set connection type to Standard (Socket Attached)
8. Host to localhost
9. Port to 5555, or whatever you used in Java Console Setup step 5.
10. Due not check the �Allow termination of remote VM�
11. Due not close this window.
Start debugging:
1. Go to your Applet html launch file and launch in a browser
2. Then go back to eclipse and select the debug button
3. Eclipse should now throw you into the debugger mode.
4. If it hangs, just retry again. It seems to work ok most of the time. A few time I need to close the browser and start over and then it seems to work.

Problem on debug Applet

hi all,
i am developing an user debugger which is used to debug Applet.
problem is, the Applet debugged must be in same directory as the debugger, simply says, the command must be:
appletviewer MyApplet
or
java sun.applet.AppletViewer MyApplet
i need following command work:
appletviewer file:/c:\folder\MyApplet
because normally debugger is not in the same directory as Applet debugged.
how to solve the problem?
i guess i have to develop my own AppletViewer, but how to do?
thx

i fix it.

Oracle8i JDBC Guide Example Not Working-applet security

I was having problems with a JDK1.1.7 applet that I want to get
working with Netscape 4.07 and my Oracle 8.0.5 installation. I
am using Netscape's Signtool, the Capabilities classes, and I
have packaged the Oracle classes111.zip contents into my Signed
JAR file. I got a copy of the Oracle 8i JDBC Developer's Guide
and Reference which has an example of what I'm trying to do.
However, I get the same error running the example. Can anyone
tell me what I'm doing wrong?
Please help...
stephen
The Java console output is as follows:
# Applet debug level set to 9
netscape.security.AppletSecurityException: security.Couldn't
connect to '47.129.164.42' with origin from ''.
at
netscape.security.AppletSecurity.checkConnect(AppletSecurity.java
:914)
at
netscape.security.AppletSecurity.checkConnect(AppletSecurity.java
:926)
at
netscape.security.AppletSecurity.checkConnect(AppletSecurity.java
:795)
at
java.lang.SecurityManager.checkConnect(SecurityManager.java:718)
at java.net.Socket.<init>(Socket.java:245)
at java.net.Socket.<init>(Socket.java:123)
at oracle.sqlnet.SQLnet.Connect(SQLnet.java:176)
at oracle.sqlnet.SQLnet.Connect(SQLnet.java:146)
at oracle.sqlnet.SQLnet.Connect(SQLnet.java:120)
at oracle.jdbc.ttc7.TTC7Protocol.connect(TTC7Protocol.java:983)
at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:158)
at
oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:
93)
at
oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:146)
at java.sql.DriverManager.getConnection(DriverManager.java:90)
* at java.sql.DriverManager.getConnection(DriverManager.java:132)
at MainApplet.button2_actionPerformed(MainApplet.java:196)
at
MainApplet$MainApplet_button2_actionAdapter.actionPerformed(MainA
pplet.java:255)
at java.awt.Button.processActionEvent(Button.java:267)
at java.awt.Button.processEvent(Button.java:240)
at java.awt.Component.dispatchEventImpl(Component.java:1789)
at java.awt.Component.dispatchEvent(Component.java:1715)
at
java.awt.EventDispatchThread$EventPump.dispatchEvents(EventDispat
chThread.java:83)
at
java.awt.EventDispatchThread.run(EventDispatchThread.java:135)
at
netscape.applet.DerivedAppletFrame$AppletEventDispatchThread.run(
DerivedAppletFrame.java:911)
null

No, it is not, but this is the reason for using Netscape's
Capabilities API. It contains a PrivilegeManager that works with
Java's Applet Security Manager to grant permissions for the
applet.
Stephen Brewell (guest) wrote:
: Is the database server on the same machine as your web server?
: I don't think applets can connect to a machine other than that
: from which it was served.
null

Initialising an applet with some parameters

I have an applet that I want to initialize with somthing from the HTML
Each HTML page I have has a different parameter I want the applet initialized with
can I initialise the applet then call a method in it from the HTML page?
or is there a way to pass a parameter in initializing an applet?
To initialize my applets I am using the following HTML
<APPLET
CODEBASE="http://www.myCompany.com/appletCode"
ARCHIVE="MyJar.jar"
CODE="myPackage.MyClassWithAMain.class"
width="500"
height="500"
align="center">
</APPLET>

You can set a PARAM in the html file:
<PARAM NAME = DEBUG VALUE = " my param contents" >
(alternatively the parameter might be set like this
based on the syntax you showed for calling your applet):
<DEBUG = "my param contents">
Then in the init method of the applet, 1st read
the PARAM with the applet method getParameter,
then run your parameter-based initialization of
the applet.

