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

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30 views

Unable to launch Spark

I followed this answer. I am getting this error: spark-class: line 86: /usr/lib/jvm/java-8-oracle/bin/java: No such file or directory And to my surprise, I have: gsamaras@gsamaras:/usr/lib/jvm$ ...
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1answer
28 views

Installing java

When I am installing java I am getting this problem how can I resolve it? Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be ...
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0answers
20 views

Ubuntu 14.04 Juniper network-connect crashes right after starting

My juniper network-connect tool crashes just after launching. It used to work until last week and has suddenly stopped working (probably due to recent update). $ ...
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1answer
24 views

what are these outputs in terminal while installing/upgrading jdk

I've been installing jdk i have more than single problem 1.in 1st line when i try to set alternative of java it said java is already managed what does this mean 2.why i have to type java1, javac1. ...
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1answer
18 views

OpenJDK not running .jar files

I've downloaded the .jar file for Minecraft, and I installed OpenJDK 6 from the software center, and I tried with 7 as well, but it keeps throwing the message "The file ...
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0answers
13 views

Install openjdk-7-jre without prompt

During the install I have to hit [ENTER] in order for the install to proceed on the command: apt-get install openjdk-7-jre Is there a way to avoid this prompt?
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0answers
41 views

Can't find JDK for Unity3d development

I'm developing on Unity3d 5.2 a game which should be build for an Android. I use Ubuntu 14.04. I used: sudo apt-get install openjdk-7-jdk to install java. Set $JAVA_HOME and $PATH variables in ...
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1answer
21 views

How to run two java applications running in different openjdk( say 7 and 8) at the same time in Ubuntu?

So the application DHIS2 runs only in Java-version-8, while many applications are still not compatible with newer Java Version. In such condition how can I run two different applications at same time? ...
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3answers
39 views

$JAVA_HOME resets after every terminal login

I just installed openjdk-8-jdk. I already had openjdk-7-jdk installed. When I ran echo $JAVA_HOME, it printed /usr/lib/jvm/java-7-openjdk-amd64. So I tried changing the $JAVA_HOME variable but it ...
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0answers
25 views

How to handle Java and software installation

I am not a Java expert and I am trying to understand how java relates to different programs. After some program installations (latest versions) I think that the default java is changed and I ...
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1answer
25 views

How to run a jnlp app on 15.10

I have trouble running a java app starting with java WebStart. I do have icedtea-netx installed (1.5.3-0ubuntu0.15.10.1), but when I try to run the app, I get the following error: +(CONNECTED ...
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0answers
23 views

unmet dependencies while installing java

I have the following error while trying to install java in my ubuntu-14.04. Can someone help me to resolve this problem ? Reading package lists... Done Building dependency tree Reading state ...
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0answers
17 views

Why does Ubuntu not want to remove old Java versions?

I finally got my 14.04 system up to date with Java and JDK 8 - as you can see in the screenshot, I still have JDK7 though. When I go to uninstall it, it says it will uninstall freemind and other ...
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3answers
100 views

Oracle jdk in Ubuntu

I removed openjdk-7 completely using apt-get purge and installed oracle jdk(8u45).I have the oracle jdk in path and it is working well .The Problem is that, if I try to install any software(from ...
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0answers
12 views

chromium browser becomes unresponsive when Minecraft is in-game

I can't use Chromium browser (also affects Google Chrome) while playing Minecraft in another window. The browser becomes extremely unresponsive. If I exit the Minecraft game and just run the title ...
1
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1answer
93 views

Error while installing DBeaver On Ubuntu 14.04

I am trying to install Dbeaver 3.5.6 on Ubuntu 14.04, but it shows some Java run-time missing error even though I've Java7 installed on my system. Here's how I tried to install ...
0
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1answer
62 views

openjdk 7 java freeze launch

NOTE: Found a workaround, I just want to know where the problem is. Hello everyone, I am attempting to run a java *.jar file that runs on my debian setup but cannot get to run on a fresh install of ...
0
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1answer
37 views

How to set Java 7 as default?

For android 4.4.4 development, I needed Java 6. But eventually I moved over to Android 5.0 development which needed Java 7. When I tried using sudo apt-get install openjdk-7-jre and sudo apt-get ...
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0answers
131 views

OpenJDK, IcedTea security settings

I am a beginner Linux user. From my knowledge the system uses OpenJDK and IcedTea only when I connect to a SAP IDES server through SAP GUI JAVA adding a string in it to connect to that server. I use ...
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0answers
73 views

CLion ugly fonts

I have a problem with Clion fonts. They look really ugly. I tried different methods to fix that: Urshulyak solution JetBrains forum solution AskUbuntu solution I even installed infinality and ...
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0answers
36 views

Ubuntu Gnome 14.04.3 Webex won't share screen

I've been working all day to get Webex to run with Firefox on Ubuntu 14. It almost works. I can see screens shared by others, but cannot share my screen. I have seen that there are not found .so's ...
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0answers
23 views

Chrome fonts broken after Installing java on Ubuntu 14.04

I've been trying to solve this problem for 2 days and failed. I was trying to solve another problem on Ubuntu 14.04 with anti aliasing not working in WebStrom and ended up breaking everything. Chrome ...
1
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1answer
60 views

How to downgrade Java version 1.6.0_36 to 1.6

I am trying to compile the Android source code version 4.2 in my Ubuntu 14.04. The compilation step is unsuccessful throwing following in terminal. Your version is: java version "1.6.0_36". The ...
0
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1answer
48 views

Can't install Netbeans/JDK 7 on Ubuntu 14.10

I am having trouble trying to install Netbeans/JDK 7 on Ubuntu. When i try to install Netbeans, it asks for JDK 7, but i was unable to install it via apt-get. I've tried this command already: sudo ...
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0answers
37 views

unable to install jdk 7 [duplicate]

I am unable to update package index in Ubuntu. I tried the command sudo apt-get update I am getting following output snippet:
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2answers
204 views

Is the openjdk-r ppa trustworty?

