Is a free and open source implementation of the Java programming language. It may be installed from the software centre.

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Octave-4.0.0 Configuration step warnings in Ubuntu 15.04 (HDF5/jni.h not found)

I am trying to install Octave-4.0.0 from source following the instructions from the wiki page. I have installed every single dependency (optional too) mentioned on that page. In the configuration step ...
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1answer
254 views

Best practices for installing Java on secure server running Ubuntu 14.04 LTS [closed]

I see there are a number of ways to install Java on Ubuntu... what I want to know is about which way is best for a server that is secure and running a Java web application. The three ways I know of ...
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2answers
153 views

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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0answers
7 views

Java not working on Ubuntu 15.04 [duplicate]

When i double click on a .jar file, it opens the archive manager. I have made it executable. I have tried getting Java 6,7 and 8 from the Software center. If i right click on the file and choose to ...
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1answer
698 views

Can not install java jdk 8

I've installed ubunut 15.04 recently and I've tried to install java JDK 8 but I can not, and I don't know why. I have fallow all that commands: sudo apt-get install python-software-properties sudo ...
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188 views

idea-ic IDE fails with “No Java JDK found” error, however my OS has Java installed and exported

I am facing an issue with Idea Intellij. I have Java installed and exported on my machine and it works fine for Pycharms. However, when I try to start Idea Intellij, it gives me Java not found error. ...
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1answer
39 views

setting up VOCE api in ubuntu

I am using ubuntu 14.04 . I recently downloaded a speech recognition and synthesis api called voce. For installation it told me to run the build.sh file. When I run this script it pops out some errors ...
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2answers
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OpenJDK vs. Oracle JDK for Android Studio

When I run Android Studio with OpenJDK installed I get a warning recommending the use of Oracle JDK. Is Oracle JDK actually better or is it fine to just stick with OpenJDK? Installing Oracle JDK seems ...
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135 views

Possible issues of installing OpenJDK 8 on Ubuntu 12

What are risks/possible issues of installing OpenJDK 8 from PPA (https://launchpad.net/~openjdk-r/+archive/ubuntu/ppa) on Ubuntu 12.04.5 LTS? I understand that OpenJDK 8 never will be in official ...
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1answer
1k views

what means : java.io.EOFException: Unexpected end of ZLIB input stream? [closed]

The complete : java.util.zip.ZipException: error in opening zip file at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.<init>(ZipFile.java:215) at ...
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1answer
761 views

OpenJDK not working

I have run sudo apt-get install openjdk-7-jre It says Reading package lists... Done Building dependency tree Reading state information... Done openjdk-7-jre is already the newest ...
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1answer
2k views

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 ...
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4answers
8k views

Minecraft with OpenJDK 7, I get “the trustAnchors parameter must be non-empty”

Im using Ubuntu 15.04 and OpenJDK 7, trying to run Minecraft. This is what I get. EDIT: Minecraft is working now when I use sudo java -jar Minecraft.jar but doesn't work without super user, how would ...
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1answer
709 views

lost right-click open with java 7 Ubuntu 14.04

Does the following method seem proper enough (or alternatively, fundamentally flawed) as the way to get back the right-click ability for opening with Java? After some sort of hang and crash of ...
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2answers
149 views

what is the minumim required packages for installing open java 8

What are the minimum packages required to install open java 8? Available packages: openjdk-8-dbg openjdk-8-jdk openjdk-8-jre-jamvm openjdk-8-demo openjdk-8-jre ...
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0answers
131 views

JRE failed even after open jdk as well as oracle

$ sudo update-alternatives --config java There are 2 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status ...
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3answers
1k views

Minecraft doesn't run; I do all the things to fix it, but it doesn't works!

