Jvm for PDA

Hi!
Is there any jvm for PDAs (it doesn�t matter if freeware or not) that implements j2SE? I only have found jvm like NSIcom CrEme that implements j2me (CDC/PP)

How much resources does it take to implement the J2SE? Does a PDA have them?

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JavaME Development:JVM for PDA

Hi,
I am working on RMI based applications for PDA and am having trouble finding a suitable JVM for the same.I am currently using Mysaifu JVM although it doesnt work well with the RMI Application.Please help me,am trying to do this since a long time.
Thank you in advance.
ketaki

How much resources does it take to implement the J2SE? Does a PDA have them?

Which JVM for PDA?

I have to develop an application that runs on a Dell Axim X51 with Intel XScale PXA270 processor and Windows Mobile 5.0 OS.
I am new to J2ME and I'm not sure if there is already a JVM installed.
(I don't have the PDA yet)
What JVM can I use? Can I just install the SUN CDLC Reference Implementation and everything is fine or do I have to install some other JVM like IBM J9?
(Or have I mixed up something and the CLDC Reference Implementation is no JVM?)
Can somebody help me, please?

Hi,
I downloaded and installed on my HP iPAQ hx2790 JVM
from IBM - J9.
The file is:
ibm-weme-wm50-arm-ppro11_6.1.1.20061110-161633.exe
This JVM works on my HP iPAQ hx2790 (Windows Mobile
5.0 OS).
At least it was possible to run first example.
By the way - my device HP iPAQ hx2790 is not in the
list of target devices for J9, but in practice J9
works on this device.
Is J9 good or not - I don't know yet. Never did god
tests yet.
Go to IBM and try to use J9.
http://www.RoboHobby.com - Java brain for small J2ME
robot with camera.
.J9 is OK for most PDA devices. A big problem with J9 is that it does not support Video or any other Optional API that are supported by most smartphones (i.e. Bluetooth, Location, MMAPI).
I still cant believe that in order to play a small video file I need to write JNI crossplatform code.
Has anyone tried to play a video file with J9.
Mike Greece...

Oop.. What JVM on PDA can run MMAPI?

Hi. I'm a developer on iPAQ. I want to capture audio from microphone and I know MMAPI can do it. Now i'm using J9VM but when i doesn't work (-_-). when i tried this code
Player p = Manager.createPlayer("capture://audio");
it told me "scheme not found: capture".
What should i do?

ahem does the jvk support mmapi?
most jvms for pdas do not

Linux: which toolkit is used in JVM for heavyweight components?

Hi,
which toolkit is used by the Linux-variant of the JVM for the heavyweight-components? GTK?
Oxy

java.awt.Toolkit is abstract. He means what implementation is used (motif-based, etc.). For example, sun.awt.motif.MToolkit.
It might vary from one Linux variant to another (and from one JVM version to another), I'm not sure. But for any particular Linux system, you can run this program to find out:
import java.awt.*;
public class test {
public static void main(String[] args) {
System.out.println(Toolkit.getDefaultToolkit().getClass());
}Edited by: BoBear2681 on Apr 24, 2008 3:37 PM

Update JVM for Sun Java Application Server8

Hi:
I am wondering how do I update the JVM for an already installed Sun Java application Server 8. Does any one know how to do this? Thanks

user4877326 wrote:
Hi Experts,
Need some good links and documentataion for "Sun Java Application Server". When I am making a serch for this I am getting links to Glassfish.
So please help on the documentation for Sun Java Application Server .
Regards.This is because Glassfish is the same product as Sun Java Application Server in that regard.
The versioning goes as follows:
Kiva Enterprise Server 1.x
Kiva Application Server 2.x
Netscape Application Server 4.x
NetDynamics 5.x
SunOne/iPlanet Application Server 6.x (merger of NAS4 and ND5)
Sun Java Application Server 7.x = SunONE/iPlanet Application Server 7.x
Sun Java Application Server 8.x = Java Enterprise Server Application Server 8.x
Sun Java Application Server 9.x ~= Glassfish 2.x
Glassfish 3.x
Clear now? :)

Same JVM for multiple Frames in a web application

Hi guys,
I have a web application that loads an applet during login. Once the login is completed, the web application will display the available functions accessible with a menu on the left frame and the main display page on the right frame. Whenever any form action is perfomed on the right frame, the jvm with the login session seems to exit (java console closes) and the applet will be loaded to prompt the user to login again. The JRE installed on the Windows client is 1.6.0_14 from SUN.
I'm guessing that the different frames are using different JVMs?
Is there a way to use the same jvm for a web application with multiple frames? I want to prevent the case where the user will have to login again.
Thanks for any advice!
- Zen -

