Java is a programming language originally developed by Sun Microsystems. Questions here should be about the installation, configuration and troubleshooting a JVM (Java Virtual Machine) or a JRE (Java Runtime Environment). Programming questions (unless directly related to Ubuntu) should be asked ...

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How do I install JDK 8 with NetBeans(Cobundle) on 16.04 Ubuntu?

So I went to the official Java site and downloaded a JDK 8 with NetBeans with .sh extension and it opens with a text editor and I have no idea what to do with it. I've opened it with gedit and at the ...
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1answer
10 views

Running Jab-Ref3.5.jar on Ubuntu 14.04

I downloaded JabRef-3.5.jar and I'm trying to execute it from the command line as follows: java -jar JabRef-3.5.jar Just as it says in this post. Unfortunately, it doesn't work. It says: Error: ...
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votes
1answer
9 views

Unable to update any software packages in VMWare Ubuntu

I want to understand why I am unable to install any packages. I am trying to install hadoop, but for that Ubuntu 14.04 & Java 7 or above are prerequisite and I cannot install them: sudo apt-get ...
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1answer
24 views

how to add a “.so” library in a Netbeans project in Ubuntu

I am a beginner in Netbeans JAVA development. I am searching for this solution for a long time and I have found some answers from here and here too but I can't make it work. I have also tried to run ...
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0answers
13 views

problem with eclipse in ubuntu 16.04

I Am a student , I installed ns3 simulator on ubuntu 16.04 successfully. and i install also Eclipse from a terminal by this command: sudo apt install eclipse-cdt and when i run eclipse by this ...
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0answers
12 views

Trying to install Java JDK and IntelliJ packages on XFCE

Im new to Linux and am a bit lost in the web of commands. I have downloaded the latest versions of both JDK and IntelliJ and I have extracted them using squeeze, but then when I try and run a command ...
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2answers
34 views

Can't find the eclipse was installed by eclipse Installer

I downloaded an installer from here and run eclipse-inst. It showed a dialog to select an IDE to install, I selected Java and installed it in /root/java, then it showed me a button to launch it... I ...
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0answers
6 views

How can I retrieve Mysql Database Results to my Applet in my Browser?

I have been trying to get my applet to display database values from MySQL server, something it does very well when i debug it in Netbeans, so I do not understand. I have set the java security levels ...
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0answers
10 views

Sublime Text 3 build result not working

I have a problem in Sublime Text 3. After a successful build, I am not getting output. Even the build result is not working for a "hello world" Java program and there is no output.
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1answer
25 views

Webupd8 Oracle Java8 on rpi missing javaws.policy

I'm trying to install Oracle java8 on my raspberry pi 3. My script follows the instructions at http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html. I tried both the option of ...
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0answers
6 views

rsyslogd somehow crashes my server

About 8 hours ago my java web server (on an ubuntu machine) crashed and I'm trying to figure out why so that it doesn't happen again. There is some weird stuff going on in /var/log/syslog around that ...
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0answers
129 views

Oracle Java JDK Installation

I installed both Android Studio and the lates version of Oracles Java JDK 8. When I type: java -version, it seems like I have installed java correctly: java version "1.8.0_91" Java(TM) SE Runtime ...
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1answer
29 views

Removing Java completely from Ubuntu 14.04 LTS [duplicate]

When I run which java command in my Ubuntu, it tells /usr/bin/java. I initially installed java using sudo apt-get install ... command. Using this command where does it install all java components? ...
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0answers
22 views

OpenJDK 64-Bit Server VM warning: ignoring option PermSize=32m; support was removed in 8.0

I had installed netbeans-8.0.2 . It displays an error inside the terminal - "OpenJDK 64-Bit Server VM warning: ignoring option PermSize=32m; support was removed in 8.0 " Please help me to resolve ...
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0answers
30 views

Error 404 while running a dynamic web project on tomcat

I get following error message when I run my web project on Eclipse Neon. The requested resource is not available (Error 404 title) I have used this guide for Apache Tomcat8 installation I have made ...
0
votes
1answer
16 views

How to install jdk1.2 beside jdk1.8

I am new to linux and ubuntu... I am trying to run a program which is old (2001), in the MakeFile it says the javac is jdk1.2 (or 1.3), however I already isntalled javac 9-internal. Can I yet install ...
3
votes
1answer
124 views

Need help scripting with jar files

I need to launch 17 .jar files, one at a time, with a 7 second delay in between each. 3 hours later, I need to kill all java processes, but only those running on surge user. 3 hours later I need to ...
2
votes
1answer
63 views

Trigger if directory size exceeds threshold

I have written a shell script to backup data to s3 and i want to trigger this shell script when ever the system storage space goes critical lets say when the system reaches 80% of its capacity. I know ...
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0answers
21 views

How to install HBase on Hadoop with 4-node clusters on Ubuntu 16.04?