I've seen a ton of blogs saying Java 8 is now available to Ubuntu 12.04 & 14.04 through the ppa openjdk-r. My question is how trustworthy is this ppa? Is it run by people from openjdk or ubuntu or ...
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0answers
15 views

How to remove java 7 & eclipse version appropraite with java 1.6?

I'm new to java, and I tried to uninstall java 7 using this command: sudo apt-get purge oracle-java7-installer Then tested it by: sudo dpkg --list |grep -i jdk And got: bash /usr/bin/java no ...
2
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1answer
2k views

NetBeans not working after update

I have been usigng NetBeans 2 years now and have encountered an issue. After a normal apt-get upgrade NetBeans stopped working altogether. After this I reinstall the JRE and JDK to no avail. However, ...
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0answers
91 views

Can't use icedtea plugin without removing proprietary plugin (firefox)

What I'm trying to do: Switch from using the proprietary java plugin (java 1.8.51) to using the icedtea plugin. Apparently there still doesn't exist an icedtea-8-plugin for ubuntu 15.10 in the ...
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1answer
91 views

OpenJDK Java 8 - When will it be made available in Trusty 14.04.x

It appears that OpenJDK Java 8 has been out for a while now. However, it is not available in the "Ubuntu 14.04.x" (and derivatives) via the repositories. When, if ever, while Java 8 become available. ...
1
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1answer
490 views

Running AndroidStudio on Ubuntu 15.10 crash

Right now I am facing the issue that I cannot develop in AndroidStudio using Ubuntu 15.10, because both openjdk-7 and openjdk-8 cause problems. openjdk-7 issue Running AndroidStudio using env ...
0
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1answer
235 views

Install openjdk1.7 u79 package that was downloaded by terminal

Hi guys I download package jdk1.7.0_79and I wanted install the package using the terminal. I got this user guide and I did it step by step. sudo mkdir -p / usr/local/ java cd/home/ your_user_name ...
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40 views

Permission problem with Java Applets

I have a problem with my Java installation. I can run every Java program, but if I need an Applet, the Browser displays a blank section! :/ If I start Firefox with the terminal, I see following ...
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1answer
543 views

libnpjp2.so - java plugin missing in openjdk-8-jdk:i386

I am using ubuntu 14.10 and i installed jdk8 via apt-get install openjdk-8-jdk:i386. Using update-alternatives, I have made java 8 as the default one. Now, when i checked java on firefox using this ...
0
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1answer
210 views

Netbeans cannot find java

So, I uninstalled Openjdk 7 and installed Oracle Java from webupd8. But after the installation Netbeans won't start. I have tried all the methods posted online about editing the netbeans.conf file and ...
0
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1answer
89 views

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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0answers
13 views

JVM 32-bit compatibility [duplicate]

I need to be able to run JVM in 64-bit and 32-bit mode. I'm using openjdk-8-jre but when I try java -d32 I get the message: Error: This Java instance does not support a 32-bit JVM. Please install the ...
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0answers
161 views

OpenJDK 1.7 does not install on Ubuntu 14.04 LTS

The OpenJDK 1.7 JDK cannot be installed on Ubuntu 14.04 LTS. The machine is running on AWS sudo apt-get update sudo apt-get install openjdk-7-jdk results in: the following packages have unmet ...
0
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1answer
114 views

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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0answers
45 views

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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votes
4answers
1k views

unable to install jdk and jre in ubuntu 14.04

I want to install jdk and jre in my ubuntu 14.04 and I got these following errors: anil@anil:~$ sudo apt-get install default-jre [sudo] password for anil: Reading package lists... Done Building ...
0
votes
1answer
158 views

Kubuntu 14.04 - Can Oracle JDK 8 (for later use with NetBeans 8) be installed along with currently installed OpenJDK6 & 7?

I'm not facing an actual issue yet, rather trying to avoid any... Currently, these packages are installed on my PC (automatically installed during a fresh install of Kubuntu 14.04): $ apt list ...
1
vote
2answers
89 views

How to tell if a certain package exists in the apt repos? [duplicate]

I am specifically interested in determining whether a 32-bit version of OpenJDK 8 exists in the apt/Ubuntu repos. According to this answer, you can install the 32-bit version of the Open JDK 7 ...
1
vote
1answer
1k views

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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2answers
472 views

How to find Java log file

I have installed open jdk 7 in ubuntu & I have enable java logg option in java console. But I cant find the java log file as I tried my best.I have no idea what is the actual name of this log file ...
0
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1answer
265 views

how to activate Java 8u51 plugin on Firefox?

Can you please advise. I tried to install Java 8u51 plugin. But I'm not able to activate it. Please see below what I get in terminal: $ java -version bash: /usr/bin/java: cannot execute ...
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1answer
45 views

Cant find Java console in Ubuntu12 [closed]

I am trying to find java console as I critically required java logs for a particular website. But I am unable to find this in ubuntu 12 version.I tried to find this in ...
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0answers
73 views

Is there any problem with OpenJDK on Minecraft?

Mojang recommends using Oracle's JRE, but I see people using OpenJDK all the time. What are the advantages and disadvantages to using one or the other on Ubuntu, either in general or specifically as ...
0
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1answer
354 views

openjdk-7-jre installed, but no binaries

I executed sudo apt-get update sudo apt-get install openjdk-7-jre and the package seems to have installed cleanly, but /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/ was empty except for the program ...
1
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1answer
237 views

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 ...