1
vote
0answers
76 views

Java (SE) program execution is too slow on Debian Wheezy… do I need to “tune” the JVM?

SuperUsers. I wrote a desktop program to execute a simulation process (not worth copying the code here... it's quite a long program). If I run it on a MacBook Pro (Intel Core i7 2.2 GHz, 4GB RAM), it ...
1
vote
0answers
296 views

Wrong OEM while trying to use FlashTool. (Android Rooting)

I am trying to follow this link to install FlashTool so that I can root my Micromax Canavas HD. My Dev Enviornment is Ubuntu 12.04 LTE 64 bit with support libs for 32 architecture. I as well changed ...
0
votes
0answers
36 views

How to run .j filetype on a linux machine?

The title says everything else for it self. I've tried to execute this .J file for hours now. As far as i understood it contains java byte-code which can be executed by oracle java virtual machine. ...
1
vote
0answers
25 views

JVM symlink messed up

I was checking the symlink for the jvm in my Ubuntu box. I don't understand why java-1.6-openjdk is symlinked to java-1.7.0-openjdk-amd64?
10
votes
5answers
2k views

Does Android or Java use more power since it's running on a virtual machine?

Since Android applications run on a JVM (Dalvik VM) which is basically a virtual processor, and every virtual instruction has to be mapped to the underlying chipset's native instruction, does this ...
0
votes
0answers
162 views

How to set Java VM settings globally on Debian system?

when running java -version I get this error: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. This is avoidable ...
1
vote
1answer
948 views

What kind of JVM support is there for Modern UI apps?

Obviously, the JRE and Java applications and applets still work on the Desktop version of Windows 8. But is there a way to develop a Modern UI application in Java, or another JVM based language such ...
1
vote
0answers
292 views

unable to set xmx beyond 4gb on system having 8gb RAM

I need to set ANT_OPTS=-Xms1024m -Xmx6144m -XX:PermSize=1024m -XX:MaxPermSize=1024m JAVA_OPTS=-Xms1024m -Xmx6144m -XX:PermSize=1024m -XX:MaxPermSize=1024m I have a system with 8gb(recently ...
1
vote
1answer
373 views

change installed version of icedtea

I've installed openJDK6 64-bit server on my ubuntu image running in a VM. I installed it here in order to do some testing in comparison with our production environment. however, our production ...
3
votes
5answers
10k views

Do I have a Java Virtual Machine on my Windows 7?

How can I find out if there is Java Virtual Machine installed on my Windows 7?
2
votes
0answers
301 views

Is there a way to run multiple JVM within the same browser?

I'm using Oracle at work which fires off a Java app. I'd like to use two instances of the same app to work between two different screens of the same app. I can do it but with Chrome opening one and a ...
4
votes
2answers
3k views

Find path to current JVM

I need to find the path to the current Java VM running on my Windows machine. How can I do that?
1
vote
4answers
884 views

How do I update my Java?

I've downloaded Java SE Runtime Environment 6u24 and Java SE Development Kit 6u24, but when I go to CMD and type java -version it still says: java version "1.4.2_03" Java(TM) 2 Runtime Environment, ...
0
votes
1answer
415 views

Trying to install HP OfficeJet G85 All-in-One printer software on Windows XP

I have been running this printer successfully on a Windows 2000 partition. Because I wanted to use newer fonts available in XP, I decided to try to install the printer software and driver on the ...
2
votes
3answers
18k views

How to make Microsoft JVM work on Windows 7?

I am struggling with the following problem. I cannot install MS JVM 3810 properly on Windows 7. When I start Interner Explorer 8 without starting any java 1.1 programs choosing Java custom settings ...
4
votes
3answers
1k views

Is it possible to preload JVM to make starting of little one-shot java applications faster?

Expected algorithm: You start JVM without actual application (only telling it to load some jars), it loads and listens a socket and waits in a background. When you start the application ...
0
votes
1answer
2k views

unable to access jarfile alliance.tmp

I've just installed the p2p software Alliance. Whenever I'm trying to open Alliance a "Java Virtual Machine Launcher" window pops up with this error message: "unable to access jarfile alliance.tmp". ...