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

learn more… | top users | synonyms

3
votes
1answer
7k views

Disable Java 8 update 20 security prompts

Java version 8 update 20 introduced a tedious step of having to verify if an applet is legitimate through some convoluted series of steps. Oracle says this about it: Medium (removed from Java 8 ...
3
votes
1answer
1k views

Run Java applets on Chrome 36 on Linux x86_64

How can I enable or make Java (OpenJDK) available on my Chrome 36 browser? I have installed all 32 and 64 bit (headless) packages as well as the icedtea-web package (noarch) and still I can't get ...
3
votes
1answer
879 views

After upgrade to OSX Mavericks: “Unable to find any JVMs matching version 1.6”

After upgrading my work notebook from Mountain Lion (10.8.5) to the Mavericks (10.9.4) this weekend, everytime I open the terminal I now get the following error message: Unable to find any JVMs ...
3
votes
1answer
427 views

Package/Isolate browsers together with old Java versions?

I am in need to supply old Java versions (1.4, 1.5 and 1.6) for three different webpages which require the Java Plugin in those specific outdated versions. My environment is a Windows Server 2012 ...
3
votes
2answers
3k views

How to enable Java Quick Starter (JQS) on Windows 7

I remember that Unix (Sun blades and Linux) did launch java apps instantly, especially if we compare to Windows. This was cool but now I call a java utility millions of times per second in the batch ...
3
votes
2answers
3k views

Java -version reporting wrong version on Mac OSX Mountain Lion

I just installed Oracle's Java version 7u7 on my Mac (running OSX Mountain Lion). However, when I run java -version it still displays the old version (6u29). How do I fix this? Do I even need to ...
3
votes
1answer
402 views

What is the Linux equivalent of Window's PATH

In Windows I set my PATH to point to my JDK bin folder so I can easily run commands that involve Java. What is the equivalent of this for Linux distros? I am using Linux Mint 13.
3
votes
2answers
3k views

netsh advfirewall => command not found

Because of the Java 7 firewall problem, I am trying to execute the following command as administrator but I get an error: netsh advfirewall set global StatefulFTP disable (German) "Der folgende ...
3
votes
1answer
880 views

Error while removing Java on Windows 7

I'm trying to uninstall Java from Windows 7. ERROR 1723.There is a problem with this windows installer package.A DLL required for this install to complete could not be run.Contact your support ...
3
votes
1answer
3k views

32-bit java dominates my PATH magically

I have a 32-bit Java installed just for Chrome and 64-bit Java JDK for everything else. When I type java -version in the cmd, the 32-bit Java answers: C:\>java -version java version "1.6.0_26" ...
3
votes
1answer
901 views

MTU setting ignored by Java socket on loopback

I've got a mtu problem. I did the following: root@sa-headend:/home/sa# ifconfig lo mtu 1500 root@sa-headend:/home/sa# ifconfig lo lo Link encap:Lokale Schleife inet ...
3
votes
3answers
395 views

If I need to install the latest Java SDK, what apt-get should I install?

I'm on Ubuntu Maverick. There are too many packages when I run apt-cache search java.
3
votes
1answer
6k views

eclipse adding java ant based project: Specified buildfile does not contain a javac task

I have a project that i wrote for apache tomcat. I started working with eclipse i want to import the project to eclipse ide. using eclipse 3.6.1. when i create a new project using : File -> New -> ...
3
votes
1answer
4k views

How to downgrade JRE's version in Ubuntu?

Currently I am having JRE 1.6.0_20. How do I downgrade it to JRE 1.6.0_17? How can I downgrade? I'm using Ubuntu 10.04 LTS.
3
votes
1answer
2k views

Windows' “open with” with java and a jar file

I use the rest-client to test REST APIs. It is basically just a .jar file, that is called via java -jar rest-client.jar. The rest-client uses two file extensions, in my case .rcq, to store data in ...
3
votes
1answer
552 views

Incorrect java -version on command prompt

I already had JDK 5 on my machine. I have updated JDK by installing Java Development Kit 7. Now, I have set the Path and JAVA_HOME variables as per latest Java. but still "java -version" showing me ...
3
votes
2answers
202 views

Copy Linux liveUSB causes errors with init.d scripts - Impossible..?

