Questions tagged [java]
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 on StackOverflow.com.
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Minecraft doesn't connect to Mojang servers/the internet (15.04) [duplicate]
I've been trying to run Minecraft on Ubuntu 15.04 for a while. Whenever I try running, it won't download the launcher pack and it gives me this message:
Bootstrap (v5)
Current time is Jun 19, 2015 2:...
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4
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Juniper Crashing right after launching
I am running Ubuntu 13.10 x64 and have 64 and 32 bit versions of Java 6 installed. I have it configured that when running Network Connect it will run the 32 bit version and for anything else the 64 ...
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1
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What is the "path to ant" that Crosswalk speak of?
I am in the process of setting up an Ubuntu 14.04 server to experiment with Crosswalk. I have installed the Java JDK, apt-get install default-jdk and ANT, apt-get install ant. whereis java returns /...
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Problem running jar from gui in 15.04
I updated ubunut to 15.04 today. Now when I try starting a jar file from the gui it only opens the archive manager.
Checking the open with tab in Properties I can't find Openjdk. I got both Openjdk ...
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Cannot run jBoss on ubuntu 12.04
I am trying to install jBoss application server on Ubuntu 12.04. I am using Vagrant.
Here is what I am getting:
vagrant@precise32:/usr/share/jboss-as-7.1.1.Final/bin$ ./standalone.sh -Djboss.bind....
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4
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How do I install java, ant, and red5 on Ubuntu 14.04? [duplicate]
How do I install java, ant, and red5 on Ubuntu 14.04.
All I see is Ubuntu 12.04, which doesn't work. Redhat tutorials do not work. UBUNTU 12.04 TUTORIALS DO NOT WORK!!!!
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Popup fonts in IntelliJ IDEA are too large, or bold/pixelated, 15.04 using tuxjdk
Here's a screenshot showing the problem:
As you can see, where the autocomplete text exceeds the size of the popup, the font becomes strange. Similarly, the popup window has text much larger than ...
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1
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Errors were encountered while processing: libxau-dev:amd64
I have removed Java version 1.8 and now want to install version 1.7. All the time I am getting error(1) with libxau-dev file so I am trying to install it and getting message below:
my@server:~$ sudo ...
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2
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Unable to run MATLAB
I barely managed to get MATLAB installed but I think it's installed correctly. However, when I cd to the bin directory and run ./matlab, the MATLAB logo comes up but then it instantly closes again and ...
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2
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Glassfish warning when i try to open an existing Java Project
the project itself is located in my home-directory, netbeans and glassfish each installed to opt. when i start IDE and open java project i get following warning five times:
/opt/glassfish-3.0.1/...
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1
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Unable to set JAVA_HOME to jdk
I am trying to run android studio on ubuntu 14.04 LTS. But when I run the studio.sh script, i am asked to set JAVA_HOME to jdk from jre. Despite the fact that I have set
JAVA_HOME=/usr/lib/jvm/java-1....
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Minecraft in 15.04 Connection issues
So I don't know any better way to explain what the problem is other than showing you this. I am using 15.04.
Ask me if you need any more information.
EDIT: solved, apparently java was just messing ...
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Running a jar file at boot with cron and seeing output
I'm setting up a jar file to run at boot. I have a script to run it with, and that script is configured to run at boot in using @reboot in cron. I have a bare CLI interface for the moment, with no DEs....
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1
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JAVA Graphics does not display!
I made a post earlier that was not clear! Here is the code. It is a sample code I am testing to see if it works on my ubuntu!
// using drawLine to connect the corners of s panel
import java.awt....
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Same thing works on terminal but not in java Runtime while using Ubuntu 14.04 LTS
I have a Java project which I developed in windows. Now, I want to make it platform independent.
A part of the project is: it takes a c program and executes. takes input from file and gives output in ...
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1
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How can I install Java Editor
I want to install this Java Editor in Ubuntu 14.04.
I have already install Wine1.7 and Java 8. :)
How can I do this?
