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

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3
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2answers
346 views

how to enable in chrome icedtea7 java plugin instead of icedtea6?

My chrome browser in ubuntu 12.04 uses iced6 plugin. Test http://java.com/en/download/testjava.jsp shows java6, but via update-alternatives I switched java/javac to using openjdk-java7
1
vote
2answers
138 views

Ubuntu Failes to Recognize Java

I've been having an issue with Java since I installed Ubuntu and it has been the main reason I have stopped playing certain Java-based games such as Minecraft. You see, although I've downloaded ...
1
vote
2answers
93 views

Do I need any additional Java packages if I'm running the Oracle JRE?

I am running the Java 7 JRE from Oracle. I installed it through terminal and it works properly with my web browsers, and otherwise, as far as I can tell. However, I was browsing through my ...
0
votes
2answers
9k views

How to setup Java-Home and Path in Ubuntu 12.04

we are new to Ubuntu.Recently we changed my server OS to ubuntu 12.04 from windows 7 . every one have their own login details. one of my college installed Open-Jdk7. I asked him, where you installed ...
5
votes
1answer
257 views

How do I disable Apport from including a core dump?

Intro: apport is a python applicaton running on ubuntu which automates bug reporting. In case of a crash it determines which application crashed, and auto generates a detailed report on the crash, ...
2
votes
1answer
2k views

Installing openjdk-6-jre:i386 on Ubuntu 12.04 64 bit: broken dependencies

I wa strying to install openjdk-7-jre:i386 in order to access to the university's VPN. I've a machine with Ubuntu 12.04 LTS (precise) 64 bit. However, when I try to install openjdk-6-jre:i386, sudo ...
1
vote
1answer
37 views

Are there any reliable sources with more frequent jdk icedtea package releases?

I use the canonical repository for retrieving updates from the jdk icedtea, but it seems that it is lagging a lot behind what is supposed to be the latest stable version as per the icedtea website ...
1
vote
1answer
202 views

Run .JAR as application

I've noticed that when running a .JAR file the unity launcher can be quite annoying. If the JAR file is run in a terminal then the launcher icon is the one set in the application, as expected. ...
1
vote
1answer
1k views

How to find java path and make a shortcut with jar files?

I'm very new to Ubuntu, installed 12.04 for the first time a few days ago. So I basiclly got a game (feedthebeast, mod for minecraft). Now the jar file which I downloaded works just fine, but I find ...
0
votes
1answer
21 views

Minecraft Locks Up. I tried everything!

I just can't get Minecraft to work no matter what I try. I tried to delete the game files and redownload, nothing changed. I tried to switch to different versions of oracle java and openjdk, nothing. ...
0
votes
1answer
31 views

How to install Eclipse for Oracle Java on Ubuntu 12.04

I have Oracle Java 7 on my system and want to install Eclipse and make it use Java 7 instead of openjdk. I installed Eclipse earlier using synaptic but after doing check updates it didn't work ...
0
votes
1answer
170 views

Ubuntu 13.10: Upgrade interrupted because of openjdk-7

I was running an apt-get upgrade (not version upgrade, just normal), when I got this message: You might want to run 'apt-get -f install' to correct these. The following packages have unmet ...
0
votes
1answer
75 views

Problems running java websites

I'm having problems with openjdk7 and icedtea7. In one computer, which works with ubuntu 13.10, I have installed openjdk7 and icedtea7. In the other computer, which works with ubuntu 12.04 and is an ...
0
votes
1answer
18 views

ALEKS plug-in on 12.04

I'm running 12.04 and have successfully installed the latest version of JDK. I've followed the instructions on this page to install the plug-in for ALEKS, and that worked. But when I log in to ALEKS ...
0
votes
1answer
64 views

Java -jar using Oracle lib

I have installed java-7-openjdk and it works well, but I need to use JavaFX in a project so I download "Java SE" (all packages) form Oracle and I store them inside/usr/lib/jvm/jdk1.7.0_45. Now I want ...
0
votes
1answer
265 views

OpenJDK Java 7 missing from “Open With” under file Properties

Ok. I have read through probably two-dozen posts and articles, and still can't seem to find an answer. I have installed OpenJDK-7 and am trying to set it as the default to open .jar files ...
0
votes
1answer
237 views

Ubuntu 12.04 problem installing thinkorswim

I have follow the instructions listed in the forum as well as the thinkorswim website. I can get all the way to the launch point for showing the desktop and it won't show I just get a black screen and ...
0
votes
1answer
61 views

