Java is a programming language originally developed by Sun Microsystems. Questions here should be about the installation, configuration and troubleshooting a JVM (Java Virtual Machine) or a JRE (Java Runtime Environment). Programming questions (unless directly related to Ubuntu) should be asked ...
5
votes
6answers
27k views
Installing Chrome Java Plugin
I've been trying to install the Java plugin for Chrome for a couple hours now, and I figured it was time to ask people with more experience. I can't seem to get it working. My current Java version is ...
0
votes
2answers
23 views
Two Java JDK version is running in my machine
I have the following configuration in my system:
2Gb Ram
64 bit system
Linux 12.0.1
The problem is when open the eclipse the system become very slow and if I open chrome it becoming too slow.
And ...
0
votes
1answer
21 views
cant install or uninstall anything after a failed sun-java-6 installation
I've attempted to install sun-java-6 by following a method given in a site which asked me to add a repository and then sudo apt-get install sun-java6-jre. while installing on terminal i cant click ...
-1
votes
0answers
24 views
Android Devtools on Samsung ChromeBook runing Linux [closed]
So i've installed Crouton on my Chromebook and it runs right with Chrome OS, Im trying now that i have a actual Linux OS i want to get adb, android, ant, Eclipse and the Android SDK working on the OS. ...
0
votes
1answer
20 views
Shutdown does not power off computer with db derby service
I set service db derby by this instructions Fresh Install Ubuntu 12.10 - 17. apache db derby
#!/bin/bash
#
# Startup script for Derby
### BEGIN INIT INFO
# Provides: derby
# Required-Start: ...
1
vote
0answers
35 views
How do I enable the official Java plugin in the latest version of Google Chrome?
I was using Chromium, which runs smoothly, and was forced to upgrade to Chrome (mega.co.nz obliged me to). Now I can't execute applets in Chrome. Checking the installed plugins in both browsers, I see ...
0
votes
0answers
13 views
Numeric keypad arrows don't work in Java applications
When NumLock is turned off, the numpad arrow keys work fine in most applications, but in java applications, like jEdit or IntelliJ, the keys behave strangely:
Home, End, PgUp and PgDn work fine
Up ...
0
votes
0answers
23 views
Open multiple terminals after startup in Ubuntu 12.10
Is there a way to open multiple terminals after Ubuntu 12.10 starts up?
Actually I was able to run a terminal with a program running, trough the "Startup Applications" tool.
The command I am ...
0
votes
0answers
9 views
How to solve “Error:Missing Dependency” when installing java on uxterm? [closed]
when I login to root and type this yum "localinstall jdk-7u21-linux-x64.rpm" a many messages pop up on my uxterm saying "Error:Missing Depency".What should I do? Please help .
Thank You
-1
votes
3answers
43 views
Please could you suggest program to develop website and etc [closed]
I'm new for Linux and Ubuntu and I want to learn how to use these OS.
But I want to make sure that It has programs to support my dev purpose.
Purpose:
website dev base on php,java and asp,c# ...
0
votes
1answer
686 views
“Please ensure you have JAVA_HOME points to JDK rather than JRE” message
I have java installed
aaa@ubuntu:~$ whereis java
java: /usr/bin/java /usr/bin/X11/java /usr/local/java /usr/share/java
aaa@ubuntu:~$ whereis javac
javac: /usr/bin/javac /usr/bin/X11/javac
and ...
0
votes
0answers
16 views
Can not install 4shared desktop
I have been going to install 4shared desktop. When I opened 4shared desktop .deb file by Software Ubuntu Center, it required openjdk-6-jre, but it can not install openjdk-6-jre. When i marked ...
0
votes
1answer
16 views
Java Hibernate: Download MySql or LAMP
I am going to be writing a Spring based Java application and I was wondering if I should install MySql directly or should I just install LAMP. I would like to install LAMP, but would this have any ...
1
vote
2answers
889 views
freemind wont run despite OpenJDK JRE installed
I install freemind from USC Ubuntu 12.04, but it failed to run with the following error:
"
[warning] /usr/bin/freemind: No java runtime was found
[error] /usr/bin/freemind: Unable to find an ...
3
votes
1answer
4k views
Replacing the OpenJDK with the Oracle JDK
I've had the archive file for Oracle's JDK for some time and have been running java applications through ~/Downloads/jdk1.7.0/bin/java -jar <jarfile> for some time, but I'm wondering if there's ...
