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

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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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55 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
32 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
44 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
99 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
1k 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
138 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
35 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
29 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
50 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
74 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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0answers
64 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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0answers
46 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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0answers
26 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
28 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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0answers
26 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
72 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
77 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
141 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 $ ...
1
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2answers
94 views

ARM - Java 6 works, Java 7 doesn't [closed]

I have a ARM Android phone, and want to use it to test Java projects on it, because it's the only "PC" that I can have close to me all the day. Right now, I installed Linux Deploy and then created a ...
2
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2answers
209 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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1answer
437 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
41 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
30 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
50 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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0answers
128 views

IcedTea always ask for confirmation even when the security level is lowered, how to change this behaviour?

I am running Ubuntu 14.04.1 64-bit LTS with OpenJDK Java 7 Runtime, IcedTea Web Control Panel, IcedTea Java Web Start and Icedtea Java Plugin(browser plugin) installed. I am using Firefox 35.0.1 and ...
0
votes
1answer
276 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
1k 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 ...
2
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0answers
159 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
55 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 ...
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0answers
78 views

IcedTea Java-plugin displays a warning, how can I define the application as trusted?

I am using Ubuntu 14.04.1 LTS 64-bit and when I launch the VPN client which allows me to use university resources outside the campus I always get warned by the IcedTea Java-plugin, how can I add the ...
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0answers
42 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): http://packages.ubuntu.com/search?keywords=imageio&searchon=names Is there a replacement for this ...
0
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0answers
55 views

oracle-jdk and open-jdk simultaneously on ubuntu machine

I have an oracle-jdk8 installed on my ubuntu 14.04 and i use it for android development, also I need open-jdk or jdk7 for scala because apparently scala has some issues with jdk8. So I was wondering ...
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2answers
1k 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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0answers
344 views

Install jstack without the entire openjdk-7-jdk bundle

I am wondering if it is possible to install jstack without the entire openjdk-7-jdk bundle. So far, I have a process to manually copy of the following folders and binary from an existing installation ...
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0answers
69 views

xcb/xlib chrashes java VM

I'm working on java application, or to be more precise an eclipse rcp application. But I think that this is not the really important part. However, when I try to run the application I always get the ...
1
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2answers
717 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 ...
0
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1answer
42 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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0answers
51 views

error installing any package or update

I want to install package or update but I get an error. Example error for openjdk-6-jdk: Reading package lists... Done Building dependency tree Reading state information... Done openjdk-6-jdk ...
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1answer
1k views

Where is my Java compiler 1.8, in Eclipse?

1- I installed openjdk8 2- In Eclipse (v3.8.1) -> window -> preferences -> Java -> installed JREs, I added the related standard VM. 3- In Eclipse -> Project -> Properties -> Java build path, I ...
1
vote
1answer
560 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 ...
1
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2answers
1k 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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60 views

Uninstall oracle and install openjdk back?

I followed the instructions from the answer of this question but it didn't work: How to remove Oracle JDK I Just installed oracle jdk following instructions from this link: ...
1
vote
2answers
133 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 ...
4
votes
1answer
467 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 ...
0
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1answer
59 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 ...
0
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1answer
260 views

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 ...
2
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0answers
141 views

The installed java is version 7u65, yet the ubuntu package is 7u71, why the discrepancy?

I'm running Ubuntu 14.04 and need to use Java 7 update 71. It seems like openjdk has been updated in the Trusty repos to update 71, yet even if I install the update java seems to still be at version ...
0
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1answer
252 views

IcedTea Doesn't Run Properly in Firefox

I have Java 7 installed for Ubuntu 12.04 and I have IcedTea installed in Firefox (33.0). Some Java plugins are not working correctly. For example: starting from the IcedTea-Web-Tests (see the IcedTea ...
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0answers
69 views

Message: JAXP00010001: The parser has encountered more than “64000” entity

I'm running CKAN.org on Ubuntu 12.04 LTS. Perfoming certain requests results in an error in the apache-log: [Thu Oct 30 13:51:15 2014] [error] [client 127.0.0.1] SearchIndexError: HTTP ...