0
votes
0answers
37 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 ...
1
vote
0answers
21 views

Eclipse IDE hello world problem

I'm having problems running a simple java program "Hello world" i had installed the Eclipse Java EE IDE from eclipse site and before it i had installed jdk btw im using ubuntu 14.04 Any ideas ...
-1
votes
0answers
35 views

“JAVA_HOME is not defined correctly” error while executing ant

I have uninstalled ant in my Ubuntu but when typing ant I am getting the error. I want to completely uninstall Ubuntu source files also I want to rectify this error: Error: JAVA_HOME is not defined ...
1
vote
0answers
22 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 ...
0
votes
1answer
64 views

Unable to install jdk 6 after uninstalling jdk 7

Want to install fresh jdk 6 for Android development. Before I had jdk 7 installed which I removed for fresh jdk 6 installation. Tried using the webupd repository way, not of use, tried downloading the ...
1
vote
1answer
51 views

install jdk6 on ubuntu 12.04, can use it in root user but can't in normal user

I am trying to install jdk-6 in ubuntu 12.04. I put the folder in /opt and set the environment path: vim /etc/profile vim /etc/bash.bashrc add this to both of the files: #set java environment ...
1
vote
1answer
170 views

Ubuntu 13.04 - Unable to install JDK7 [closed]

I have an Ubuntu 13.04 64-bit installed and I would like to install JDK 7 for Oracle Sql Developer. My problem is when I try to install it I get the next: kwarr@kwarr-K54LY:~$ sudo apt-get install ...
0
votes
0answers
40 views

Ubuntu does not recognise installed Oracle JRE & installs OpenJDK packages

I have Oracle JRE installed on my system. However while installing tomcat7 with apt-get it does not recognize my installed oracle java(installed using tar from oracle website), but on another system ...
2
votes
0answers
90 views

Problem downloading Oracle JDK 7

I'm using Ubuntu 12.04 LTS. I'm trying to install Oracle JDK 7. When I tried to directly download the jdk-7u51-linux-x64.tar.gz from the official website, the download started and after downloading ...
0
votes
1answer
49 views

Open JDK doesn't run my jar files

I decided to start java programming on Linux instead of Windows, but I can only open my projects in the NetBeans IDE. When I make the distribution into a .jar file, I can't open them. I already gave ...
0
votes
1answer
22 views

My netbeans is not working after I deleted the jvm folder

My netbeans is not starting since I deleted the /usr/lib/jvm folder. But I have installed java jdk 1.7.0_51.deb file and the file dir is /usr/java. When I tried to start the netbeans using terminal ...
0
votes
0answers
75 views

How to install Lucene 4.0.7 in ubuntu 12.04

I am using ubuntu 12.4 and I have an assignment to explore Lucene 4.0.7. But I could not install it. I did not get any type of help from search engines or other forums. So please any body help me.Here ...
0
votes
2answers
44 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 ...
0
votes
0answers
89 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
90 views

Programming Java on Ubuntu 13.10 [duplicate]

I have ubuntu 13.10 and I am trying to use a disk that contains a book, How to program Java, 7th edition. It is the Linux version CD and I can't figure out what program to use so I can look at the ...
0
votes
1answer
62 views

How to remove an unsuccessful installation of Java 6

I unsuccessfully tried installing Java 6 by copy-pasting the following from http://www.webupd8.org/2012/11/oracle-sun-java-6-installer-available.html in the terminal window: sudo add-apt-repository ...
2
votes
1answer
196 views

How do I get ORACLE JAVA SE 7 to work?

I am a newbie to Ubuntu, so kindly be considerate. I recently manually downloaded & installed (Java SE 7ux) JavaSE 1.7.0_51. Linux x64 (for 64-bit system) "tar.gz" package. My Ubuntu version is ...
0
votes
0answers
25 views

jdb not starting up

I am having a wierd problem. I manually installed the newest JDK from Oracle just about an hour ago. Now when I try running jdb through the command jdb DocumentListing1.java the output reads: The ...
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 ...
0
votes
0answers
44 views

Trying to install Oracle 6u4 on Ubuntu 13.10 and cannot find the libnpjp2.so browser plugin

I need Oracle's Java 6u4 to run a specific web applet for work. I've downloaded the .bin for 64-bit Linux from Oracle's website, and went through this AU answer. Everything seemed to be going fine, ...
1
vote
0answers
103 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
52 views

Where to write java programs on ubuntu?

