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

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SmartReader ACR38U doesn't work with Icedtea-7-plugin in Firefox

I can't to use my CardReader ACR38U with Icedtea-7-plugin in Firefox. :( CardReader in pcsc_scan work good, without problem. How I can fix this? Ubuntu 14.04 Firefox 29. java version "1.7.0_55" ...
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0answers
2k views

Icedtea-7-plugin don't work in Chromium, doesn't show in about:plugins

I'm newbie user of Ubuntu 14.04. I have trouble with: Icedtea-7-plugin don't work in Chromium. It doesn't shows in about:plugins. How I can I fix it? I did: sudo apt-get install icedtea-7-plugin ...
0
votes
1answer
229 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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0answers
563 views

Android ROM building. Issue with JDK

The other day I was trying to build Android ROM using the AOSP code. I had setup the environment according to the steps mentioned in their guide but I keep getting this error during the same ...
0
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3answers
226 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 ...
0
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3answers
544 views

Installing OpenJDK on (chr)Lubuntu 14.04 on Acer C710

Completely new to Linux, bear with me. I've just this morning succeeded in getting Lubuntu on my Acer C710, thanks to the wonderful script over here. I'm trying to see how Minecraft will run, which ...
0
votes
1answer
310 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 ...
1
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1answer
421 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 ...
3
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1answer
12k 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 ...
22
votes
3answers
35k views

How to install OpenJDK 8 on 14.04?

IMPORTANT: If you need this in 14.04, vote for this bug: https://bugs.launchpad.net/ubuntu/+source/openjdk-8/+bug/1341628 Java 8 is now available according to ...
1
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2answers
188 views

How to install openjdk on a machine without internet connection? Ubuntu 12.04

First excuse me as I am a newbie... I'm using Ubuntu 12.04 without an internet connection. I have the ISO file of the installation already mounted. Correct me if I'm wrong, but the java setup files ...
3
votes
1answer
2k views

Error running Java web application with OpenJDK Java7 runtime in Ubuntu 14.04

I have fresh Ubuntu 14.04 install on my HP Pavilion g6 laptop. I have installed OpenJDK and IcedTea plugin in order to run Java applications as explained here. But when I am going to chess.com ...
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0answers
21 views

How can I install LibreOffice from the package manager to be used with (Oracle) Java installed manually [duplicate]

LibreOffice depends on OpenJDK (or some other JRE). I already have Oracle's Java 7 installed, and I'd like LibreOffice to use this JRE instead. If I attempt to remove OpenJDK, apt automatically falls ...
2
votes
3answers
2k views

Aptana Studio 3 doesn't work after upgrade from Ubuntu 12.04 to 14.04?

When I upgraded from Ubuntu 12.04 to 14.04 Aptana Studio 3 doesn't work any more. When I try to open it after a few minutes it just closes, but when I open it in the terminal I got this error massage. ...
0
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1answer
1k views

Eclipse can't find Java after upgrade to 14.04

After upgrade to Ubuntu 14.04 Eclipse 3.8 can't find any installed Java VM. I have the Sun JDK 1.7 and the openJDK7 installed. I have tried modifying the eclipse.ini to point it to one of the ...
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2answers
5k 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
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1answer
406 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 ...
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0answers
121 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
vote
1answer
297 views

How to remove openjdk 6 from ubuntu 13.04? [closed]

When I do sudo apt-cache search openjdk I got: default-jdk - Standard Java or Java compatible Development Kit default-jdk-doc - Standard Java or Java compatible Development Kit (documentation) ...
0
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0answers
10 views

java vulnerabilities [duplicate]

I have an very simple question, when a vulnerability is discovered in java (which happens regularly), is it also affects openjdk ? This is a question I ask myself without managing to find the answer ...
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0answers
21 views

Installing Android Studio in Ubuntu 12.04 [duplicate]

I am trying to install Android Studio in Ubuntu 12.04 following the directions from here: http://developer.android.com/sdk/installing/studio.html#Updating. When I run studio.sh from ...
8
votes
1answer
8k views

OpenJDK - Oracle is better? [closed]

From http://www.wikihow.com/Install-Oracle-Java-on-Ubuntu-Linux Type/Copy/Paste: java -version . If you're having OpenJDK Runtime Environment (IcedTea6 1.10pre) (7b15~pre1-0lucid1) OpenJDK 64-Bit ...
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vote
2answers
81 views