How to enable the logs in applets

I have a signed jar which uses commons-logging all the logs are in debug mode how to set the debug on to view the logs in the java console.
i have tried the following things
jre/log properties is set to debug
applet debug is set to true
there is a SimpleLogFactory class which extends the Log Factory class.. i have set the levels to 2 here for debug mode
i am still not able to see the log.debug statements.

i have tried doing setting the run time params as well it does not work:(
i can see the applet debug but the applet calls other classes which uses log.debug stmts i am not able to see those debugs
in the init mrthod of my applet i have
public void init()
/* 40 */     if (log == null)
/* 47 */       if ((super.getParameter("DEBUG_ON") != null) && (!_initialized))
/* 49 */         SimpleLogFactory.setLogLevel(2);
/*     */       else
/* 53 */         SimpleLogFactory.setLogLevel(4);
/* 56 */       log = LogFactory.getLog(UploadApplet.class);
/*     */     }

Applet using NetBeans 3.6

I have just started using NetBeans 3.6, and I'm new to applets. I have a sample applet which runs OK with all browsers when I use the .class file already supplied by the creator of the applet.
However, after compiling within NetBeans 3.6 (J2SE 1.4), it runs only when using the AppletViewer within the NetBeans. It does not execute when I shift the browser to Internet Explorer within NetBeans, or when I try to do it through a HTML file outside NetBeans.
I noticed that this behaviour starts after creating the .class file with NetBeans. If I create the .class file using the javac compiler in a Solaris computer I have access to, it executes both in the Solaris machine (Netscape browser) and in a PC.
Does anybody have an idea of what is going on? Thanks.

In the package (folder) which the applet Java exists there is an HTML of the same name. This is used by the AppletViewer to define parameters and settings for the applet when it's loaded. Try viewing the applet using that HTML page.
Right mouse click on your applet Java file and make sure your properties in NetBeans for the debug is set to Applet Debugging. By defailt NetBeans will assume a Java file is not an applet and will try to debug it as a java application.
However, after compiling within NetBeans 3.6 (J2SE
1.4), it runs only when using the AppletViewer within
the NetBeans. It does not execute when I shift the
browser to Internet Explorer within NetBeans, or when
I try to do it through a HTML file outside NetBeans.You can enable the displaying of the Java console for the Explorer Java plug-in. This will allow you to see any exceptions happening which might be causing your problem. If no exceptions are happening, then it's likely the class path in the packages don't match where your running it from.
I noticed that this behaviour starts after creating
the .class file with NetBeans. If I create the .class
file using the javac compiler in a Solaris computer I
have access to, it executes both in the Solaris
machine (Netscape browser) and in a PC.Try building a JAR file, and running your applet from the jar in Explorer. Running from classes can cause problems if the folders they exist in don't map out the same as the packages.

Can't run java at all

Hello!
I have a 600 megahertz Intel Pentium III machine running Windows 98 SE. I use the following browsers: Netscape 4.79, 6.2 and internet explorer 6.
I was able to run java applications on my computer very well. I purchased a program to make web buttons. The program worked very well for a time and it just stop working after a while. I contacted them and was told to upgrade my jvm machine by downloading the newest msjavx86.exe from microsoft and installing it to see if it will solve my problems. It did not work.
I get this message everytime that I try to use the program:
"Can't find the file "BtnAuthor.class" can't execute class "
I'm unable to run any java and all I see are grey boxes with codes. Any idea of what could be wrong or how to fix this problem.
Thanks for your time at reading this
Ann :-)

Well, I'm quite unfamiliar with this. I just opened the java console on netscape 4.79 (my favorite) and I got the following:
Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
Then I pressed the "?" and got the following:
Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
Netscape Java Console Commands:
b: break into the debugger (Windows only)
c: clear console window
d: dump applet context state to console
f: finalize objects on finalization queue
g: garbage collect
h: print this help message
l: capture all classes loaded by an applet to a directory
m: print current memory use to console
q: hide console
s: dump memory summary to "memory.out"
t: dump thread info to "memory.out"
x: dump memory to "memory.out"
X: dump memory (detailed) to "memory.out"
0-9: set applet debug level to <n>
I'm not sure if I should explore any of this options at this time. I have no idea of how to write a simple java on my own. The button program was supposed to do the writing and I was just supposed to paste it it in the html.
Thanks for helping me! :-)

Problem with AppletViewer in Forte

Hi,
my applet runs fine when the 1.4 appletviewer is called from the command line, it also runs fine when executing the forte-generated html-file from forte, but the appletviewer won't start from forte (applet debugging and applet execution set)
when i try to execute my applet from forte, the process starts, runs 1 or two seconds, and terminates without showing any messages (errormessages).
any ideas? thanks in advance...

J2ME forte integration destroyed something in my forte-projects-folder. Uninstall was not enough, i had to rename this folder and create a new one.

What is a "noclass"?

