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Old 10-10-2012, 04:38 AM   #1
khinmyo
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How to install(use) NSG2(NS2 Scenarios Generator 2) in ubuntu 10.0.4


Hello All,

I want to use NSG2 in Ubuntu.
But I'm unable to use it!!
I already install java and download NSG2 from https://sites.google.com/site/pengjungwu/nsg!!!
But I encounter the problem as follow!
So, How to solve this problem?
Please Help Me ,Sir!!!
kmw@ubuntu:~$ java -version
java version "1.6.0_24"
OpenJDK Runtime Environment (IcedTea6 1.11.4) (6b24-1.11.4-1ubuntu0.10.04.1)
OpenJDK Client VM (build 20.0-b12, mixed mode, sharing)
kmw@ubuntu:~$ java -jar NSG2.jar
Exception in thread "main" java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:173)
at java.awt.Window.<init>(Window.java:477)
at java.awt.Frame.<init>(Frame.java:419)
at javax.swing.JFrame.<init>(JFrame.java:218)
at nsg.NSG2.<init>(NSG2.java:51)
at nsg.NSG2.main(NSG2.java:253)
kmw@ubuntu:~$
 
Old 10-10-2012, 04:47 AM   #2
EODSteven
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Try running it in the headless mode....
Code:
-Djava.awt.headless=true
or using a headless JVM.
 
Old 10-10-2012, 06:12 AM   #3
khinmyo
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dear EODSteven,
Thank You so much for your helping!!!
But I don't know how to run it in the headless mode?
Please guide me in detail,sir!!!

Best regards,
khinmyo
 
Old 10-10-2012, 06:24 AM   #4
EODSteven
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How do you execute your program? I think we need to create a script file to add that variable into the java...let me know I have a simple script my grandson uses to play a game but I have to swith to linux to retreive it.
 
Old 10-10-2012, 06:49 AM   #5
EODSteven
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The answer was right in front of me....edit this command to go headless and it should fix it!

Code:
 kmw@ubuntu:~$ java -jar NSG2.jar
add the headless switch
Code:
 kmw@ubuntu:~$ java -Djava.awt.headless -jar NSG2.jar

Last edited by EODSteven; 10-10-2012 at 06:51 AM.
 
Old 10-10-2012, 06:54 AM   #6
knudfl
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java -jar NSG2.1.jar
... Runs OK with sun-java6-jdk : Starts as a very tiny GUI.

sudo apt-get install sun-java6-jdk
.
Attached Images
 
 
1 members found this post helpful.
Old 10-10-2012, 07:27 AM   #7
EODSteven
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Gonna have to upgrade to 7, I tried to download this and got this....
Attached Thumbnails
Click image for larger version

Name:	Screenshot from 2012-10-10 07:25:45.png
Views:	80
Size:	36.8 KB
ID:	10930  
 
Old 10-10-2012, 09:13 AM   #8
knudfl
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# 7


Synaptic > Settings > Repositories : Other Software
... and then mark "non-free".

Next : Refresh, and install 'sun-java6-jdk'.

( sudo apt-get update && sudo apt-get install sun-java6-jdk ).


.

Last edited by knudfl; 10-10-2012 at 09:14 AM.
 
Old 10-12-2012, 01:17 AM   #9
khinmyo
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Hello sir!
Thank you very much for your guide line!
But, still now , I'm not ok to run NSG2.
So,please help me ,sir!
I will never forget your kindness!

kmw@ubuntu:~$ java -version
java version "1.6.0_24"
OpenJDK Runtime Environment (IcedTea6 1.11.4) (6b24-1.11.4-1ubuntu0.10.04.1)
OpenJDK Client VM (build 20.0-b12, mixed mode, sharing)
kmw@ubuntu:~$ java -jar NSG2.1.jar
Exception in thread "main" java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:173)
at java.awt.Window.<init>(Window.java:477)
at java.awt.Frame.<init>(Frame.java:419)
at javax.swing.JFrame.<init>(JFrame.java:218)
at nsg.NSG2.<init>(NSG2.java:57)
at nsg.NSG2.main(NSG2.java:297)
kmw@ubuntu:~$ java -Djava.awt.headless -jar NSG2.1.jar
Exception in thread "main" java.lang.UnsatisfiedLinkError: Can't load library: /usr/lib/jvm/java-6-openjdk/jre/lib/i386/xawt/libmawt.so
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1649)
at java.lang.Runtime.load0(Runtime.java:787)
at java.lang.System.load(System.java:1022)
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1750)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1667)
at java.lang.Runtime.loadLibrary0(Runtime.java:840)
at java.lang.System.loadLibrary(System.java:1047)
at sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:67)
at sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:47)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.loadLibraries(Toolkit.java:1614)
at java.awt.Toolkit.<clinit>(Toolkit.java:1636)
at java.awt.Component.<clinit>(Component.java:582)
Could not find the main class: nsg.NSG2. Program will exit.
kmw@ubuntu:~$
 
Old 10-12-2012, 02:44 AM   #10
knudfl
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Sorry, the sun-java packages were removed from 10.04 ealier this year ..
http://www.bytespring.com/blog/sun-j...04-repostitory

The easy way : Cheating an rpm package install ..
1) sudo apt-get install rpm
2) sudo rpm -Uvh --nodeps jdk-1.6.0_35-fcs.i586.rpm --force-debian
http://ftp.scientificlinux.org/linux...5-fcs.i586.rpm
3)
sudo update-alternatives --install /usr/bin/java java /usr/java/jdk1.6.0_33/bin/java 2
4)
sudo update-alternatives --config java
... And then choose the "/usr/java/jdk1.6.0_35/bin/java" entry.


Ubuntu 10.04 : java -jar NSG2.1.jar : Opens OK with "jdk1.6.0_35"
NSG2.1 https://sites.google.com/site/pengjungwu/nsg
EDIT : Both versions NSG2.jar, NSG2.1.jar work OK here with OpenJDK and the "sun jdk".

.

Last edited by knudfl; 10-12-2012 at 03:05 AM.
 
  


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