Questions relating to the installing and use of the Java Development Kit (jdk)

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Specifying path to java interpreter while installing Java Wireless Toolkit

I have already installed JDK. I could run java programs through command line as well as through Netbeans IDE. Now I want to install java wireless toolkit. I have downloaded the "*.bin" file from ...
1
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0answers
41 views

use jdk1.8.0_20 which comes with Netbeans also for Aptana

I just installed Netbeans 8 with jdk1.8.0_20. Which is working fine but a little bit slow. So I figured why not try Aptana Studio but Aptana website states that openjdk is not supported. Can I use ...
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1answer
44 views

how to install java 1.5 jdk in ubuntu

I am getting this error when trying to install java 1.5 jdk sudo apt-get install sun-java5-jdk Reading package lists... Done Building dependency tree Reading state information... Done Package ...
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vote
1answer
69 views

Installing oracle java versions

I went to the website to download (Java Platform (JDK) 8u20 ), http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html to download ORACLE java for my machine. I was ...
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2answers
56 views

Running .jar File using JDK on Ubuntu 14.04 [closed]

I install JDK on my Ubuntu 14.04 so I can use Netbeans and Android studio. I download a .jar file in the internet and I want to run it on my PC. My problem is, I cannot find java to run this file. I ...
1
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1answer
100 views

JDK 8 Installation for Ubuntu 14.04 (Android Studio & NetBeans)

I downloaded jdk-8u11-nb-8-linux-i586.sh and installed it in my home folder. Then I install NetBeans, it is successful I think because I can compile my java code using netbeans. Now when I install ...
0
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1answer
42 views

Ubuntu 14.04 freezes when running project in netbeans 8 with jdk 7

This question seems to be a duplicate but it's not! I run ubuntu from a live pendrive only and wanted to test a netbeans project for linux. I have installed oracle's jdk 7u67, netbeans 8. When I tried ...
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0answers
26 views

Unable to share desktop while using Webex

While using WebEx, I am not able to share desktop. An error message shows that "Java is not enabled", but I've installed jdk7.4. I am using Ubuntu 13.10.
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0answers
29 views

Update-alternatives creating symlink to directory instead of file

I ran update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.8.0_11/bin/java 100 It is creating symlink named java to /opt/jdk/jdk1.8.0_11/bin/ instead of /opt/jdk/jdk1.8.0_11/bin/java inside ...
2
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0answers
93 views

Unable to start topcoder arena in Ubuntu 14.04

When I want to clear cache using javaws - viewer these error comes. I am trying to launch my topcoder arena. Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/jayatanaag.jar Exception in ...
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0answers
13 views

JDK 8 installation from .tar.gz file [duplicate]

I have downloaded jdk-8u11-linux-x64.tar.gz from the oracle website, and I have done gunzip and tar -xf which extracted all the files into a jdk directory(/usr/local/src/jdk1.8.0_11). Now is that it ...
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0answers
48 views

Eclipse does not start on 14.04

I recently upgraded to Ubuntu 14.04 and have been trying to install and use Eclipse ever since. I tried using both open JDK as well as Oracle JDK installations(both Java 7 and Java8) and both Eclipse ...
0
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2answers
152 views

Changing the Java Runtime in NetBeans 8 on Ubuntu 14.04

(Not sure if this is the right site for this question - if not please migrate.) I am using Netbeans 8 for C++ on Ubuntu 14.04. Ubuntu comes with the Open JDK Runtime, which is what Netbeans is ...
0
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0answers
549 views

How do I install Eclipse Luna and JDK8 to work in Ubuntu Studio using XFCE?

I tried following guides online to install Eclipse, but I'm not sure if it was supposed to work for my distro. I'm also unsure if openJDK 8 is the same thing as JDK8 for linux and whether or not it's ...
1
vote
1answer
550 views

Having problem with installing JDK 7 and 8

I wanted to install JDK 7 and 8 on my system and I followed bellow post: http://stackoverflow.com/questions/16263556/installing-java-7-on-ubuntu But now, when I enter the: sudo apt-get install ...
1
vote
1answer
42 views

How do I change my java version?