This indicates that the debuggee VM was successfully created. At this point the debuggee VM has not attempted to locate the class in question. That is, you could use the start dialog to load the "noclass" class and the debuggee VM will load without an error. Only when you click on the "Play" button in the toolbar does the debuggee VM start and try to locate the main class. In fact, do this now to start the tutorial debuggee VM.
http://www.lrz-muenchen.de/services/compute/linux-cluster/cpjava/Docs/jswat-docs/tutorial.htmlI compiled the sample code for the tutorial, which is anyway an applet and as i learned later, requires a different debugging procedure and now get this error message:
Exception thrown: ClassNotFoundException: "tutorial"
[main] URLClassLoader$1.run (URLClassLoader.java:200)I must probably find this "noclass" thing, in order to "override" the standard applet debugging procedure. What's is it? Do i create it in some way?
Thanks

Sorry, the above huge line is:
This indicates that the debuggee VM was successfully
created. At this point the
debuggee VM has not attempted to locate the class in
question. That is, you
could use the start dialog to load the "noclass"
class and the debuggee VM
will load without an error. Only when you click on
the "Play" button in the
toolbar does the debuggee VM start and try to locate
the main class. In fact,
do this now to start the tutorial debuggee VM.Your example above throws:
Exception thrown: ClassNotFoundException: "tutorial"
So noclass in this case is tutorial.class
Kaj

MII 12.1 vs. 12.0

Just got access to 12.1.3 Build(65). Can somebody give some quick insight into the following items -
i) Home -> System Management -> Transaction Manager
ii) Home -> Security Services -> Credential Editor
iii) Home -> SAP MII Workbench -> Meta-inf
iv) Home -> Source Control Service -> NWDI Configuration
I don't see the "Home -> System Management -> PDF Actions" and "Home -> System Management -> Applet Debugging" in 12.1.
Any other major changes?
Regards,
Chanti.

Take a look at
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/901c6d6b-f6b2-2b10-6899-ce956d4efb5e?quicklink=index&overridelayout=true
Jamie

How to get Java source in applet stack trace to debug Java security manager

How can I get line numbers for Java source in stack traces for my applet? I'm having a problem with my code-signing certificate. On one of my applets, I consistently get a NullPointerException inside the security dialog code in the JDK. As a result, either the "trust this applet" dialog never appears, or even though it appears, it defaults to untrusted because of the exception, so I can't access any local files (and that's a bit of a problem for an applet whose sole purpose is to upload files to our server). I unzipped src.zip in my JDK directory and set the debug flag for my Ant <javac> task as well as set debuglevel to "lines." Anything else? Here's the trace that I'm getting so far. See that after the NullPointerException it assumes that the user has denied permission. If I could read this Java source maybe I could figure out why it hates my code-signing certificate (jarsigner, BTW, never complains when I verify my jar).
security: Blacklist file not found or revocation check is disabled
security: Accessing keys and certificate in Mozilla user profile: null
security: Loading Root CA certificates from D:\Program Files (x86)\Java\jre6\lib\security\cacerts
security: Loaded Root CA certificates from D:\Program Files (x86)\Java\jre6\lib\security\cacerts
security: Loading Deployment certificates from C:\Users\Rich\AppData\LocalLow\Sun\Java\Deployment\security\trusted.certs
security: Loaded Deployment certificates from C:\Users\Rich\AppData\LocalLow\Sun\Java\Deployment\security\trusted.certs
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
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: Start to check whether root CA is replaced
security: The root CA has been replaced
security: No timestamping info available
security: Found jurisdiction list file
security: Start checking trusted extension for this certificate
security: Start comparing to jurisdiction list with this certificate
security: The CRL support is disabled
security: The OCSP support is disabled
security: This OCSP End Entity validation is disabled
security: Checking if certificate is in Deployment denied certificate store
security: Checking if certificate is in Deployment permanent certificate store
security: Checking if certificate is in Deployment session certificate store
java.lang.NullPointerException
     at com.sun.deploy.ui.UIFactory.showSecurityDialog(Unknown Source)
     at com.sun.deploy.security.TrustDeciderDialog.showDialog(Unknown Source)
     at com.sun.deploy.security.X509Util.showSecurityDialog(Unknown Source)
     at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.isTrustedByTrustDecider(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.getTrustedCodeSources(Unknown Source)
     at com.sun.deploy.security.CPCallbackHandler$ParentCallback.strategy(Unknown Source)
     at com.sun.deploy.security.CPCallbackHandler$ParentCallback.openClassPathElement(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath$JarLoader.getJarFile(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath$JarLoader.access$700(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sun.deploy.security.DeployURLClassPath$JarLoader.ensureOpen(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath$JarLoader.<init>(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath$3.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
     at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
security: User has denied the priviledges to the code
security: Adding certificate in Deployment denied certificate store
security: Added certificate in Deployment denied certificate store
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
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: Start to check whether root CA is replaced
security: The root CA has been replaced
security: No timestamping info available
security: Found jurisdiction list file
security: Start checking trusted extension for this certificate
security: Start comparing to jurisdiction list with this certificate
security: The CRL support is disabled
security: The OCSP support is disabled
security: This OCSP End Entity validation is disabled
security: Checking if certificate is in Deployment denied certificate store
security: Checking if certificate is in Deployment denied certificate store

Rats, now that I look at the stack trace and compare to what's in the JDK srce.zip, it appears that most of this code is not part of the JDK source. I don't see any com/sun/deploy, etc.

Applet Debug in IE

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