Widely-used object-oriented programming language, emphasizing portability.

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How to add CLASSPATH parameters permanently when using sudo?

On Ubuntu 12.04.2 LTS 64bits, when using sudo or sudo -i or sudo su or even su in a session, in order to use both Java AND Scala I need to enter the following commands: sudo -i ...
3
votes
1answer
474 views

Win 7 Certificate revocation information - correct way to handle it?

On one of my Win 7 (x64) computers I frequently get certifcate revocation dialogs. Most of them are somehow Java related, once in a while I get one for Xmarks. My main question is, what is the ...
3
votes
1answer
1k views

“compute launch button tooltip” error in eclipse

I'm trying to run Android SDK with Eclipse for the first time. I have never used Eclipse before and I'm running into the following error message over and over again, with no specific trigger: "compute ...
3
votes
1answer
522 views

Understanding Proxy Servers (Operating System, Browsers, JVM, Local Proxy)

In my years of working behind a firewall at my day job, I've lost count on how many times I've had to configure, reconfigure and just plain experiment with proxy server configurations to get that app ...
3
votes
1answer
511 views

Unable To Successfully Use Java Anywhere (Windows 7 64bit)

This is a bit of an odd issue: (This is with JRE 7u7 32bit.) New Lenovo W530 laptop, everything is shiny. I tried to use a java applet for the first time recently (in Chrome). I got the Java logo and ...
3
votes
1answer
102 views

Significance of OpenJDK being Java 7 Reference?

I have read the announcement of "Moving to OpenJDK as the official Java SE 7 Reference". I know that Sun Java will now be OpenJDK + extra proprietary bits, however I am unsure of how this will ...
3
votes
1answer
407 views

Fooling a program to think the Windows XP theme is different

I love using light-text-on-dark-background color schemes for as many programs as I can. However, I don't use a light-on-dark theme for Windows XP itself, because many Windows programs do not play ...
3
votes
1answer
2k views

FFMPEG too slow audio and video merging

I am using java process builder to merge audio and video files on OS X (10.6.4) but it is working too slow, for a audio and video of around 15sec it is taking around 1 hour to merge which is tooooo... ...
3
votes
1answer
2k views

(eclipse) difference between import and create project on existing source

i usually have to build on top of APIs or other projects. i am not very familiar with eclipse, so what would be the difference between import project and create project on existing source
3
votes
1answer
70 views

How can I download a cryptographically signed version the Java JDK from Oracle?

When going to Oracle's download site (https://cds.sun.com/is-bin/INTERSHOP.enfinity/WFS/CDS-CDS_SMI-Site/en_US/-/USD/ViewProductDetail-Start?ProductRef=java_ee_sdk-6u1u21-wjdk-oth-JPR@CDS-CDS_SMI) to ...
3
votes
2answers
4k views

Java “could not reserve enough space for heap object” on a Centos VPS

[root@lab ~]# java Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. Any idea how to fix this? [root@lab ~]# uname ...
3
votes
1answer
2k views

Is there a direct URL to download Java JDK updates? [closed]

I have a whole set of machines that are on the other side of a firewall configured to prevent all Javascript from functioning. All of them (Linux 32 and 64 bit configurations) must be updated to Java ...
3
votes
1answer
1k views

How to run Java in Notepad++ command window to accept input

I'm don't know how to use the command line with Notepad++ to accept input and display output.
3
votes
1answer
2k views

No sound from Java web applet

Using Google Chrome and Mozilla Firefox browsers on Ubuntu 9.10, I am unable to get any sound out from Java (version 6 update 15) on Runescape or WebSDR. I'm only interested in getting WebSDR working ...
3
votes
1answer
970 views

Java Web Start seg faults when run with no arguments

We are using Java Web Start to run our java application from our webpage. When the jnlp link is clicked the jnlp is downloaded but nothing happens. No error, no popup, nothing. Running manually for ...
3
votes
0answers
783 views

Build an Android Rom (Make Error 41)

I tried to build a custom Rom for Android 4.4.4. I use as base the Liquid Rom (Github Link) Before I build the rom, I had insertes in the local_manifests some apps to add to the ROM and before I did ...
3
votes
1answer
703 views

How to use Java Plugin in Browser with JDK within Mountain Lion OSX?

