The Java Runtime Environment.

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252
votes
0answers
337k views

How do I install Oracle Java JDK 7? [duplicate]

If I downloaded the latest JDK from Oracle, do I just download the .tar file and extract it to /usr/lib/jvm/?
251
votes
23answers
377k views

How can I install Sun/Oracle's proprietary Java JDK 6/7/8 or JRE?

I want to install Oracle's JRE and to update to the latest version with the Software Updater when they released. Is there a Ubuntu package that is provided by Canonical or Oracle? Before release Java ...
11
votes
2answers
12k views

Changing JVM in Java

I only recently discovered the different JVM's on the wiki page and thought I'd start tinkering. Its been difficult to find documentation on how to configure Java on Ubuntu though. Lets say I wanted ...
10
votes
6answers
22k views

How do I make java default to a manually installed JRE/JDK?

I have Ubuntu 12.04 amd64 installed on my machine, on the previous versions of Ubuntu it was deadly easy, now there is this command update-java-alternatives with a really bad man page. I just have my ...
9
votes
8answers
26k views

Java JRE will not install due to “tar: Error is not recoverable” error

I have been trying to get Java for the past day now. I followed several tutorials but I keep getting the same error. After I put in tar -xvf jre-7u4-linux-i586.tar.gz it says Cannot open: No such file ...
6
votes
1answer
18k views

“Please ensure you have JAVA_HOME points to JDK rather than JRE” message

I have java installed aaa@ubuntu:~$ whereis java java: /usr/bin/java /usr/bin/X11/java /usr/local/java /usr/share/java aaa@ubuntu:~$ whereis javac javac: /usr/bin/javac /usr/bin/X11/javac and ...
3
votes
2answers
10k views

Cannot get Java to work in Firefox

In Firefox 17 on Ubuntu 12.04, I cannot get the Java verification applet to work (needless to say I cannot get any Java applications on the browser working). I already tried uninstalling and ...
3
votes
2answers
1k views

How do I install a 32-bit Java runtime on an amd64 server with multiarch?

I'm a long time Ubuntu user, but I haven't been following the community for the last several versions. I just did fresh default minimal amd64 install of Oneiric and I need a 32-bit JRE for a ...
2
votes
4answers
2k views

Chrome reports Java plugin outdated

I've just installed the latest version of JRE (7u5) and Chrome still reports that it's outdated. When I go to chrome://plugins/, it shows the following line for Java: Java - Version: 1.7.0_05 ...
2
votes
2answers
720 views

SmartGit crash in ubuntu 13.10

When I try select repository application crash. It's perhaps bug https://bugs.launchpad.net/ubuntu/+source/java-common/+bug/1241101
2
votes
1answer
170 views

Is it safe have more than one version of java?

This question popped up when I tried to download a game for dolphin emu. The site isohunt recommended I use vuze and vuze requires jre. Silly me, as a windows noob, I immediately thought I d have to ...
2
votes
1answer
3k views

Package sun-java6-jre needs to be reinstalled

I installed JRE 1.6u33, and there was a screen that came up asking me to accept the terms of service. I didn't know how, so I closed out of that screen without pressing Ok. Now, I can't install ...
2
votes
1answer
240 views

How to run 32bit eclipse (ODeV) on 64 Bit Ubuntu 13.04

How to run 32bit eclipse (ODeV) on 64 Bit Ubuntu 13.04? Problem is 64 bit version of ODeV preconfigured eclipse does not exists.... so I have to use 32bit one which doesn’t start on U64 bit. ...
2
votes
1answer
166 views

Why doesn't java -version return anything with Oracle's JRE 7?

I've been following these steps and got up to the check version of new JRE installation part but java -version doesn't return anything. I have run sudo update-alternatives --install /usr/bin/java ...
1
vote
3answers
2k views

Problem in Launching TopCoder Arena?

Hello all i am trying to access topcoder arena but facing many problem.I wan following the http://community.topcoder.com/tc?module=Static&d1=help&d2=getStarted procedure given in the link. I ...
1
vote
1answer
32 views

Turkey.gov.tr libpkcs11wrapper.so Ubuntu Generic thing

While trying to access https://www.turkiye.gov.tr/ using smart identity cards, browser Java Application whether if you have libpkcs11wrapper.so file on your library. General thing is when you search ...
1
vote
1answer
552 views

Adding a library to Java CLASSPATH

I am not sure if my question is more related about Ubuntu or Java, so pardon me! I am trying to compile a java program but I get the following error: package javax.comm does not exist I have ...
1
vote
2answers
2k views

How to install JRE-7 on Xubuntu?