(Sorry, I am a Ubuntu-beginner)
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Cannot install NetBeans 8 in Ubuntu 14
I am trying to install NetBeans 8 in Ubuntu 14. When I execute the .sh file using ( I have already set the file as executable )
./netbeans-8.0.2-linux.sh
I get this ( Out of memory error )
I tried ...
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4
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How to search a file in multiple jars
Want to search a file inside a set of jar files. How this can be done in ubuntu termianl?
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How to install latest OpenJdk on Ubuntu?
I know that latest official openJDK is java version "1.7.0_25". But there is java version "1.7.0_40" in development. Does anyone know how to install openJDK "1.7.0_40" on an Ubuntu machine?
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Problem runing Matlab R2013a in Ubuntu (aparently, something to do with Java)
I am having some troubles while trying to run Matlab R2013 on Ubuntu 15.04 (the same problem happens in 14.04 and 12.04 versions). When I try to run in from the terminal or using the Matlab icon, I ...
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1
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Can't use www.saberparts.com
When I go to a website that looks like using flash or java or somthing similar, it says that "your current browser isn't compatible with saberparts" and I actualized firefox, tried it with chrome, ...
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Cgoban3 for offline use
The software Cgoban3 client is a program to play the
game of Go
online on the KGS server: http://www.gokgs.com/index.jsp
In order to download the Cgoban3 client one first has to get the file cgoban....
CommunityBot
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1
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Oracle-xe 11g installation on ubuntu 14.04
I tried to install the oracle-xe 11g rpm package. I tried to follow the oracle pdf provided by the oracle site. I run:
rpm -ivh oracle-xe-11.2.0-1.0.x86_64.rpm
and I get the following:
glibc >= ...
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4
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Minecraft server (Bukkit) .sh bash file not opening
My Minecraft server (Bukkit) .sh bash file is not opening! I did make it executable (in permissions, I clicked "anyone" for executable). Here's the code:
#!/bin/bash
cd "$( dirname "$0" )"
java -...
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1
answer
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Make a program automatically take higher priority?
I'm using my Ubuntu OS to play Minecraft. I can get the game to run a little faster by closing my other programs and giving the Minecraft java process a higher priority via the System Monitor. The ...
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Unable to open Few .jar files in Ubuntu 15.04, Error: "Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/jayatanaag.jar "
I got stuck with this, I can't able to open few .jar files. Its throwing error as:
Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/jayatanaag.jar
Please check the screenshot(1 pic is of ...
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Error opening zip file or JAR manifest missing : /usr/share/java/jayatanaag.jar
I've made a mistake by:
"sudo rm -rf /usr/share/java"
Now, every check version by
"java -version"
the output messages is:
"Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/...
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1
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I can't install openJDK 7 in ubuntu 12.10 (32-bit)
Using Ubuntu Software Center I tried to install OpenJDK 7 but got the following notification.
**Package dependencies cannot be resolved**
This error could be caused by required additional software ...
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1
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Install new Java on old system
I have old Ubuntu Linux 2.6.8 i686 with JRE 1.4 in it. I have no possiblity to upgrade system, but I would like to upgrade my Java.
I suppose I can have big problems while installing newest java to ...
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Why does 'sudo java' change the user home directory to /root?
I have a program that needs to access a file in my home directory.
Ubuntu will not allow this to happen due to the program not having root privileges. At first I ran this java command (which wouldn'...
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1
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Trying to play Runescape on Chromebook
Please be as simple and patient with me as possible. Not only is this my first experience with programming in any way, I'm surprised I got this far at all. I'm being serious. If you don't think it's ...
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Managing JRE in linux
Currently I'm running Ubuntu 2.6.8 #1 Thu Mar 24 12:02:14 UTC 2005 i686 GNU/Linux on my system and trying to understand what kind of java I have.
Command find /usr -name java output :
/usr/src/php4/...
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1
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X11 forwarding MATLAB under Ubuntu 15.04 leads to issues with text visualization
I am using ssh -Y to connect to a remote cluster from a laptop running Ubuntu 15.04, and when I launch MATLAB version 2013a or later, text is incorrectly displayed (e.g. in the editor, portions of ...