Please post your thoughts ideas or anything you may come up with. I would be very interested to see what anybody else is thinking. The Overall Problem When I install a simple Java application ...
3
votes
3answers
1k views

Updating from Java 6 to Java 7 on Mac

I am trying to install Java 7 on my Mac but after the install if I do a java -version I still see the old version... Can someone please help me out
3
votes
2answers
1k views

Why Java in Chrome browser is not actual

Chrome tells me:"The Java plug-in was blocked because it is out of date." I actualise it to newest version by .exe file on refered link http://java.com/en/download/index.jsp but Chrome still tells me ...
3
votes
1answer
704 views

How to copy text from Java program?

I am using a Java program called JDownloader v0.9.581 and I wish to copy the full file and link list from main scrolling window. JDownloader has no way to save the full list as a text file. I have ...
3
votes
1answer
997 views

Jabref will not start

When trying to start jabref, I see the following error WARN No appenders could be found for logger (org.java.plugin.ObjectFactory). log4j:WARN Please initialize the log4j system properly. Oct 31, ...
3
votes
1answer
1k views

java wont run under chroot cause it can not find shared libraries

i have openjdk and jRuby installed and running properly. however when i run exactly same environment under chroot, i get: error while loading shared libraries: libjli.so: cannot open shared object ...
3
votes
1answer
119 views

Can I use my own Java program as a command in Windows?

I've developed a Java program which does the same task as the ls command in Linux. After developing it, I was thinking about using it as a command in the DOS prompt. Does Windows allow this? If it ...
3
votes
1answer
6k views

Running 32bit eclipse on 64bit windows

I am trying to use a 32bit installation of eclipse on my 64bit windows machine. I have eclipse extracted to my C: Drive and Java installed in ProgramFiles(x86) When I go to start eclipse I get the ...
3
votes
3answers
765 views

Disassociate file with cmd.exe

I recently chose cmd.exe as a default program for .jar files with instant regret. How do I associate this back again with javaw.exe in the JRE? The default program check box is disabled, so selecting ...
3
votes
1answer
355 views

Different installer variations of single Java version

Can anybody explain to me the difference between jre-6u20-Windows-i586-s.exe (downloaded from www.java.com) and jre-6u20-Windows-i586.exe (java.sun.com)? what does -s mean? And also what are exactly ...
3
votes
2answers
2k views

How to uninstall the JDK after deleting its files?

I wanted to install the JDK, but when I try to, it says: This software has already been installed on your computer. Would you like to reinstall it? I press yes. Preparing to remove... ...
3
votes
1answer
1k views

Java - indicated update available but when clicked said already latest

Does anyone has the same problem as me? I am not sure if Java has a update or not, but it keeps asking me to update daily, but when I click to update, it said I already has the latest update?! My ...
3
votes
1answer
373 views

“Load average” stuck on 7.0

I'm using gentoo and anytime I do uptime, my "Load average" is stuck at 7.0 across the board. When using top or htop or dstat the CPU usage is always idle. The computer is used to run a Java program ...
3
votes
3answers
5k views

Minecraft (Java) frequently loosing connection on Windows 7

Minecraft, a Java client application, is frequently losing connection with the message "Internal exception: java.net.SocketException: Software caused connection abort: socket write error" or the ...
3
votes
1answer
1k views

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
363 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
3answers
1k views

Deleted JavaVM.framework, how to restore?

I accidentally deleted /System/Library/Frameworks/JavaVM.framework, and now i can't use any command like java, javac, etc.. even if i have java installed. So someone know how to restore this folder ...
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
486 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
488 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
99 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
381 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
2answers
9k views

Multiple Java environment on the same Linux machine

What's is the most efficient way to install multiple concurrent Java JDK versions on the same Linux machine? I need Java5 whilst my current Ubuntu 9.10 Karmic comes loaded with Java6. I know I could ...
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
0answers
430 views

Build an Android Rom (Make Error 41) [SOLVED]

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
0answers
233 views

How can I get millisecond-level accuracy timestamps on screenshots (vlc)?

I'm currently using rt.exec("C:\\VLC\\vlc screen:// --dshow-vdev=screen-capture-recorder --dshow-fps=10 -I dummy --dummy-quiet --rate=1 --video-filter=scene --vout=dummy --scene-format=jpg ...
3
votes
1answer
694 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
73 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 ...