I have followed the other question and did not succeed. mv: cannot move './jre1.7.0_04' to '/usr/lib/jvm/jre1.7.0': No such file or directory Is it installed into the 32bit compatible /lib directory ...
1
vote
1answer
2k views

Installing Oracle Java JRE 7, Terminal Command Not Recognizing Moved File

I'm having a small problem. I've been trying to work Minecraft into working using Wine. Over the past few hours, I've been working with Java over and over (long story, I'll keep it relevant) and have ...
1
vote
3answers
353 views

Flash Player Issue In Chromium In Ubuntu 14.04

I needed to download youtube videos and it asked to download plugin from Java website. Adobe Flash Player is required to display some elements on this page. Install plug-in. I downloaded this. ...
1
vote
1answer
495 views

if I install JDK do I also need to install JRE

if I install JDK 1.7 do I also need to install JRE 1.7 to support Tomcat? I have installed the openJDK package and that seems to include JRE. java -version shows that java 1.7 has been installed
1
vote
0answers
22 views

Installing Novell Designer [duplicate]

i try to install Novell Designer 4.0.1 on Ubuntu. But i get the error message: Preparing to install... Extracting the JRE from the installer archive... Unpacking the JRE... Extracting the ...
1
vote
1answer
47 views

JREs from different vendors on the same system

In various tutorials, it is said, that you should remove existing JRE/JDK before installing new one (e.g. remove OpenJDK before installing the one from Oracle). Is it really necessary? I remember ...
1
vote
0answers
843 views

Unable to install MATLAB 2012b in Ubuntu 11.10(x64)

I have downloaded MATLAB 2012b from the mathworks website. When I use ./install in the terminal it gives me the following error: Error: Cannot locate Java Runtime Environment. The directory ...
1
vote
0answers
351 views

ELECTRIC VLSI 9.03 : java3d view problem

I have installed Electric VLSI 8.10 software from the Ubuntu Software Center and it works perfect. It shows 3D view of IC layouts. Now I want to use its updated version Electric 9.03. It's available ...
1
vote
0answers
33 views

Running java applets in the browser [duplicate]

Possible Duplicate: How do I install Java? With my 12.04, if I point my browser (either firefox or chrome) to http://www.java.com/en/download/testjava.jsp it will say that java is not ...
0
votes
3answers
75 views

Packaging jre 7 binary file license questions?

Notice jre and jdk 7 have new license agreement. Am I able to include binary jre without additional license?
0
votes
1answer
154 views

Installation of a second Java SDK

I have Java sdk 1.7 installed correctly. It turns out I need the version of 1.6 also (an application needs it). How do I install the version of 1.6 and how do I make sure that we'll both work ...
0
votes
1answer
541 views

I need the Best/Most Secure Supported JRE for LibreOffice

I want to utilize the Java supported functions of LibreOffice (database/Macros), but I know Java is known to be insecure (notably the latest, cross-platform, zero-day exploit). What is the best ...
0
votes
2answers
2k views

Installing Spark on ubuntu

I am installing Spark IM Client for Ubuntu. The tar.gz doesn't appear to be functional at ALL, (considering the /bin directory is completely empty and lacks important things like unpack200) but I ...
0
votes
1answer
2k views

Removing openjdk-6-jre without the installation of sun-java6-jre

I have alrady installed (manually, from the .bin file) the latest jre (Version 6 Update 30) from oracle and now i want to remove the openjdk-6-jre. However, apt forces me to install old (Version 6 ...
0
votes
2answers
275 views

Eclipse Execute from Home - Eclipse.org Version

Due to a lot of minor errors with the eclipse from the repository( cannot install mylyn or pydev due to unmet dependencies) I manually downloaded from eclipse.org. I have not had this problem before ...
0
votes
1answer
701 views

Remove openjdk-7-jre but apt-get requires to install openjdk-6-jre, etc

I installed openjdk-7-jre and icedtea-7-plugin to use webex in FireFox in Ubuntu 12.04 yesterday. Now I don't have to use JRE so I remove it. But the apt-get says that it will install openjdk-6-jre ...
0
votes
1answer
628 views