16
votes
2answers
11k views
Is there a way to update all Java related alternatives?
Is there a way to quickly switch over all the Java related alternatives using update-alternatives?
For instance, if want to switch Java over to 7, I run sudo update-alternatives --config java and ...
2
votes
0answers
16 views
I tried to transplant the wireless_tools to Android4.0 system, but I have a problem with Java
My Linux system is Ubuntu Kylin, a new branch of Ubuntu spreading mainly in China.
I have changed some files, such as wireless.22.h,ifrename.c and iwlib.h , in wireless_tools.29/ which is located in ...
0
votes
0answers
14 views
Open Text Summarizer in Java
I am using Open Text Summarizer on Ubuntu, and it works fine from my terminal... To use it I have to run the following command in terminal:
ots -r 5 /home/arslan/tempEclipse.txt
Now I want to ...
0
votes
1answer
192 views
Symbolic link creation pointing Firefox
I am getting this error on Firefox when trying to confirm a file over the internet:
Error type: java.lang.UnsatisfiedLinkError
Error message: Native Library /usr/lib/firefox/libmozsqlite3.so already ...
0
votes
0answers
19 views
Context Menu not Working on Java Web Start Application
I'm quite new to Kubuntu and Linux in general. I run Kubuntu 13.04 in an Oracle virtual box on a windows7 machine and I installed Oracle Java7. I've a JWS application (Java6) which I would like to use ...
2
votes
1answer
109 views
Java can't launch minecraft, these errors happen. Using Java Oracle
These errors happen when I launch minecraft, First error happens when I launch the login menu ( It still boots up ). Second when I actually launch the game.
...
0
votes
1answer
25 views
How does java check version online
i'd like to know how does java check his version when facing an applet online. Does it phonecalls a particular site? How can i get that site?
0
votes
1answer
47 views
Can not install Java [duplicate]
sudo add-apt-repository ppa:ferramroberto/java
After this command I am getting error:
Error reading https://launchpad.net/api/1.0/~ferramroberto/+archive/java: Couldn't resolve host 'launchpad.net
...
5
votes
3answers
1k views
How do I bypass the license page to download Oracle/Sun Java on a server with wget?
I'm trying to install Liferay on Ubuntu Server 12.04, which requires JRE and recommends version 6.
I can't find JRE6 in an authoritative repository, and I can't work out how to get past the licence ...
0
votes
1answer
32 views
How do I display an html file on a web browser in Ubuntu?
I am tasked with displaying a program on a web browser for my final project. The browser would be run from a cloud instance, and I have chosen to show an java applet that I have made. I have already ...
0
votes
1answer
105 views
install matlab 2013a with error
I tried to install Matlab2013a in my laptop (Ubuntu system). I download a ISO file (very big) and followed their instruction: mount it and run "install". But it returns me an error:
Cannot locate ...
0
votes
2answers
39 views
not able to install javaws
I need to use java web start to run TopCoders ContestAppletProd.jnlp.
When I try to run the the arena I get Java not found error.
Upon selecting the option "using Java Web Start" the jnlp file ...
86
votes
9answers
132k views
How can I install Sun/Oracle's proprietary Java 6/7 JRE or JDK?
I want to install Oracle's JRE and to update their lastest version through Update-Manager everytime they released. Is there a Ubuntu package that is provided by Canonical or Oracle?
Before release ...
0
votes
0answers
11 views
webcamstudio, java, and commands help
Im having the exact same problem as https://code.google.com/p/webcamstudio/issues/detail?id=75 <--- they are having but I do not understand how to fix the problem and what to type into the ...
0
votes
1answer
109 views
smartgit ubuntu 13.04 64bits crash startup
I try to launch smartgit with ubuntu 13.04 but it crash on startup.
I tried with openjdk and the oracle java.
Here is the error :
#
# A fatal error has been detected by the Java Runtime ...
0
votes
0answers
37 views
How to run Oracle 10g forms in Firefox?
I am using Ubuntu 12.04. I want to run Oracle 10g forms in Firefox with Java Runtime Environment. I want complete tutorial for this. Which version of Firefox and Java Runtime Environment should I use ...
3
votes
1answer
1k views
Cannot install JDK 7
i have already extracted the files in the tar.gz files i also tried the sudo update-alternatives but it only says it doest have too since i already have one jdk and then when i try java -version it ...
