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 ...

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tzdata-java / tzdata package update error ubuntu precise 12.04

I had an unexpected error while updating the tzdata-java package (through daily updates). The following packages have unmet dependencies: tzdata-java : Depends: tzdata (= 2014c-0ubuntu0.12.04) but ...
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61 views

Can Ubuntu for tablets run Java applets?

Can Ubuntu for tablets run JAVA applets in browser? My bank has netbanking build in Java and I need to use it on my android tablet which does not support Java browser applets. Don't have experience ...
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9 views

java problem all over again [duplicate]

When I try to run something that requires java, I get this message: "Java(TM) is required to display some elements on this page.". Next to it is offered a link to install plug-in. First it was offered ...
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19 views

Java won't work on Chrome Ubuntu 14.04 [duplicate]

I tried to run java in chrome but it wont work. In Firefox it works ok. I checked also in chrome:plugins and there is nothinf about java there. Icedtea is also installed.
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1answer
83 views

java plugin stoped working on Chrome [duplicate]

Ubuntu 12.04 here. My java-6-openjdk-amd64 Java plugin was fine until I installed the last week-or-two system updates. Now when I verify java Google Chrome gives me the Install Plugin yellow bar.. ...
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1answer
137 views

Installing IcedTeaPlugin for Chrome

I am trying to get the java plugin to work on chrome but have failed so far. I made symbolic links for the two files : IcedTeaPlugin.so and libjavaplugin.so I made the links in the file section ...
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1answer
127 views

Subversion 1.8.8 doesn't work with Java svn libraries

I'm running an up-to-date 14.04 installation. In a Java project built with Ant, I'm using the <svn> task to grab the current revision information. I've got (as far as I can tell) up-to-date ...
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73 views

How to troubleshoot Aptana Studio in ubuntu 14.04

Since my Aptana didn't respond properly after ubuntu 14.04 upgradation, I tried the following steps for upgrading java: *sudo apt-get install libjpeg62 libwebkitgtk-1.0-0 git-core *sudo ...
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2answers
111 views

How are we able to run eclipse.exe in ubuntu?

I was following instructions to manually setup eclipse kepler in Ubuntu 14.04. Next create an executable for Eclipe at ~/bin/eclipse with your favorite text editor by typing vi ~/bin/eclipse or ...
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2answers
90 views

I can't download Java or WINE due to similiar error

I've been trying to download Java Oracle 8 and WINE and I keep getting the same problem. W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release Unable to find expected ...
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14 views

Mouse cursor stops working when placing block in Minecraft

This question might seem really weird. I have made a mod for Mine craft and it works fine on my windows laptop. The problem is I have made a multi block structure and when I place the last block in ...
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3answers
60 views

Eclipse and java 7 but no javac?

I have a java computer program that I can compile in Eclipse just fine. I want to compile it from the command line and get the message javac not found. I figured that I just didn't have my path setup ...
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10 views

OmegaT and Java Version

Installed omegaT from the Software Centre (Ubuntu 12.04). When I try to start it, I just get the error message: Suitable java binary not found. The output of java -version is: java version ...
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1answer
240 views

Java not working in Google Chrome Lubuntu 14.04 (32-bit)

I have Java 1.7.0_55 installed I have gotten it to work on firefox. My installed chrome version is Version 35.0.1916.114. I have already created the plugins folder in the chrome directory and made a ...
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3answers
63 views

how to install Jdk 7 on ubuntu 12.04 [duplicate]

I''ve downloaded tar file from oracle server but I don't know how to install it on my ubuntu linux system. Could you please provide step by step details on how to install it? Thanks
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2answers
153 views

Minecraft won't install

I tried to install minecraft on my computer, but it won't display on-screen. I went to https://www.minecraft.net/download and downloaded the jar file. I put the launcher on the desktop and tried to ...
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0answers
13 views

Problems with specific java application

I’m having an issue with a specific website. For my job I have to use a website called OJIN, we use it for checking criminal background. But I'm unable to click on the pop-up window to be able to ...
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1answer
11k views

How do I get Java plugin working on Google Chrome?