I have sort of the same problem
[Identical applets in the same JVM, next generation plugin issue|http://forums.sun.com/thread.jspa?threadID=5396118]
I have submitted a Request for enhancement to SUN to allow forced grouping of applets in the same JVM.
Sort of the opposite of the "separate_jvm" Applet tag parameter.
It seems there is currently no way to do this.
[New Plugin command line args|https://jdk6.dev.java.net/plugin2/jnlp/#COMMAND_LINE_ARGS]
When per-applet JVM command-line arguments are specified, it is likely that the new Java Plug-In will need to launch another JVM instance in order to satisfy them. In other words, it is unlikely that a preexisting JVM instance will have been started with the correct set of command-line arguments to satisfy the current applet's request. The rules for exactly when a new JVM instance is launched to start a given applet are deliberately left unspecified, as this functionality is brand new in the 6u10 release and may need to change in subsequent releases. Here is a rough set of guidelines for the sharing and creation of new JVM instances:
* If the command-line arguments used to start a preexisting JVM instance are a superset of the requested arguments, the preexisting JVM instance will be used.
* If a JVM instance is launched for the "default" set of command-line arguments (i.e., those specified in the Java Control Panel, with no per-applet arguments specified), then this JVM instance will never be used to launch any applet that has even one per-applet command-line argument.
* -Xmx is handled specially: if a preexisting JVM instance was started with for example -Xmx256m, and a new applet requests -Xmx128m, then new applet will very likely be run in the preexisting JVM instance. In other words, -Xmx specifications are matched with a greater-than-or-equal test.
There is no way to "name" a JVM instance used to launch a particular applet and "force" subsequent applets into that JVM instance.
See the section on the separate_jvm parameter to isolate a particular applet in its own JVM instance, separate from all other applets.

Need Help regarding the JVM for the ARM926EJS Processor

I Want to develop an application in java for the IMX.27 board which has ARM926EJS Procesor. This processor is jazelle enabled hardware.
My questiion is that how to get the JVM for this. So that i will use my Java appliaction. I am using linux OS.
Thanks in advance.

Hi Narendra,
Sun actually has a VM for the ARM ... well, actually 2 VMs for the ARM. Depending on your needs, there's a solution for JavaME CLDC, JavaME CDC, or JavaSE. There's also the open source implementations for CLDC and CDC. Here's how to get more info:
JavaME: http://java.sun.com/javame/index.jsp
CLDC open source project: phoneME Feature: https://phoneme.dev.java.net/content/phoneme_platforms.html#phonemefeature
CDC open source project: phoneME Advanced: https://phoneme.dev.java.net/content/phoneme_platforms.html#phonemeadvanced
Embedded SE: http://java.sun.com/j2se/embedded/offerings.html
email inquiry to: [email protected]
Regards,
Mark

Server JVM for JSDK 1.4.1 (Windows)

Where can I get the server JVM for JSDK 1.4.1 ?
C:\>java -server -version
Error: no `server' JVM at `C:\Program Files\Java\j2re1.4.1\bin\server\jvm.dll'.
I also checked the j2sdk1.4.1 install directory and the server jvm is not packaged with it either.
The Solaris version came a server jvm, but not the windows version. Is there a separate server VM download for windows ? If so where is it ?

I'm using 1.4.1 RC; on my install it is:
c:\j2sdk1.4.1\jre\bin\server\jvm.dll
for some odd reason, it is not installed into the C:\Program Files\Java... You can move it there manualy and it works.
If anyone has any detailed info on why, please post a link; I'm curious.
- Chris

Building executabe for PDA takes enourmous time or hangs

I have an application consisting of 30 VIs. The depth of hierarchy is 6 levels and the average size of the single VI is 100kB. The size of my application should not be a problem for the PocketPC?
The application runs well in the desktop PC and the compiler does not to indicate errors when the execution target is PocketPC2002 or the emulator. However, when I try to build the executable for the PocketPC (Tools->Build for PDA...) everything seems to be ok, VIs are listed and no errors.
What I am wondering is a looooooong build time. It takes 30 minutes to build this application in 1.6GHz desktop computer. I think it is far too much! I am planning to have an PDA application which might have over 200 VIs - I won't
even guess how much it takes to build that!
Does this kind of extreme long build time indicate some kind of problem in the application? When I run this application in PDA (final size of the exe is 2MB) it stops its execution immediately (it should display some analysis results).
Then I made some minor modifications to the application and now the build process did not end after 2 hours (I restarted).
I have updated the PDA toolkit to 7.0f1.
Any experiences of similar behavior?
thanks,
Wirer

I tested with another application which also had a similar hierarchical structure (30 VIs with depth of 6) but VI sizes were much smaller (average of 30kB). To build this application took 'only' two minutes!
If the size or complexity of the VIs can affect to the build time this dramatically, it would be useful to have some kind of time approximation for the build process before its start. At minimum there should be an information field along the progress bar which indicates the VI under processing. Current 'progress bar' does not give any information of the state of the total progress and if the build takes a long time, a bored developer might think that its stucked.