I have four linux machine one is master machine(192.168.137.155) and other ones are slave machine(192.168.137.148 , 192.168.137.150, 192.168.137.151). I have installed and configured Hadoop 2.7.2 in ...
1
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1answer
62 views

Apache Tomcat 8.5.4 Ubuntu 16.04 not working!

I have installed the following distribution of Tomcat: http://mirror.its.dal.ca/apache/tomcat/tomcat-8/v8.5.4/bin/apache-tomcat-8.5.4.tar.gz I have followed this instruction step by step: https://www....
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0answers
8 views

Java config for Lightbend Activator

Need help with Java config for Lightbend Activator on Ubuntu. I successfully got Activator up and running on Windows, but following the "same" process on Ubuntu, I get: java.lang....
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0answers
8 views

matlab system error [duplicate]

After starting Matlab on Xubuntu as root I get this system error when I am trying to open it. I reinstalled it but the same problem occurs. Can anyone help? MATLAB crash file:/home/pc/...
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0answers
16 views

Running executable jar file from terminal [duplicate]

I've just got a new PC running Ubuntu 16.04 and have transferred my work from my laptop running Ubuntu 14.04. I have an executable jar file called timed_hri.jar. On my laptop I can go to the ...
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0answers
21 views

How to install Juniper on ubuntu 16.04

How to install Juniper on ubuntu 16.04x64? I install 32bit java: There are 4 choices for the alternative java (providing /usr/bin/java). Selection Path ...
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0answers
61 views

Unable to install java on Ubuntu Server 16.04 xenial

I hope someone can help me out on this one, since I am a real beginner on Ubuntu and Linux in general. I am trying to install java on my Ubuntu Server and I'm getting the following error : :~$ ...
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0answers
13 views

Is there any Ubuntu Version that comes with Pre-installed ERP Softwares?

At present I'm working on Openbravo,a web-based ERP business solution for small and medium-sized companies. To work with this, I need to Setup few things. Some are mentioned below. My question is ...
1
vote
1answer
88 views

Installing java8 in ubuntu 14.04 [duplicate]

I was trying to install java8 in my ubuntu 14.04 machine. I am getting the following errors. I have tried many solutions available in internet but the floowing error is repeating every time. Oracle ...
4
votes
1answer
227 views

I get no output when I compile Java code from the Terminal

When I try to run my Hello World program it doesn't show any output: $ ls hello.class hello.java $ javac hello.java $
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0answers
16 views

how to verify hbase version on ubuntu 16.04?

i install hbase-0.94.27 on hadoop-2.7.2 in ubuntu 16.04 . hadoop is work correctly but when i want to verify my hbase using hbase -version the system show me some detail about java what is wrong ?
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0answers
25 views

Java doesn't work (IcedTea )

I installed IcedTea Plugin on Ubuntu 14.04 LTS using Firefox. I receive this error message: Problem initializing runtime environment. Changing the SecurityManager is not allowed. I am not very ...
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votes
0answers
26 views

Java from Oracle firefox update

I'm running on a ubuntu 14.4. I update the java version from Oracle website following their instruction Right now the java version installed on my computer is "1.8.0_91". I made a simbolic link on ...
0
votes
1answer
31 views

Java file won't run

So I've installed Java 8 via PPA using this method: http://tecadmin.net/install-oracle-java-8-jdk-8-ubuntu-via-ppa/ And it seems to be working: jamie@jamie-ncase:/media/fa7e62a0-92d8-4af6-86d9-...
0
votes
0answers
70 views

cant able to install openjdk-7-jdk and openjdk-7-jre

When I run sudo apt-get install openjdk-7-jdk I am getting this error $ sudo apt-get install openjdk-7-jdk Reading package lists... Done Building dependency tree Reading state ...
1
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0answers
17 views

Error during Eclipse plugin installation

I'm new in Ubuntu. I have installed Eclipse (Mars2) on Ubuntu, it is working fine as a basic IDE. But whenever I would like to add a plugin (help -> Install new software...) I got a question about if ...
4
votes
2answers
62 views

What happened to tzdata-java in Xenial 16.04?