I do not see any Java Preferences.app in my Utilities directory. I run a java -version in command line, there was nothing and prompted me to install version 1.6 from apple. It installs successfully. ...
3
votes
0answers
76 views

Puzzling apparition - RealPlayer rpchrome150browserrecordhelper.dll

I was trying to build and run an application I wrote a long time ago. It was not playing well with the new versions of the open source software it links to. At least two of the open source packages ...
3
votes
1answer
3k views

Java applet needs permission but doesn't ask for it!

I'm trying to connect a VPN connection (on Mac OS X 10.6.6) through a Check point java applet. The first time it ran I chose NOT to give it access to my files and such and now every time I try to ...
3
votes
0answers
337 views

arrow keys not working in Java application when using xmodmap

I've defined my keyboard mapping using xmodmap and it works beautifully with my browser and the rest of my software except java applications. I tried switching the AWT_TOOLKIT to Mtoolkit instead but ...
3
votes
2answers
15k views

Error: could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit

Pre-note: This is not a problem I am having with Minecraft. All answers I can find seem to be related to Minecraft. Error: could not create the Java Virtual Machine. Error: A fatal exception has ...
3
votes
3answers
3k views

Java compiler error: Can't open input server /Library/InputManagers/Inquisitor

I am trying to compile HelloWorld in Java under Mac OS X 10.6 (Snow Leopard) and I get this compiler error: java[51692:903] Can't open input server /Library/InputManagers/Inquisitor It happens ...
2
votes
3answers
20k views

javac command not found

I am trying to compile a java program I found on the internet and it says that I must check if javac is installed. I installed the JDK a long time ago so it should be working but I get command not ...
2
votes
3answers
1k views

java -version doesn't write to stdout?

Either I'm doing something silly or Sun is. How come something like: java -version > version.txt Still prints out to stdout and leaves version.txt empty? I'm checking out the exit code, and it's ...
2
votes
3answers
24k views

Is jucheck.exe a virus?

I keep getting a message from Windows that a program jucheck.exe is trying to connect to the internet. The message shows the publisher of the program as 'Unknown'. Is it a Virus? How to remove this?
2
votes
4answers
2k views

What does “com.developer.application” mean?

I'm editing a plist file on my Mac for the QuickCursor app. I'd like to try to add Aquamacs to the list of available editing applications. In any case, all the other editors listed in the plist are ...
2
votes
4answers
9k views

xcopy Not Surpressing File/Directory Query

Hey folks, I'm attempting to use xcopy to copy over a file from one machine to another on our network as part of a Java program. I'm calling xcopy like this: xcopy "C:\Program Files\path\to\my\file" ...
2
votes
2answers
2k views

What version of java (if any) comes with Windows 7 default install?

What version of java (if any) comes with Windows 7 default install? Is java even installed by default in windows 7?
2
votes
2answers
407 views

Make file open with different program

I accidentally opened a Java file with Firefox and now I cannot change this... How can I make JCreator default again? Here is example of my problem:
2
votes
5answers
8k views

Java Swing over Remote Desktop - Strange, weird GUI squashing

I thought this question fits SuperUser more than StackOverflow because it's not about actual Java programming, though programmers might be more likely to encounter the problem. Anyway, let me start of ...
2
votes
2answers
403 views

Why is a desktop Java app using an old JRE?

In trying to comply with IT policy I've (I thought) removed all old versions of Java JREs and JDKs from OSX. java -version returns 1.7.0_51 and the Java Control Panel in System Settings also reports ...
2
votes
4answers
13k views

Cannot find JAVA_HOME!

Ive been following all the steps to set up java and its compilers and sutch, but i get to the step to change the route for JAVA_HOME where i go into enviroment variables and there is no JAVA_HOME, i ...
2
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2answers
180 views

can java applets take over your computer? [closed]

can it execute programs on my computer ?
2
votes
6answers
7k views

How to know if a site uses Java?