Downloading Java JRE

Today, I have been trying to install Java JRE. I have meet some problems. I downloaded the file from Java's website. The file name is jre-7u25-linux-i586.tar.gz. I then extracted the file and have it ...
0
votes
1answer
1k views

JDK/JRE explanation of comands for install

Maybe this is a simple question. I don't find the explanation of the commands for install Java JDK and JRE I downloaded the jdk-7u5-linux-x64.tar.gz and jre-7u5-linux-x64.tar.gz, I extracted these ...
0
votes
1answer
1k views

Web start (jnlp) problem with Oracle 7 Java

I have just met a annoying problem with my java. I tried to install jre and jdk on my Ubuntu 12.04 but something must have go wrong. I can run java -version to see java version and javac -version to ...
0
votes
1answer
120 views

Problem while updating :(

I am using Ubuntu 12.04 LTS. And I recently installed Open JDK from the Software Center and also the Iced Tea Plugin. From that time, whenever I install any updates or packages, this error pops up. ...
0
votes
2answers
4k views

How do I remove SUN Java and use OpenJDK instead?

As a programmer I use java for learning to code in Netbeans. I installed Sun java 6 long time ago over openJDK that came with my ubuntu just cause it seemed more responsive... Now that oracle left ...
0
votes
1answer
122 views

How to install JRE 7u60 on Ubuntu 14.04 using the tar.gz file? [duplicate]

How do I install JRE without PPAs or anything but the tar.gz file I downloaded from: http://www.java.com/en/download/manual.jsp?locale=en
0
votes
2answers
100 views

Problem in executing a jar file in ubuntu 14.04LTS

I have latest ubuntu 14.04 LTS + java 1.7.0_55 + IcedTea 2.4.7 installed However when i try to execute a jar file i get the notification: "This application requires a newer version of the Java ...
0
votes
0answers
534 views

A fatal error has been detected by the Java Runtime Environment

I wanted to install WindRiver Workbench for VxWorks development on my Linux host. I got the correct license file and everything but my JRE seems to crash, I get the error: Launching installer... # ...
0
votes
0answers
89 views

JRE for Ubuntu 12.10 other than Openjdk and Oracle JRE

I am trying to get JOdin, a java implementation of Odin suite for samsung phones to work in Ubuntu 12.10. On the first run of JOdin, I got a message stating that I need a newer version of java ...
0
votes
0answers
40 views

Auto signed applet doesn't run

I'm under Ubuntu and I have already installed icedtea. The applet I'm trying to execute is auto signed. I know that there is a security config under icedtea to prevent such applet to be run. I'm ...
0
votes
1answer
78 views

Need help installing java jre

I need help installing java NOT THE DEVELOPER VERSION I can only find about the jdk here. Help? Is there easy installers anywhere?
0
votes
2answers
1k views

Installing Matlab on ubuntu 12.04 32 bits

I have been trying to install Matlab2012a, matlab2012b and Matlab2013a for like 4 hours, triedto fix my prospective errors regarding the posts 2012a, Ubuntu-Matlab Documentation and Matlab-central. ...
0
votes
2answers
87 views

Do I need JDK & JRE in Ubuntu?

In Windows 7 I had to install jdk & jre to program with eclipse. In the software center I can only find OpenJDK Java 7 Runtime. Do I need both to program in eclipse?
0
votes
0answers
114 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
317 views

Run Java applet without granting full permissions

I have the following JRE installed: user@host:/$ java -version java version "1.7.0_25" OpenJDK Runtime Environment (IcedTea 2.3.10) (7u25-2.3.10-1ubuntu0.12.04.2) OpenJDK Server VM (build 23.7-b01, ...
0
votes
1answer
383 views

install JRE 1.6 on 1.5 JDK

I have Oracle JDK and JRE 1.5 installed ubuntu LTS. I want to keep JDK 1.5 and install Oracle JRE as 1.6. please let me know the steps or any clear source where I can get this done
0
votes
0answers
217 views

Eclipse 4.3.0 Indigo starts on Ubuntu 12.04 with jdk-7u25 installed with error

recently I have installed jdk-7u25-linux-i586 on my Ubuntu 12.04 and set it as default jre. after that I have installed last eclipse using apt-get install, and added cdt for it. (during installation ...