On upgrading to xenial, the package tzdata-java was removed and is indeed no longer available. I managed to install older JDK versions (still needed for some development) from the openjdk-r PPA, but ...
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0answers
36 views

Issue with “Unable to access address of buffer” MInecraft 1.10.2 on Ubuntu 16.04

I have scoured the web for an answer to this problem. And I keep coming up with this vague as all else answer: For reference for anyone else having this issue, go to edit profile. In the ...
2
votes
0answers
17 views

Java obfuscator?

I do Java development and I was wondering if there is a Java obfuscator that I can install on Ubuntu GNOME 16.04 with GNOME 3.20? That is one that I could give the code to and it would do things like ...
0
votes
1answer
46 views

How to run a Java awt Hedless program in a server environment?

I'm running a java program that is already able to work from command line, but only if a x server is up and running. Actually on my ubuntu 16.04 x64 VPS I got this java exception Caused by: java....
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0answers
13 views

How to add more files inside already packaged deb?

After creation of package for Windows and Mac now moving to ubantu for packaging using netbeans8.0.2 in ubantu 15.04 Package placed under package_path/dist/bundles/.deb When running deb with ...
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0answers
8 views

How to isntall java SE runtime on ubuntu server 15.10?

So I am busy making a teamspeak server and i'm also making a bot that controls the server. It needs java SE runtime to work. Can anyone please give me the commands to install it?
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0answers
93 views

I need help installing java on Ubuntu server

I want to install java on my ubuntu server. but i failed. I don't know how install java. The error message is You might want to run 'apt-get -f install' to correct these: The following packages ...
1
vote
1answer
32 views

Invalid or corrupt jar file on Ubuntu Server

I just got an Ubuntu VPS from ovh.ca the other day for hosting Java programs/web services on. I use Putty to interact with the VPS. I used PSCP via Windows Command Prompt to transfer my jar file onto ...
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vote
0answers
40 views

briss is not working on Xubuntu 16.04

I just installed Xubuntu 16.04 (was running Xubuntu 14.04). I noticed that the program briss, which crops pdf files, is not working (SIGSEGV, ya crash!). But it worked flawlessly on Xubuntu 14.04. ...
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vote
0answers
21 views

Alsa chroot java program doesn't find microphone

I made a chroot environment from an architecture i386. Now I installed ALSA on it (alsa-base, alsa-utils, asound2). I mounted the proc,sys and dev directory too. Then I tested my microphone with the ...
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vote
2answers
129 views

ubuntu 15.10 firefox 47 java plugin weirdness

I have just updated my system to use oracle java 8 build 91 (latest and greatest) and can't get the firefox plugin to work. Every time I try to verify it, it crashes. When I tried the approved ...
4
votes
1answer
159 views

Snap package for Java (Swing and AWT) application crashes when it is executed

I'm trying to build a snap package for a Java (Swing and AWT) application. It allows to download (and manage) wallpapers automatically from the Internet and stores them locally. This is the snapcraft....
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0answers
32 views

undefined symbol: jpeg_std_error while trying to run java project

I have a completed java project. I'm going to run it on ubuntu 14.4 x86. Project requirements are : Sun Java JDK 1.6, MATLAB Compiler Runtime (MCR) is installed (version 7.11), v4v4lj, code....
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0answers
24 views

Why can't java find my fonts?

Whenever I try to run any jar file via java -jar file.jar, I get an exception saying: Exception in thread "main" java.lang.NoSuchFieldError: fontFile I just earlier today was having the same issue ...
0
votes
1answer
14 views

Jar files in the Ubuntu Hud

So I have a few jar files that I frequently use (Minecraft and other launchers, to name a few) and they show up under the "File and Folders" section. If I open other files that have a similar file ...
1
vote
1answer
88 views

Unable to open .jar files with Java

I'm using Lubuntu and trying to open a file named Minecraft.jar, but all the solutions that work for other people aren't working for me. I have these versions of Java installed: openjdk version "9-...