Frostwire does not start

I downloaded Frostwire from this page. After downloading, it appeared in the Software Center and supposedly installed it. The problem is simple: Frostwire does not open, the icon blinks but nothing ...
0
votes
1answer
96 views

Frostwire not opening

I have just donwloaded the application FrostWire. I was trying to open it, but it just won't open. The icon does it's flashing, and then it goes back to the normal background, no windows from that app ...
0
votes
1answer
158 views

Minecraft turn off PC on 11.04

I had install Ubuntu 11.04 on two PC. On one everything work perfect, but another after some time turn off computer. I tried a lot of ideas(reinstall, openJDK 7(give just black screen), but all still ...
0
votes
1answer
2k views

How can I update to jdk and jre 7?

I've been using jdk6 on ubuntu 12.04. I was trying to update my jdk to 7. I installed jdk7 and also removed jdk6. Now my javac version is 1.7.0_03. but my java version is still 1.6.0_24. So I got ...
0
votes
1answer
174 views

how do i get imagej to work with oneric 11.10 64-bit with openjdk-7?

I'm not sure why I can't get imageJ (http://imagej.nih.gov/ij/index.html) to start on my computer running oneiric 64-bit. sudo apt-get install imagej Installation is fine, but it won't start (not ...
-1
votes
1answer
306 views

error make: *** No targets specified and no makefile found. Stop after make openjdk-7-7u51-2.4.4.orig

7-7u51-2.4.4.orig and type make in terminal show error in ubuntu 12.04 lts make: * No targets specified and no makefile found. Stop. pls help me tanx
-1
votes
1answer
918 views

Unable to install openjdk

I have two questions: I want to install JDK so I wrote to terminal: sudo apt-get install openjdk-7-jdk but this message shown ,while my computer was connected internet: Reading package lists... ...
2
votes
0answers
60 views

How Can I Change Jamvm on my embedded system to Openjdk?

I have one Embedded System Currently working On jamvm. I Want to change it to openjdk. How Can I do that???
1
vote
0answers
20 views

Java apps consume 200% my CPU after cloning image in another computer

Yesterday I cloned an image of Linux from a Core 2 Duo to a Core i5 laptop. Everything works as expected except for JVM. I've installed in my machine the OpenJDK, Java 8 (jdk jre) and Java 7 (jdk ...
1
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0answers
23 views

Installing oracle jdk without remove openjdk

I would install Oracle jdk without remove openjdk, could that bring any problem to my Ubuntu 12.04 configuration? thanks
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0answers
100 views

Removed JDK6, installed JDK7. JAVA_HOME broke and javac not installed

I am finding that the javac is not in the java-7-openjdk-i386 package. Problem 1: $ javac The program 'javac' can be found in the following packages: * default-jdk * ecj * ...
1
vote
0answers
68 views

Symbolic link error to Java / LIBJVM

All, When trying to install postgresql, I get the following error: /sbin/ldconfig.real: usr/lib/jvm/java-1.7.0-openjdk-amd64/jre/lib/amd64/jamvm/libjvm.so is not a symbolic link I think this is ...
1
vote
0answers
90 views

screencast-o-matic keyboard shortcuts - I can't get them to work

I switched to ubuntu a few months ago and I have not yet been able to understand why Screencast-o-Matic keyboard shortcuts don't work. Apparently they should work on ubuntu in the same way as on ...
1
vote
0answers
102 views

jdk installation error

sudo apt-get install oracle-java6-installer [sudo] password for taha: Reading package lists... Done Building dependency tree Reading state information... Done Suggested packages: ...
1
vote
0answers
71 views

While installing jdk

I'm trying to install java using the WebUpd PPA. After adding their PPA and updating, I try: sudo apt-get install oracle-java7-installer and it gives me an error Oracle JDK 7 is NOT installed. ...
1
vote
0answers
2k views

not able to install javaws

I need to use java web start to run TopCoders ContestAppletProd.jnlp. When I try to run the the arena I get Java not found error. Upon selecting the option "using Java Web Start" the jnlp file ...
1
vote
0answers
180 views

Java installed, command not working

I have installed java but I could not get any java command to work! Below shows what I get when I try to run java commands: sultan@ubuntu:~$ java The program 'java' can be found in the following ...
1
vote
0answers
122 views

Blank Firefox/Chrome/Minecraft when using OpenJDK Runtime Environment 6

I am using Ubuntu 11.04 Natty Narwhal and every time I go on OpenJDK Runtime Environment 6 (playing Minecraft) and open Firefox/Chrome it always comes up with a blank page. But if I open ...
0
votes
0answers
16 views