Installing OpenJDK 7 didnt install javac

I am very new to using the linux operating system and I'm currently using Ubuntu 13.10 coming off using windows for my whole life. I have been trying to get java development kit installed so I could ...
6
votes
3answers
5k views

Replace openjdk with oracle-jdk on Ubuntu

I have an ubuntu system and I want to replace my openjdk with oracle-jdk. However if I remove my open-jdk and then install oracle-jdk, when I try to install some packages they want to install ...
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3answers
2k views

how to install openjdk

When I try sudo apt-get install openjdk-7-jdk I got a message telling me that the package could not be found in database. I guess I'm missing repositories. here's the content of sources.list ...
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0answers
256 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 ...
1
vote
1answer
4k views

OpenJDK 7 Installation trouble on 10.04 [closed]

I added the following common personal package archive as follows: sudo add-apt-repository ppa:openjdk/ppa sudo apt-get update The update goes well, but when I try to install the openjdk-7-jdk it ...
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0answers
34 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
1
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0answers
311 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
1answer
67 views

Switching to Java 7

I have both java-6-openjdk and java-7-openjdk installed on my machine. When I check the version, I get java version "1.6.0_27". I want to run java 7 but don't really know what all I have to change to ...
0
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1answer
894 views

Cannot run maven2 on Linux Ubuntu 12.04

I am trying to compile a program using maven in my Linux 12.04. In order to do, I use the mvn clean install command. However I get a build error: [ERROR] Unable to locate the Javac Compiler in: ...
0
votes
1answer
423 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 ...
-1
votes
1answer
930 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
0
votes
1answer
127 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 ...
2
votes
1answer
51 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 ...
0
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0answers
13 views

ubuntu 11.3 is giving Unable to locate package openjdk-7-jdk exception [duplicate]

i am using ubuntu 11.3 and i have installed it is E drive in my pc.so now i want to install java 7 for this os ,i am using this command but it gives an exception to me... sudo apt-get install ...
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0answers
35 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 ...
1
vote
1answer
203 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 * ...
0
votes
2answers
117 views

Is there a way to keep Oracle's JRE/JDK as the default JRE/JDK?

Okay here is my issue. Every time I install a .deb installer of a program that requires java. OpenJDK hijacks my system and sets it as default Java. I don't want to use OpenJDK, if I did I wouldn't be ...
0
votes
0answers
284 views

Can't Install Open JDK? [duplicate]

I'm trying to Install Minecraft On Ubuntu 12.04 lts. When I try to install Open JDK it gives me this message: The following packages have unmet dependencies: openjdk-6-jre: Depends: ...
0
votes
2answers
3k 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
1answer
19 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
94 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 ...
7
votes
2answers
4k views

What is the difference between default-jdk, ecj, gcj and openjdk?

This morning, I tried to install something and came across a statement like this: The program 'javac' can be found in the following packages: * default-jdk * ecj * gcj-4.6-jdk * gcj-4.7-jdk * ...
0
votes
1answer
117 views

How do I install a newer version of Oracle JDK?

Using the guide here: http://www.wikihow.com/Install-Oracle-Java-on-Ubuntu-Linux I have installed Oracle's JDK because it has a few features that are not present in OpenJDK. Now, there some new ...
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2answers
3k views

Unable to run Java, IcedTea on Ubuntu 12.04 LTS in Chrome or Firefox

I have updated to 12.04 LTS from 10.04 LTS because I could not get java to test as working on http://www.java.com/en/download/installed.jsp ... I still can't get java working. I have installed ...
0
votes
1answer
261 views

NetBeans Hangs on New Project Creation

When creating a New Project in NetBeans, it hangs on the creation screen; I'm running Netbeans 7.0.1 on Xubuntu 13.04. Java -version prints: java version "1.7.0_25" OpenJDK Runtime Environment ...
1
vote
0answers
106 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 ...
0
votes
1answer
955 views

can't install java [duplicate]

$ sudo apt-get install openjdk-7-jre [sudo] password for paul: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. ...
-1
votes
1answer
3k views

Java installed but JAVAC not found [closed]

I have installed java longtime back, which java /usr/bin/java java -version java version "1.7.0_09-icedtea" OpenJDK Runtime Environment (rhel-2.3.8.0.el6_4-x86_64) OpenJDK 64-Bit Server VM (build ...