I want to install Oracle JDK on my Ubuntu 14.04. I tried using webupd8's method. The installer worked fine but the when I type java -version I get: java version "1.7.0_55" OpenJDK Runtime Environment ...
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0answers
34 views

Eclipse dosn't see JDK

I had installed Eclipse and it was working well few days ago. Now I can't create Java project, there is no such option and in the Eclipse Preferences there is no mention about the word Java. I was ...
1
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1answer
173 views

IcedTea plugin for openjdk 8

I updated from openjdk 7 to openjdk 8. Meanwhile I uninstalled jdk 7(which uninstalled icedtea plugin too). I tried to reinstall icedtea with sudo apt-get install icedtea-7-plugin But it ...
0
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2answers
262 views

Switch to Oracle Java JDK in 14.04?

Ubuntu 14.04 comes with OpenJDK after updating from 13.10. $ java -version java version "1.7.0_55" OpenJDK Runtime Environment (IcedTea 2.4.7) (7u55-2.4.7-1ubuntu1) OpenJDK 64-Bit Server VM ...
1
vote
1answer
94 views

Can't run InstallJava executable file

I can't seem to run a Java executable file, even though I've already installed the latest jdk. See the below screenshot. Am I using the right command, via: ~$ open InstallJava or is ~$ ./InstallJava ...
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0answers
580 views

Eclipse Kepler crashes on Ubuntu 14.04 when using WindowBuilder

I'm using Ubuntu 14.04 and with a lot of problems I have to face daily with this OS, there is another recent one. Problem: Whenever I try to use Eclipse's WindowBuilder to design SWING GUIs, after a ...
0
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1answer
86 views

NetBeans has broken interface with OpenJDK

Sorry for English. Usually (say, at 4/5 of times), when I start NetBeans, interface is partially broken. For example, menu items are appearing and at once disappearing after click; some parts of ...
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0answers
40 views

error showing: unable to launch “ PATH=…” X session ---, falling back to default session

When I logged in after successfully installing jdk 1.8.0_05 on Ubuntu 14.04 it says: :unable to launch "PATH=/usr/local/sbin ...... X session --- ...
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3answers
91 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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1answer
3k 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 ...
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2answers
158 views

intellij idea not opening because of jdk/bin/java

I am relatively new to ubuntu. i am using idea intellij from jetbrains for developing applications with gwt and java. Recently i have installed ubuntu 14.04 and everything works fine but idea 13. I ...
3
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1answer
803 views

Multiple JDK is not working properly in Ubuntu 14.04

JDK versions (jdk1.7.0_21 and jdk1.7.0_55) Installed and Configured like below. jdk1.7.0_21 update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0_21/bin/java" 1 ...
0
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1answer
3k views

gzip: stdin: unexpected end of file -> problem in extracting jdk-7u55-linux-x64.tar.gz

I have downloaded 'jdk-7u55-linux-x64.tar.gz' When I execute following command to extract, sudo tar xvzf jdk-7u55-linux-x64.tar.gz also tried, sudo tar xvf jdk-7u55-linux-x64.tar.gz sudo tar xf ...
1
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2answers
47 views

Install Java 6 for a single project while leaving the default for the rest of the system at Java 7

In order to install a development environment for an older version of Android, I need to have Java 6 installed. I already, however, have Oracle Java 7 installed on my system and would like to keep it ...
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 ...
2
votes
1answer
415 views

Download failed : Oracle JDK 7 is NOT installed

When i try to install something it gives me this error: HTTP request sent, awaiting response... 403 Forbidden 2014-04-23 09:32:53 ERROR 403: Forbidden. download failed Oracle JDK 7 is ...
1
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1answer
80 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 ...
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0answers
86 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
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1answer
174 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
329 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
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1answer
890 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 ...
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0answers
62 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
1answer
185 views

Problem downloading Oracle JDK 7 [duplicate]

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
367 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
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1answer
33 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
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0answers
521 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 ...
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vote
2answers
72 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 ...
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0answers
223 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 ...
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vote
1answer
229 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
179 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
1k 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 ...
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0answers
171 views

Crash sts ubuntu 13.10 [closed]

I use Spring Tool Suite for develop a java program, I have installed JDK1.6.0_45. I have ubuntu 13.10 but when the project run the STS crashed. # # A fatal error has been detected by the Java Runtime ...
0
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0answers
31 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 ...
0
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1answer
379 views

install rxtx under JDK

A java developer who want to send SMS ,may use SMSLib project. SMSLib requires to set up : javacomm library (if it is windows plateform) rxtx library (if it is linux plateform ) by adding it in ...
4
votes
3answers
5k views

“Oracle JDK 7 Is NOT installed” error?

I'm trying to install JDK7 on ubuntu 12.4. In the first try, the power has gone and the laptop shutdown in the middle of downloading JDK7 using terminal as I was using the next terminal commands ...