No OpenJDK 7 Java Runtime on the dialog box. Done fixing this. Here's my Java version. I'd just reformatted my PC because there's problems in the last Ubuntu installation but Minecraft works ...
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2answers
6k views

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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1answer
409 views

removing jva openjdk 7, ubuntu 15.04

Can I safety remove OpenJDK 7 from my system? I've got OpenJDK 8 but I've found this: I suppose you are using 12.10 or 13.04. Here default-jre depends on openjdk-7-jre. So you can't remove ...
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1answer
403 views

Can't install anything via apt-get - openjdk errors

I have become unable to install anything on my Ubuntu 14.04 box. When I try to, I get the following error: No apport report written because the error message indicates its a followup error from a ...
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0answers
96 views

sqldeveloper can't start

When starting sqldeveloper it crashes without any warning. It just shows a window for a fraction of second. By debuging : $ bash -vx /opt/sqldeveloper/sqldeveloper/bin/sqldeveloper it gives this ...
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2answers
550 views

unable to install OpenJDK Java 6 runtime

Please mind im fairly new to linux so please try to keep the technobabble to a minimum. So in the ubuntu software centre i tried to install the java 6 runtime and it gave me this error message The ...
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1answer
247 views

Problem while installing oracle-java8-installer

I am trying to install Oracle's Java8, but I get the following errors. How can I fix those? Translated from Spanish. For original text, please see the revisions. r06xd@uers1-H61MLV2:~$ sudo apt-get ...
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595 views

Setting JAVA environment variable [duplicate]

I am setting up new Ubunut machine. Stuck on setting up Java environment variable. I have tried all possible way and whatever solution I found here. None of them worked. It is still giving me blank ...
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200 views

Problems running Java programs with OpenJDK

I am running Ubuntu 14.10 on my machine, and in order to run programs in Eclipse it seems that I must use the OpenJDK instead of the JDK from the Oracle website. I think this is the source of this ...
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74 views

Application Showing Default OpenJDK Icon When Run With OpenJDK

I have a Java Application built using SWT. It's pretty easy to set the image for the application: shell.setImage(new Image(display, "path/to/image.png")); The image is displayed as it should (i.e. ...
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0answers
65 views

Can't Repair - openjdk-7-jdk:i386 libatk-wrapper-java-jni:i386 Broken packages in Ubuntu 14.04

When i run the reaair broken packages on synatic package manager it returns: E: /var/cache/apt/archives/openjdk-7-jre_7u75-2.5.4-1~trusty1_i386.deb: intentando sobreescribir el compartido ...
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36 views

Minecraft not running

So when I boot minecraft, everything goes very well until I click the play button. Once click, the launcher autohides (like it should) then it opens back up with the following error: ...
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0answers
123 views

Support / lifetime of OpenJDK 6+7 in Ubuntu 12+14 LTS

We have a few systems running OpenJDK 6 on Ubuntu Server 12LTS..we are planning on updating to Ubuntu Server 14LTS with OpenJDK 7. Unfortunately I cannot find any information about OpenJDK 6 + 7 ...
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0answers
149 views

Problem in OpenJDK install

I have a problem in OpenJDK installation. openjdk-7-jre-zero - Alternative JVM for OpenJDK, using Zero/Shark uwsgi-app-integration-plugins - plugins for integration of uWSGI and application ...
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0answers
971 views

How to make openjdk-8 default java version and remove openjdk-7

I have intalled openjdk-8 (from official repo) with apt-get install openjdk-8-jre-headless openjdk-8-jre openjdk-8-jdk and updated alternatives with update-alternatives --config java now $ ...
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2answers
459 views

Apparmor problem: Icedtea plugin freezes firefox (35.0.1)

EDIT5: finally it's probably is an Apparmor problem. /usr/lib/firefox/firefox{,*[^s][^h]} is indeed in complain mode, but /usr/lib/firefox/firefox{,*[^s][^h]}//browser_java ...
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3answers
4k views

Missing tools.jar (Android Studio)

The command $ ~/android-studio/bin/studio.sh says 'tools.jar' seems to be not in Android Studio classpath. Please ensure JAVA_HOME points to JDK rather than JRE. I have searched for the solution ...
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0answers
109 views

Purge or remove command in APT tries to install new packages, how to circumvent this?

I am running Ubuntu 14.04.1 64-bit and when use the purge command for openjdk-7 it suggests to install various packages and I cannot cancel it. Is there a possible work around this issue? You can see ...
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1answer
51 views

Can I tell, from the browser, which Java version is installed, including whether OpenJDK, Oracle, etc

I know of java.com/verity, but it only tells me the the version number of Java, e.g. Your Java version: Version 8 Update 25 It does not tell me whether I have OpenJDK or Oracle installed. Is there ...
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0answers
95 views

Cannot remove openjdk without having an older version installed, how can I do so?