9
votes
3answers
7k views
How can I view or start Java Web Start Applications?
Where can I find a menu or launchers for Javaws apps that I have installed?
I am using OpenJDK x86.
2
votes
1answer
25 views
Open ports for development purposes
I'm doing some Java ME Development in my brand-new Ubuntu laptop, coming from a now replaced Windows Vista one.
What I'm trying to do is run a Mobile Simulator that acts as an HTTP Server -receives ...
0
votes
1answer
499 views
Ubuntu 13.04 and java GUI
I'm working on Rescue Agent Simulation, we have a main server that run our code and its programmed in Java.
Our server has lag under Ubuntu 13.04, but it run smoothly in Ubuntu 12.10 and 12.04.
So my ...
1
vote
0answers
43 views
Problem with eclipse after installing ubuntu 12.04 LTS (detailed description)
System specs and code sample in the end of this contribution!
First of all, I am new to this forum. Please tell me if there is anything wrong with the layout or the question itself. I am also new to ...
0
votes
0answers
20 views
Java application from JNLP file window size issue
I have been evaluating using Ubuntu in our school as an alternative to Windows for our student machines. Everything ahs been going well so far, but I have run into an odd little problem that I can't ...
0
votes
0answers
28 views
Will Ubuntu Phone run Java apps (not Android)
If an application or a game is written in Java for desktop Linux, but with touch friendly interface,
will it be able to run on the Ubuntu Phone and Tablet?
0
votes
0answers
28 views
HEC-HMS.sh cant find or run java, I'm not entierly sure which
I am a recent adopter of Linux and this problem has got me stumped. I use HEC-HMS and HEC-DSSVue for work on a regular basis. I have been using the widows versions in wine but they are really buggy. ...
203
votes
10answers
256k views
How do I install Oracle Java JDK 7?
If I downloaded the latest JDK from Oracle. Do I just download the .tar file, and extract it at /usr/lib/jvm/?
0
votes
0answers
56 views
MATLAB installation error--cannot locate jre
I'm trying to install MATLAB R2012b on my ubuntu 12.10. After mounting .ISO image i tried running install file in terminal:
sudo ./install
but installer cannot start and it says:
...
0
votes
1answer
22 views
Java doesnt work if used from gnome
When I try to install something( which uses InstallAnywhere) from terminal in gnome I got something like that:
Preparing to install...
Extracting the JRE from the installer archive...
Unpacking the ...
0
votes
1answer
99 views
kubuntu 12.10 - problem with netbeans 7.3 and java
I have kubuntu 12.10 and I have installed netbeans from official site (https://netbeans.org/downloads/). Before I had already installed java from java ppa repository ppa:webupd8team/java ...
1
vote
1answer
38 views
Problem at opening NASA World Wind. I get a terminal error (java problem)
The program is zipped and these are the instruccions in README file:
2) cd to the World Wind release folder.
3) chmod +x run-demo.bash
4) ./run-demo.bash ...
0
votes
1answer
90 views
How to Update Java for use with Chromium on 13.04
I followed the instructions here: Oracle (Sun) Java JRE for Ubuntu, Linux Mint and Debian and successfully have enabled latest Java and works properly with Firefox. Chromium; however, reports that I ...
0
votes
0answers
21 views
Hiding the terminal window when running script from gnome launcher
I have an executable script which starts a simple java GUI, which all works fine when I call the script from the terminal.
I then wanted to make a launcher to start the script, so I ran:
...
0
votes
2answers
650 views
How to set JAVA PATH in Ubuntu 12.04?
So java -version give path not found. I have tried the following:
Edit:
~/.bashrc
~/.profile
/etc/environment
bash.bashrc files and add to them the following:
...
0
votes
1answer
52 views
learning of mysql with java in ubuntu
Hello as Im new to ubuntu i want to learn Mysql database with Java,So how to install the software and configure them for the Programming in ubuntu 13.04
0
votes
1answer
122 views
GWT (Google Web Toolkit) designer not working on Ubuntu 13.04
On 13.04 the GWT designer is not working on Eclipse 4.2 and Eclipse 3.7. If I want to switch in the design-mode after executing Workaround 2 from this page, Eclipse crashes and is closing ...
6
votes
4answers
15k views
How can I execute a .jar file from the terminal
I know that to execute a file, I use the . command, then the file name with a space between them. But I'm trying to execute a .jar file using the . and it does not work. I went into the properties and ...