JVM for Commodore 64

Help I need a JVM for the Commodore 64, I am trying to run my Traveling Salesman program on a Beowulf Cluster of C64's and can't find the JVM anywhere. If you can help I will give you Dukes!

Nice! (and thanks for the duke, btw, I'll cherish it always). I've been unable to find any 100 Mbps nics for you, but I think there's a box of old token ring cards around here somewhere, maybe we can figure something out there. I don't know if anyone's writing massively parallel Java out there - resources might be a little hard to come by. Maybe we could scale down the initial project to something more like that appointment tracking app that has been giving people around here such trouble?

Updating default JVM for USA 2007 Daylight Saving Time (DST) Compliance

As mentioned on various notes on metalink on DST compliance, I got around to updating the JVM on my OracleAS 10.1.2 on Linux. As per note 397281.1,
"Apply the latest in the major series if the specific version above has been superseded by the vendor"
So, I downloaded the following version from Sun: java full version "1.6.0-b105" (JDK 6.0) and followed note 272808.1 on how to update the default JVM for 10gAS.
The middle-tier starts just fine but the OC4J_BI_Forms and Reports Server continually shutdown and restart.
Has anyone gone down this road? Any comments appreciated.
Manish

Hi,
We have a bug to track assessing this issue, but have not done so yet. I'm speculating, but it may turn out to just require an automatic update from Windows.
Regards, Stephen

JVM for various OS

I new to Java,I have one basic doubt regarding JVM,
Is JVM designed by the OS developers or SUN itself design the different JVMs for the different Operating Systems?

Hi harish...
Because of Java portability feature .. the java program's transformation process, from source code to machine executable, into 2 steps....
* 1 .Step..
i.e example.java to example.class ( using "javac" compiler it is converted to "bytecode" i.e "class" file)
there is nothing big deal about this "class" file (bytecode).Its just a simple flat file having JVM(java virtual machine) instructions and symbol table of java's flavour( also called runtime constant pool table, having references to runtime variables and methods etc.. that is need at linking process, to execute the program)...
* 2.Step..
tranforms the class file ie..
from example.class to machine executable(using JVM )
JVM is interpreter that reads JVM instructions from the class file and transfroms them into appropriate machine equivalent code of the host machine...
purly speaking interpreter is more robust than compiler .. for extremely runtime error prone programs...and more over JVM instructions are siblings to assembly code and thus requires interpreter rathar than compiler...because at the end of the any CPU executes only one instruction at a time....
Hope I answered your question.....

How run MSR for PDA through NWDS

Hi all,
I'm working with MI 7.0 . I have installed NWDS on my PC and imported MSR.war application for PDA. In my PocketPC emulator I have installed the Client MI, CrEme and DB2e. How can I configure NWDS in order to run MSR in NWDS? What steps or settings I have to do in NWDS? I set in window->preference the MI home folder after having installed MI Client (for Win32) but I don't understand how run the application considering that MSR has to work on PDA. Help me please.
Many thanks,
Maria

I would add a new column to use as an indication that a particular row contains the string in question, then sum the column.
B3=IF(IFERROR(FIND($B$1, A3), 0)>0, 1, 0)
select B3 and fill down
Then sum the results in cell D2 as shown:
D2=SUM(B)

Using the Formula Node for PDA

I get a compile error when I use C code inside the formula node. Is it possible to use C Code inside the formula node for PDA applications? Do I have to include any file while building the executable for the PDA

Ok, I was able to successfully build an executable file without error. I attached the screen shots of your program in execution. Does this look like the desired result?
I'm confused as to why I can build and run the program on my machine. I have LabVIEW 7.0 and Windows XP. What version of Windows and LabVIEW are you using? Also, are you getting the error window when you try to build an executable or when you attempt to run the VIs within LabVIEW?
Regards,
-Joe-
Attachments:
tutor.JPG ‏100 KB
tutor2.JPG ‏122 KB
detector.JPG ‏46 KB

Jvm for PDA

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