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

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95
votes
10answers
214k views

How to stop jucheck from running? Java won't remember “Check for Updates Automatically” setting

I've installed Java on Windows Vista, and every day I get a Vista security warning asking me if I want to run "jucheck". Apparently this is the Java automatic updater. Well, I don't want it to run ...
188
votes
8answers
57k views

How can I prevent Ask.com Toolbar from being installed every time Java is updated?

As many are painfully aware of, Oracle continues to not only bundle the Java installation with the useless Internet browser toolbar from Ask.com, but also enable its installation by default. In ...
40
votes
5answers
24k views

What should I do about com.apple.quarantine?

I've downloaded some .jar files from the internet and want to use them under Mac OS X. But the OS seems to have tagged them with the extended attribute com.apple.quarantine (no indication of this ...
19
votes
2answers
150k views

Where do I download Java development binaries (JDK) for Windows 7 64-bit?

I am trying to install a Java development environment on Windows 7 64-bit, but I am unable to find a suitable install. Is there one available?
73
votes
3answers
170k views

How do I get Java support on Google Chrome in Linux?

Is there a way to run Linux Google Chrome with Java support?
10
votes
2answers
6k views

What is the task “java” (parent process “launchd”) doing on MacOS X?

I have a process called "java" showing up in my Activity Monitor that uses a good amount of CPU (4 - 8% average, 20 - 80% on occasion). It reports that "launchd" is its parent process. Any idea what ...
32
votes
4answers
4k views

Can I permanently prevent Java security updates from installing Yahoo Toolbar?

Each time I get a Java security update, I have to remember to untick the box to install the yahoo toolbar browser plugin that they've decided, for some mad reason, is an important security feature of ...
6
votes
3answers
4k views

Wrong java -version being reported

I am running Windows 7 Professional x64 and have the following Java versions installed: x64 C:\Program Files\Java jdk1.6.0_24 jdk1.7.0_04 jdk1.7.0_07 jre6 jre7 x86 C:\Program Files (x86)\Java ...
6
votes
3answers
11k views

How can I set one browser to use JRE 1.5 and another to use JRE 1.6?

I think this has to be a common issue, but I haven't found any clear solution. We have several products that are accessed via a browser (IE 7) with JRE version 1.5. We now need to be able to support ...
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
3k views

Disable Java 8 U 20 Security Prompts

Java 8u20 introduced a tedious step of having to verify a applet is legitimate through some convoluted series of steps. Oracle says this about it: Medium (removed from Java 8 Update 20 and later ...
25
votes
2answers
30k views

Running Java7 in Chrome for Mac OS X (requires 64bit?

My home banking system requires Java for logging onto the bank - see https://www.nemid.nu/ for a description of the system (in Danish only). This worked fine in Chrome under Mac OS X until recently ...
25
votes
4answers
19k views

Can you configure Windows to open JAR files like ZIP files without a 3rd party tool?

I'd like to be able to examine the contents of a JAR file without having to install Winzip or some other tool and without having to rename the file. Windows Explorer can open ZIP files just fine; is ...
9
votes
5answers
14k views

Java 7 update issues

I have been trying to log into a work presentation for three days. The site keeps prompting me to download Java 7u6, but when I follow the prompts it comes up with an error message reading: ...
19
votes
7answers
113k views

Java plugin doesn't work in Chrome — how can I fix this?

This used to work fine until a week or so ago, and I am not sure what has changed since then. I have just uninstalled what seems to be all the JVM stuff on my machine and reinstalled with the latest ...
8
votes
3answers
16k views

Find out what program runs in the java.exe process

I have a problem: always when my computer starts, there is a java.exe process listening in the port 7676. I want to find out what it is to be able to delete it. Is there any way that I can find that ...
12
votes
1answer
13k views

sorry, you must have a tty to run sudo

I had already asked this question in Stack Overflow, but I've been asked to post it here. So doing the same. I ran this command using my java program- sudo -u <username> -S pwd I got this ...
7
votes
2answers
21k views

Java 1.6 on Mac OS X 10.5?

I'm running OS X 10.5.8 on an Intel iMac and don't have any immediate plans to upgrade to Snow Leopard. Am I able to upgrade Java to 1.6 somehow? The release notes on Apple's website for Java are ...
6
votes
2answers
36k views

Uninstall Java on Mac OS X?

I'm working on a trouble shooting document for some desktop software that runs in Java. One of the last resort steps is to completely uninstall and reinstall the Java runtime. In Windows XP this can ...
2
votes
1answer
9k views

“Java returned exit code=13” when starting Eclipse

I have some problems starting Eclipse. When I try to start it, this error window appears: Does anyone have any idea of how to fix this? I am using Windows 7.
1
vote
1answer
919 views

How do I make cron run a Java GUI application?