Juniper network connect on Ubuntu 14.04 cannot find 32 bit Java

I have Ubuntu x64 and trying to install Juniper network connect. Installed 64bit jre/jdk, icedtea and 32bit jre sudo apt-get install openjdk-7-jre icedtea-7-plugin sudo apt-get install ...
0
votes
0answers
84 views

I just try to install Netbeans but there is more problem with JDK

Hi, im new at ubuntu and i want to use netbeans. I downloaded netbeans from its web site then I wrote this commands to the line hakki@hakki-K55VM:~/Downloads$ chmod +x netbeans-7.4-linux.sh ...
0
votes
0answers
179 views

Ubuntu 13.10 is freezing while using openjdk-7 and Oracle Java 1.7.0_51

I have had some problems with Ubuntu 13.10 while using OpenJDK 7 to play Minexraft 1.7.4. (Please don't tell me that I need to use Oracle Java, I already know I should be doing that.) My computer is ...
0
votes
0answers
28 views

Select a JVM (Java Virtual Machine) on a per program basis

I recently had to select openjdk7 as the default Java implementation on my Ubuntu 12.04. I had to do this because some Eclipse plugins required Java 7 in order to work correctly. I would like to know ...
0
votes
0answers
756 views

Setup JDK for android studio

I was setting up android studio and got this So I followed the answer here and used sudo update-alternatives --set java /usr/local/java/jdk1.7.0_17/jre/bin/java sudo update-alternatives --set ...
0
votes
0answers
57 views

Problem with Java-VTK while running a Java-based program

While trying to open some files in a java/VTK visualization program (called lbview), i faced with this error: dist: [jar] Building jar: /home/alireza/lbview/target/lbview.jar run: [java] # ...
0
votes
0answers
94 views

I want to run .jre apps on my ubuntu 12.04

I have installed JRE and also JDK.I want to run some appliction in .jre format.(I think they are java apps). But I do not know how to run those in my Ubuntu 12.04 .Please someone may help me...
0
votes
0answers
563 views

cannot open eclipse indigo in Ubuntu 12.04 with openjdk-7-jdk installed

I have the openjdk-7-jdk installed, the java -version java version "1.6.0_27" OpenJDK Runtime Environment (IcedTea6 1.12.6) (6b27-1.12.6-1ubuntu0.12.04.2) OpenJDK 64-Bit Server VM (build 20.0-b12, ...
0
votes
0answers
159 views

How do I install Openjdk-6-jre-headless in synaptics package manager

I have tried to install it by simply clicking the box and then clicking install(which usually works) but it says openjdk-6-jre-headless: Depends: ca-certificates-java but it is not installable ...
0
votes
0answers
171 views

Can not install 4shared desktop

I have been going to install 4shared desktop. When I opened 4shared desktop .deb file by Software Ubuntu Center, it required openjdk-6-jre, but it can not install openjdk-6-jre. When i marked ...
0
votes
0answers
764 views

Ubuntu 13.04 - Unable to manage groups gnome-system-tools does not install from Software Center

Here is error message when attempting to install gnome-system-tools The following packages have unmet dependencies: gnome-system-tools:i386: openjdk-7-jre: Depends: openjdk-7-jre-headless (= ...
0
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0answers
37 views

openjdk-7-jre's recommended packages

When installing this package, apt-get wants to pull in lots of old Gnome packages (at least libgnome2-0, libgnome2-bin, libgnome2-common, libgnomevfs2-0, libgnomevfs2-common, libidl-common, libidl0 ...
0
votes
0answers
533 views

I can't switch from OpenJDK's Java 7 to Oracle's via update-alternatives

x5ives@aperture:~$ sudo update-alternatives --config java [sudo] password for x5ives: There is only one alternative in link group java (providing /usr/bin/java): /usr/lib ...
0
votes
0answers
131 views

Why isn't Java working well in Google Chrome, Chromium and Firefox but working A OK in Opera?

Whenever I try to load up the runescape java interface in google chrome, chromium and firefox I find myself at the following screen: Which remains the same indefinitely. I am using OpenJDK Java 6 ...
0
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0answers
1k views

apt-get install openjdk-6-jdk install error / loop

apt-get install openjdk-6-jdk does not complete. It gets stuck at downloading. Get:6 http://in.archive.ubuntu.com/ubuntu/ lucid-updates/main openjdk-6-jre-headless 6b24-1.11.5-0ubuntu1~10.04.2 ...