What is a quick method to know if a website uses Java (e.g. in a Java applet). One way would be to scan the source code of the page for clues, but I am looking for a quicker way. If possible, not a ...
2
votes
2answers
1k views

Serving Java web application with Windows Server

I have a dream to build a home server where I deploy my own java web applications for LAN access only. I have got also a Windows Server machine for running them. I am little bit outdated about all ...
2
votes
2answers
387 views

Why must you have administrative privileges to install java 2 sdk

I use several school computers, that have different operating systems. To make sure that I always have my tools available, I like to install a lot of programs to my "roving profile". This is possible ...
2
votes
3answers
11k views

where to get an IBM jre for 64-bit Windows?

I know this is stupid: I couldn't find anything from IBM website about where to download an IBM jre (specifically, IBM jre1.6.0 J9 2.4 SR6) for a 64-bit Windows OS. Google takes me to a link which ...
2
votes
2answers
72 views

Why would I not want to use Apple Java?

Being fairly new to the Mac platform, I was wondering why, when downloading Charles web debugging application, they would offer an alternative download if you do not want to use Apple Java? What ...
2
votes
3answers
1k views

Installation of Java is not working on Windows Server 2008 Itanium

When I try to install Java on Windows Server 2008, it gives me the error below. I tried to install JDK 1.5, JDK6 and JDK7 in both 32-bit and 64-bit versions. Error message: The version of the ...
2
votes
2answers
400 views

OSX - Update “Java for OS X 2012-002” is not mentioned on support.apple.com, is this ok?

Straight after installing "Java for OS X 2012-001" Software Update asks me to install "Java for OS X 2012-002", which has the exact same size (66.6 MB) and description (including the same two links: ...
2
votes
2answers
921 views

why can I invoke java from one user, but not root?

I think this sequence of commands explains my whole question: [Ramy@Moonface Downloads]$ java -version java version "1.6.0_22" Java(TM) SE Runtime Environment (build 1.6.0_22-b04) Java HotSpot(TM) ...
2
votes
1answer
103 views

Dynamic variable substitution in PATH

I want to run different versions of Java on the same machine (Linux Mint 17) with default to Java 7. So I put this into /etc/environment: JAVA_HOME="/tools/java/java7" JAVA7_HOME="/tools/java/java7" ...
2
votes
1answer
7k views

Is the Firefox browser 64-bit on Mac OS X or is the Java website inaccurate?

On the Java download page for Mac OS X, it says: Chrome does not support Java 7. Java 7 runs only on 64-bit browsers and Chrome is a 32-bit browser. If you download Java 7, you will not be ...
2
votes
2answers
9k views

How do I remove Java in Debian?

java -version java version "1.6.0_18" OpenJDK Runtime Environment (IcedTea6 1.8.13) (6b18-1.8.13-0+squeeze2) OpenJDK 64-Bit Server VM (build 14.0-b16, mixed mode) There doesn't seem to be an easy ...
2
votes
3answers
7k views

Trouble setting up PATH for Java on Debian

I am trying to get Oracle Java 7 update 3 working correctly on Debian 6. I have downloaded and set up the files in /usr/java/jre1.7.0_03. I have also set the following two lines at the end of ...
2
votes
1answer
4k views

If I export an environment variable in startup scripts does it persist?

When I create a startup script in /etc/init.d and do an export of a variable does this variable persist and is "viewable" to the started process? To be specific I have the following script to start ...
2
votes
2answers
3k views

Java Install Error 1723

I was working on a program in Eclipse. I went to run it, and ran into some 'unknown source' errors, so I tried to reinstall my java and ran into some annoying errors. First thing I ran into was an ...
2
votes
1answer
1k views

How to get along with Java updates (Windows)

We've learned how to disable automatic java updates, but whether we update Java manually or automatically, is there a way to make it less annoying? Personally, I wouldn't mind Java updating ...
2
votes
3answers
2k views

Cannot Install JDK

For the life of me, I can't install the JDK on Windows Vista. I keep getting the error, "This Software Has Already Been Installed on Your Computer. Would you like to reinstall it?" Problem is, it's ...
2
votes
1answer
1k views

Why isn't java8 in yum?

I have multiple dedicated boxes that execute java applications. I used to install java 7 from yum. I decided to upgrade to java 8. I have installed java 8 manually on a lot of boxes. I am curious to ...