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

learn more… | top users | synonyms

0
votes
0answers
18 views

Java applets won't run even after instaling oracle jdk

I am new to ubuntu. I am using it since last month. I tried to install oracle-jdk (which includes jre) so that I can run java applets. I strictly followed the "Manual Install" process written on the ...
0
votes
0answers
28 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
votes
1answer
26 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 ...
-1
votes
0answers
19 views

Unable to run Java in Ubuntu 14.04 using alien with .rpm file [duplicate]

I have installed jre1.8 and jdk1.8, using alien with .rpm extensions. Both are in /usr/java. But when i use java -version or javac -version command. it displays The program 'javac' can be found in ...
1
vote
0answers
22 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 ...
1
vote
4answers
99 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
36 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
26 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
195 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 ...
0
votes
2answers
43 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
votes
1answer
141 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 ...
0
votes
1answer
36 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 ...
1
vote
0answers
28 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
votes
1answer
65 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
vote
1answer
105 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 ...
0
votes
1answer
106 views

Best practices for installing Java on secure server running Ubuntu 14.04 LTS [closed]

I see there are a number of ways to install Java on Ubuntu... what I want to know is about which way is best for a server that is secure and running a Java web application. The three ways I know of ...
1
vote
1answer
72 views

Minecraft in 15.04 Connection issues

So I don't know any better way to explain what the problem is other than showing you this. I am using 15.04. Ask me if you need any more information. EDIT: solved, apparently java was just messing ...
1
vote
0answers
7 views

Java not working on Ubuntu 15.04 [duplicate]

When i double click on a .jar file, it opens the archive manager. I have made it executable. I have tried getting Java 6,7 and 8 from the Software center. If i right click on the file and choose to ...
0
votes
1answer
224 views

Can not install java jdk 8

I've installed ubunut 15.04 recently and I've tried to install java JDK 8 but I can not, and I don't know why. I have fallow all that commands: sudo apt-get install python-software-properties sudo ...
0
votes
0answers
42 views

idea-ic IDE fails with “No Java JDK found” error, however my OS has Java installed and exported

I am facing an issue with Idea Intellij. I have Java installed and exported on my machine and it works fine for Pycharms. However, when I try to start Idea Intellij, it gives me Java not found error. ...
0
votes
1answer
20 views

setting up VOCE api in ubuntu

I am using ubuntu 14.04 . I recently downloaded a speech recognition and synthesis api called voce. For installation it told me to run the build.sh file. When I run this script it pops out some errors ...
0
votes
2answers
488 views

OpenJDK vs. Oracle JDK for Android Studio

When I run Android Studio with OpenJDK installed I get a warning recommending the use of Oracle JDK. Is Oracle JDK actually better or is it fine to just stick with OpenJDK? Installing Oracle JDK seems ...
0
votes
0answers
33 views

Possible issues of installing OpenJDK 8 on Ubuntu 12

What are risks/possible issues of installing OpenJDK 8 from PPA (https://launchpad.net/~openjdk-r/+archive/ubuntu/ppa) on Ubuntu 12.04.5 LTS? I understand that OpenJDK 8 never will be in official ...
1
vote
1answer
176 views

what means : java.io.EOFException: Unexpected end of ZLIB input stream? [closed]

The complete : java.util.zip.ZipException: error in opening zip file at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.<init>(ZipFile.java:215) at ...
2
votes
1answer
210 views

OpenJDK not working

I have run sudo apt-get install openjdk-7-jre It says Reading package lists... Done Building dependency tree Reading state information... Done openjdk-7-jre is already the newest ...
0
votes
0answers
623 views

Minecraft doesn't connect to Mojang servers/the internet (15.04)

I've been trying to run Minecraft on Ubuntu 15.04 for a while. Whenever I try running, it won't download the launcher pack and it gives me this message: Bootstrap (v5) Current time is Jun 19, 2015 ...
3
votes
3answers
2k views

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 ...
0
votes
1answer
392 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 ...
2
votes
2answers
84 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 ...
1
vote
0answers
93 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 ...
0
votes
3answers
429 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 ...
3
votes
2answers
4k 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 ...
0
votes
1answer
285 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 ...
1
vote
1answer
187 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 ...
0
votes
0answers
57 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 ...
0
votes
2answers
207 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 ...
0
votes
1answer
153 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 ...
0
votes
0answers
219 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 ...
0
votes
0answers
108 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 ...
0
votes
0answers
54 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. ...
0
votes
0answers
39 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 ...
0
votes
0answers
34 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: ...
1
vote
0answers
103 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 ...
0
votes
0answers
99 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 ...
1
vote
0answers
388 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
vote
2answers
192 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
votes
2answers
310 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 ...
0
votes
1answer
2k 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 ...
0
votes
0answers
63 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 ...
1
vote
1answer
44 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 ...