Google has updated its Chrome browser to version 35. This new version uses Aura in place of GTK2 and no longer supports NPAPI plugins like Java (both OpenJDK and Oracle). PPAPI plugins like ...
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3answers
2k views

Java Plugin issue on chrome browser [duplicate]

I am running Ubuntu 14.04 64 bit. Installed java on this. Version 1.7.0_55. trying to enable java on google chrome but have failed. I symbolic linked libnpjp2.so to /opt/google/chrome/plugins ...
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0answers
142 views

Java windows open up off-screen (multi monitor setup with Ubuntu 14.04)

I'm on Ubuntu 14.04 (64 Bit) with Java 1.7.0_55 (openjdk-7-jdk:amd64, openjdk-7-jre:amd64). Most GUI Java applications start without any errors or warnings and their Icon shows up in the launcher, but ...
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48 views

Java Applet / Printing

We access a third party application (java applet), which prints output to a postscript printer. We have been using this application on Windows from quite some time successfully. Our current setup is ...
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40 views

Unable to claim interface: Resource busy

I am working with USB4Java (the low-level version) and am basically working from this code here. I was running into a problem about permissions but was able to resolve by running eclipse using gksu ...
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157 views

JavaFx 3D does not run on Ubuntu 14.04

When trying to run the *javaFX 3D demo on my Ubuntu 14.04 (Gallium 0.4 on AMD REDWOOD, Java JDK 8u5), I get the fellowing error message: Executing ...
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1answer
109 views

Downgrade Java 1.7 to Java 1.5

I am now on Ubuntu 14.04, and my Java version is java version "1.7.0_55". How can I remove 1.7 and install java 1.5. I tried several tutorials, but they are old and none of them worked for me.
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3answers
449 views

Tomcat does not recognize JAVA_HOME

I've installed Ubuntu 14.04 Server, extracted JDK1.8u5 and Tomcat7, and added the following to .profile (I also tried adding it to .bashrc with similar [non-] results): export ...
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1answer
55 views

Hash mismatch error while updating and trouble installing some packages

I am using Ubuntu 14.04 and my college provides us software repositories which we can access from inside the campus. I tried installing java and only after that I started getting the hash mismatch ...
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1answer
52 views

Unable to run javac though java is working [duplicate]

I am getting the error message below when I run javac on ubuntu terminal: The program 'javac' can be found in the following packages: * default-jdk * ecj * gcj-4.6-jdk * gcj-4.7-jdk * ...
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22 views

NetBeans clipboard not working well

I installed NetBeans 8.0 on Ubuntu 14.04. and I have a problem - it seems like it "doesn't share clipboard" with other applications. The thing is copy-paste works within NetBeans (I can copy the ...
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1answer
58 views

Netbeans installation doesn't work

While trying to install Netbeans 8.0 in my Ubuntu 14.04 I get the following error: Can`t initialize UI Running in headless mode Exception: java.awt.HeadlessException thrown from the ...
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1answer
108 views

Set All .jar FIles As Executable

I run Java programs alot on my computer. It runs the latest version of OpenJDK, which is OpenJDK 7. When I try to run a .jar file, it gives me an error saying that the .jar file was not marked as ...
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1answer
517 views

How to set the JDK for Android Studio?

I can't compile a default new project for Android 2.1 because(?) the JDK used by Android Studio is JDK 1.7 but it should be JDK 1.6. To change it I go to File -> Project Structure and try to find the ...
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25 views

Java 6 and 7 on one system

I am wondering if it is okay to have both Java 6 and 7 installed at the same time on one system. Will it not make things unstable? Would really need this because I need to test my programs in both ...
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votes
1answer
60 views

“Your Java version is out of date.” on Ubuntu 2014.04

With fully updated Ubuntu 2014.04, Firefox tells me: Your Java version is out of date. How to update Java? Typing java -version in a terminal tells me: java version "1.7.0_51" Java(TM) SE ...
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231 views

Upgrade Oracle Java 7 to Java 8 for Ubuntu

This could be more of a guide than a question to anyone who upgrades Oracle Java version 7 to 8. My server was running Ubuntu 13.04 with Java version 7. My update to Java version 8 was not ...
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551 views

A fatal error has been detected by the Java Runtime Environment

I wanted to install WindRiver Workbench for VxWorks development on my Linux host. I got the correct license file and everything but my JRE seems to crash, I get the error: Launching installer... # ...
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vote
1answer
58 views

Why does Vim highlight Javadoc comments like this?