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Java 7 reporting not installed?
Okay, so I am trying to build an Android ROM, but the following error returns;
************************************************************
You are attempting to build with the incorrect version
of ...
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1
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How do I use Java 6 when java 7 is installed?
How do I use Java 6 when I have both java 6 and java 7 installed? I need both.
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1
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Install both Oracle Java 7 and 8?
As the title asks, I need both, both Oracle Java 7 and Oracle Java 8. I've installed Oracle 8 (through webupd8), but software I want to run (Gephi) will only work on 7. Please advise.
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jdk 1.7 and ubuntu 32 bit compatibility
I want to run a video in JFrame in which I have used Vlcj and JMF framework and I have successfully achieved my task in Windows. But when I tried to do the same work in Linux (32 bit) it gives me ...
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1
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how to export folder specific environment variables?
I have two projects on my computer that require JAVA_HOME to point to jdk7 and 8 respectively.
Right now I'm working around this by having 2 files in my home folder that i source to set JAVA_HOME ...
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Java Plug-in Crashed in Firefox 28.0 on Ubuntu 14.04 LTS
I just installed Oracle Java 1.8.0_51 .And set as it as by default.I also linked libnpjp2.so file in Mozilla folder in /usr/lib/mozilla/plug-in. But when I am going to verify java its show no java ...
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Integrate Java into Eclipse
I just downloaded an Eclipse mirror (Kepler) for C/C++ developers. My question is how I could integrate Java into Eclipse. I already have java JDK/JRE installed on my computer - so I only need a ...
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Finding the vlc.so file in linux - Java Development
I want to play video in JFrame by using VLCJ framework. In windows program is working fine
NativeLibrary.addSearchPath(RuntimeUtil.getLibVlcLibraryName(),"/usr/share/man/man1/vlc.1");
The line in ...
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Firefox can't get the latest java version in ubuntu 15.04 in about:configs with iceatea-8-plugin, but oracle java version verify page can
In my laptop, I have openjdk1.6, openjdk-1.7, and openjdk1.8 installed. I can see all of them through update-alternative --config java.
$update-alternatives --config java
There are 3 choices for the ...
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java file will not launch from .desktop file - Ubuntu 12.04 LTS
I have a bin/bash script-
#!/bin/bash
java -Xms256m -Xmx1g -jar KeeperDesktop.jar
inside an executable text file ( keeper-start)
I have created a .desktop file for it as i want to launch it from ...
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0
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What is javac internal?
I just installed a new version of Java 8, when I asked for the version of the Java I got following output
~/$ javac -version
Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/jayatanaag.jar
...
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1
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Eclipse dosn't see JDK
I had installed Eclipse and it was working well few days ago. Now I can't create Java project, there is no such option and in the Eclipse Preferences there is no mention about the word Java.
I was re-...
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Get error on install Java
I tried install Java 8 for Oracle PPA but get a error. I have viewed “sha256sum mismatch jdk-7u3-linux-x64.tar.gz ” error when trying to install Oracle Java and How to remove error message when ...
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Eclipse Juno won't open gui java apps when run with gksudo
I have Eclipse Juno installed on Ubuntu 12.04.
When I run from the command line with sudo, everything works fine. However, when I follow the advice I see everywhere and run it with gksudo, I get the ...
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1
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Websites running on server showing virus warnings
I am running Plesk 9.5 on Ubuntu 8.04 LTS and have about 15 websites infected with some malicious code appended to the end of java files. I have installed Clamav and it has managed to pickup the ...
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Android Studio how to get “OpenJDK shows intermittent performance and UI issues.” warning message *back*!
tl;dr: how to "undo" an erroneous click on "Do not show again" in Android studio?
**
When I fire up Android Studio (installed using umake on Ubuntu 14.04) I used to get a warning message telling me ...
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Does Minecraft 1.8.8 use libudev.so.0?
I had some issues launching several programs, such as Popcorn Time, Spotify, and Minecraft.. Both Popcorn Time and Spotify were fixed, in Popcorn Time I simply changed the hex code with ghex, in such ...
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