I am running Ubuntu 14.04.1 64-bit with Oracle Java installed, hence I would like to uninstall openjdk, but when I try to uninstall it via the command line I get the following output: ~$ sudo apt-get ...
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1answer
506 views

Installing JDK 8 after removing OpenJDK 7

I just removed OpenJDK at Ubuntu Software Center, and downloaded JDK 8 at official Oracle site, and installed with alien. But when I type java -version at terminal, it keeps returning ...
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2answers
5k views

Installation of SAP GUI 740 on Ubuntu 14.04

I need your help! I have the following version of JRE installed on my system: java version "1.7.0_75" OpenJDK Runtime Environment (IcedTea 2.5.4) (7u75-2.5.4-1~trusty1) OpenJDK 64-Bit Server VM ...
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0answers
342 views

Apache ActiveMQ's main instance does not start in Ubuntu 14.10

I have installed the `activemq package in Ubuntu {12.04|14.04|14.10} In the LTS releases the service works fine, but in the 14.10 dist release the activemq does not work: # ln -s ...
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1answer
117 views

fatal error while using Java3d on newer ubuntu version than 11.10

I'm running a java based website where i use java3d to render some 3d images without any problem on oneiric. I also need to say since the application runs on a server without a graphiccard, i use ...
3
votes
1answer
189 views

libjai-imageio-core-java in Ubuntu 14.04

It seems that libjai-imageio-core-java is missing on 14.04 (it is available on Ubuntu 12.04): Is there a replacement for this file? Or, how do I build from the source code?
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2answers
5k views

OpenJDK-7-JRE throws “broken packages” error (14.04 LTS)

I have an application that requires the Java JRE. I decided to go ahead and install the JRE from the repositories. Normally, the only issue I would have with this is it taking forever and a day to ...
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2answers
2k views

Minecraft Crashing, linux download

Hi so I've been going at this for hours and I have installed everything correctly, I'm using a HP 14 chromebook, and I hear you can get minecraft on it, with downloading a Linux desktop. I'm using ...
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1answer
68 views

Why is the installed version of openjdk 32-bit instead of 64-bit?

I have a fairly new installation of Ubuntu 14.10. I am pretty sure that I installed the 64-bit version and confirmed via $ uname -a Linux Family 3.16.0-28-generic #38-Ubuntu SMP Fri Dec 12 17:38:37 ...
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1answer
5k views

Where is my Java compiler 1.8, in Eclipse?

I installed openjdk8 In Eclipse (v3.8.1) -> window -> preferences -> Java -> installed JREs, I added the related standard VM. In Eclipse -> Project -> Properties -> Java build path, I changed the JRE ...
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1answer
2k views

Android Studio Desktop Entry shows “OpenJDK shows intermittent performance and UI issues.”

On Ubuntu 14.04 I recently installed Android Studio v1.0.1 and noticed that it warns against using the OpenJDK due to "intermittent performance and UI issues." As recommended, I installed the Oracle ...
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4answers
6k views

OpenJDK-8/Oracle JDK 8 Font Patches for Ubuntu

Is there a patched version of OpenJDK-8 or Oracle JDK 8 for Ubuntu 14.10 which fixes ugly fonts in Java Applications (Jetbrains products, Netbeans etc.)? I had previously installed a patched version ...
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2answers
294 views

jar files not working

In terminal when try to run jar file it doesn't launch. I have recently uninstalled open jdk 6 to save some space if that matters. abe@abe-Dimension-8400:~/Desktop$ java -jar Minecraft.jar I use ...
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2answers
692 views

Cannot sudo apt-get -f install because of jdk problem

I am completely stumped. The problem is as follows. user@mycomputer:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done ...
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1answer
100 views

openjdk-7 gdb list main.c sources error

I'm currently struggling with debugging openjdk in Trusty Tahr. I already installed opejdk-7-jdk openjdk-7-dbg. When I issue gdb java I see it reads the symbols properly, but when I ask to list the ...