I am using vim to edit Java code. I added a Javadoc header above the class definition, but the syntax highlighting is very strange: read the Javadoc comment above Why is the first sentence ...
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75 views

Problem with Notification Area and Eclipse on Ubuntu 14.04

Since the last week, I have a problem with the Unity Notification Area on Ubuntu 14.04. When I'm using Eclipse, (with Oracle Java 1.7) the Notification Area dissapear and, 1-3 seconds after, reappear. ...
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vote
1answer
31 views

ifconfig weirdly returns exit code 1

I am executing the following command to find the MAC Address of eth0 ifconfig eth0 | grep -o -E '([[:xdigit:]]{1,2}:){5}[[:xdigit:]]{1,2}' I have a java wrapper which just calls the script ...
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272 views

I can't run FlashTool on ubuntu-gnome 14.04

I try to run Flashtool 0.9.16 on ubuntu-gnome 14.04 but if I run as Root then it return this error gelasak@gelasak-GA-MA785GT-UD3H:~/FlashTool$ sudo ./FlashTool Running as root. JAVA_HOME not set. ...
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1answer
157 views

Aptana crashes on Git Commit in 14.04

Ever since I upgraded my machine to 14.04 - I cannot commit via Aptana's "Team" menu. I was having other, miscellaneous and unrelated problems, so I did a fresh install, and used Oracle Java ...
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votes
1answer
35 views

How to tell javac which libraries to include

So I am trying to run a java file from Terminal. But the file is using the apache.commons.io lib, so a simple javac MyFile.java does not work here. How do you include the libraries in Terminal?
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2answers
90 views

How can I open Java's Control Panel?

How can I open Java's Control Panel to change the security settings?
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votes
2answers
5k views

How to install OpenJDK 8 on 14.04?

Java 8 is now available according to http://openjdk.java.net/projects/jdk8/, but http://openjdk.java.net/install/ does not yet mention how to install OpenJDK 8 (not Oracle Java) on Ubuntu. How and ...
1
vote
1answer
936 views

Eclipse version on Ubuntu 14.04 (Trusty Tahr)

Newbie-question: Does anyone know why in the ubuntu software repository eclipse is on version 3.8.1 while the latest eclipse version for linux from eclipse.org is eclipe 4.3.2? Which version should I ...
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530 views

Ubuntu 14.04 - icedtea-6-plugin:i386 : Depends: icedtea-netx:i386 (= 1.5-1ubuntu1)

First of all, I'm a noob on ubuntu. I needed to run a Java application and installed latest version. After that, tried to run .jar file, it worked, but when I try to run the installed files, they give ...
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vote
1answer
32 views

Turkey.gov.tr libpkcs11wrapper.so Ubuntu Generic thing

While trying to access https://www.turkiye.gov.tr/ using smart identity cards, browser Java Application whether if you have libpkcs11wrapper.so file on your library. General thing is when you search ...
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0answers
33 views

Java: plugin install for freemind, get : NoClassDefFoundError org/objectweb/asm/Opcodes

I am using freemind 0.9 on Ubuntu 12.04, and trying to install a plugin written with "groovy", from http://blog.icare3d.org/2011/02/writing-phd-thesis-using-freemind-and.html I installed freemind, ...
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0answers
249 views

'uboot-mkimage' has no installation candidate?

i'm using 13.10,64 bit. i'm trying to install mkimage but it is not working. root@pnreddy:/home/pnreddy/Android_13.04# sudo apt-get install u-boot-tools Reading package lists... Done Building ...
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votes
2answers
252 views

Iced Tea plugin keeps asking for permission to run Java applets

Every time the browser wants to load a Java applet a dialog asking me for permission to run the java applet appears. No matter if I check the option "remember this option" or not, the dialog appears, ...
1
vote
1answer
91 views

intellij idea not opening because of jdk/bin/java

I am relatively new to ubuntu. i am using idea intellij from jetbrains for developing applications with gwt and java. Recently i have installed ubuntu 14.04 and everything works fine but idea 13. I ...