I want on write java programs on ubuntu. I have java on my windows OS and I write programs in Notepad++ and compile and run it in command prompt. I installed java on ubuntu. What should I use to write ...
0
votes
2answers
58 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
4answers
102 views

Oracle's JDK won't install

After downloading jdk-7u45-linux-x64.tar.gz and moving it to my own folder ~/java, I followed their steps here: http://docs.oracle.com/javase/7/docs/webnotes/install/linux/linux-jdk.html I apparently ...
0
votes
0answers
807 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 ...
1
vote
1answer
166 views

JAVAC is not in the jdk path but java -version says JDK is installed

When I type javac in the terminal, this is what I get: The program 'javac' can be found in the following packages: * default-jdk * ecj * gcj-4.6-jdk * openjdk-6-jdk * gcj-4.5-jdk * ...
0
votes
1answer
658 views

How to uninstall JDK

Today I installed Android Studio but when I opened it raised the error: 'tools.jar' seems to be not in Android Studio classpath. Please ensure JAVA_HOME points to JDK rather than JRE. I ...
0
votes
0answers
22 views

How to increase permgen space of java in Ubuntu 13.04

How to increase permgen space of java in Ubuntu 13.04? I am using java Sun/Oracle JDK 6
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
65 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
91 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 ...
0
votes
2answers
78 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
1answer
183 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 ...
0
votes
0answers
22 views

Why there is no .deb for Oracle Java on Oracle's website? [duplicate]

I want to use Oracle Java (JDK) 7u40 instead of openjdk-7 on my Ubuntu 12.04. First, I tried "aptitude search java oracle" and I didn't find it. So I went to Oracle's website to find a .deb. Again, it ...
0
votes
1answer
566 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 ...
0
votes
1answer
470 views

Will 64-bit version of Java JDK work on 64-bit machine running 32-bit version of Ubuntu?

I have a 32-bit version of Ubuntu 13.04 running on my 64-bit machine. I'm planning to install the 32-bit version of Eclipse 4.3 but I need to install Java JDK first. I've had problems finding 32-bit ...
0
votes
0answers
503 views

What does “cannot execute binary file” mean after I installed JDK in Ubuntu

I follow the steps by this link : http://www.webupd8.org/2011/09/how-to-install-oracle-java-7-jdk-in.html But after I typed: sudo update-java I get an error: ben@bensUbuntu:~$ sudo apt-get install ...
0
votes
1answer
173 views

Will removing Open JDK stablize crashing ubuntu?

I'm running Ubuntu 13.04 on an asus zenbook. Mostly this performs very well and I'm quite happy with it but when using Eclipse 3.8 I'm having problems which sometimes crash my whole system. This is ...
11
votes
2answers
29k views

Installing Eclipse Kepler and Java JDK

I need some help to set up the Eclipse Kepler 4.3 and Java JDK last version on Xubuntu, I whould like to do it by the command terminal. Which are the right commands?
2
votes
2answers
147 views

search command for packages in Ubuntu terminal to search updates and patches of the package specifically

Can I know what is the command to search any package using the terminal, if I only know the name of the Software like, if I want to search VLC or JDK,JRE.. etc If I do not know what is the url where ...
0
votes
1answer
530 views

How to run java/javac command from terminal

I have installed jdk using .deb(convert from rpm),but i can't run java/javac command from terminal.
1
vote
0answers
77 views

What is the best way to construct Java EE application deployment environment on Ubuntu?

I'm a Java developer and I don't get familiar with Linux especially Ubuntu. For the past 2 weeks I've worked in transforming our Java EE appliaction deployed from Windows platform to Ubuntu, including ...
0
votes
1answer
324 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
2
votes
0answers
119 views

Error while running Java in Eclipse

I'm getting an invalid error while creating project name of Java in Eclipse. I hope you suggest me any solution to it. Error: # # A fatal error has been detected by the Java Runtime Environment: # # ...
0
votes
2answers
130 views

Which Java installation for Linux

In the official website for download I can see two links for JDK for Linux. Which one should I choose on my Ubuntu 12.04 ? http://javadl.sun.com/webapps/download/AutoDL?BundleId=78694 or ...
1
vote
1answer
636 views

Eclipse only starts with sudo command from terminal

I have to start by saying that I have just switched to Ubuntu from Windows and I am new to Linux in general. Coming from Windows, I really am not familiar with how exactly the permissions work, the ...
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 ...
0
votes
0answers
211 views

how to set “open jdk 7” as default application to opening a “.jar” file in ubuntu 13.04?

I want to open a ".jar" file that need to set "open jdk 7" as default. But apparently in ubuntu 13.04 is no way to set "open jdk 7" as default. I can not find "open jdk 7" in "other applications" ...
9
votes
4answers
22k views

How to install openjdk-7-jdk on Ubuntu 12.04 without dragging in unrelated GUI and sound packages?

Ubuntu 12.04.2 LTS What's going on here? # apt-get install openjdk-7-jdk Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be ...
0
votes
1answer
129 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 ...