I have a script which runs a Java GUI application using "java -jar app.jar". I have added the script to the crontab to run every minute, check the processlist if the application is up. If it isn't it ...
1
vote
1answer
1k views

Installation of Java on Debian 6

To install java on debian 6, I used add-apt-repository "deb http://archive.canonical.com/ lucid partner" sudo apt-get update sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts The ...
0
votes
0answers
107 views

Which capabilities do Java applets executed in a browser have?

I found a document on the Oracle website, , that lists the capabilities of unsigned applets, unsigned applets with JNLP and signed applets.When i encounter an unsigned applet on a webpage (I am using ...
0
votes
2answers
982 views

How to block a website using java program without using proxy and hosts file?

I am looking for a plugin or software to control the browser for following functionality. When user submitted request(URL) from browser that request hitting my application(it is running on local ...
2
votes
1answer
304 views

Java Old JRE Installation Issue

At my company, we have an internal application that uses Java. It evidently must use 7.0.5, since the app stops working on machines that have been upgraded to 7.0.7. We have an installer stored on the ...
2
votes
1answer
1k views

Setting JAVA_HOME environment variable

I have set java_home on my mac, by putting export JAVA_HOME=/System/Library/Frameworks/JavaVM.frameworks/Home to my ~/.profile file. I quit the terminal and ran it again. But when I typed echo ...
2
votes
2answers
735 views

install remote desktop in a PC with FTP and HTTP access

I have a machine behind a firewall to which I have only FTP and HTTP access - is there any remote desktop software available that I can install over FTP and access over HTTP (java based perhaps)? The ...
2
votes
2answers
813 views

how to set default java plug-in version

I can set the jre version from the Control Panel -> Java -> Java Runtime Environment Settings. But I cannot figure out how to change the Java Plug-in Version. I would like to use an earlier java ...
2
votes
1answer
2k views

Open Source Java Based Blog Software

I am looking for an open source java blogging software that is easy to use and customise. I am looking a blog application that (preferably) has the following features: Enable me to tag my post with ...
1
vote
0answers
1k views

Can't install Java 1.6 on OS X 10.5.8

The official Apple updates only get me up to java version "1.5.0_30". I'm trying to apply the 1.6 update manually from JavaForMacOSX10.5Update6.pkg and it gives me A newer version of this package ...
1
vote
2answers
2k views

Cannot uninstall Java

I am unable to uninstall the Java JRE from my system. I have used Windows Installer Cleanup but still the Java folder is in Program Files. How can I remove Java from my PC? I'm using Windows Vista ...
0
votes
1answer
166 views

Firefox 33 doesn't see Java Plugin

I am trying to enable Java (not JavaScript) in my Firefox v. 33 so that I can use applets within the browser. Currently, I just get a dark gray box across the whole screen when I try to load an ...
0
votes
2answers
405 views

Run java in php apache2

I wrote a simple PHP file which calls a java application. It runs on cli without problems but I can't run it on browser. Output: "Java HotSpot(TM) 64-Bit Server VM warning: ...
0
votes
0answers
31 views

Disabling overreaching Java permissions

There's a Java program I have to run that's extremely intrusive: disables the system clipboard, terminates when certain other programs are run (e.g. image editors), tries to prevent you from switching ...
0
votes
4answers
5k views

How to programmatically allow an executable JAR file through Windows Firewall?

I have created a program in Java that uses an FTP connection to download files. It works just fine when I run it in Eclipse. However, when I export the project to an executable JAR file, the program ...
0
votes
3answers
2k views

Running software on linux through Wine

Our school is setting up a Linux computer lab for students to use. We have Kinetic Books and would like to run it on these computers. The software is java-based. Is it possible to run it under Wine? ...
-3
votes
1answer
9k views

security block self-running java program

I'm running a java program, but it is blocked by security software(maybe McAfee), I got a pop-up which says: Application Blocked by Security settings your security settings have blocked a ...
132
votes
6answers
101k views

Disable Java Plugin in Google Chrome?

This is the second time I've had a drive-by executable installed on my machine using the following: Google Chrome 6 (latest) Windows 7, UAC on This happened while I was browsing for images to add ...
90
votes
4answers
182k views

How do I install the Sun/Oracle Java SDK on Ubuntu?

Since 11.10 Ubuntu does not provide the sun-java-jdk, how do I install it?
12
votes
3answers
10k views

Switching between Java 7 and 8 in OS X

I have installed Java-8. Now I wanted to go back to Java-7 by default so I type in... /usr/libexec/java_home -v 1.7.0_40 --exec java -version /usr/libexec/java_home -v 1.7.0_40 --exec javac -version ...
27
votes
3answers
19k views

Java update “Failed to download required installation files.”

On my Windows 7 machine the Java update consistently fails with this error message. (edit: The same thing happens on Windows 8). This seems to a common problem, does anyone have an insight into ...
22
votes
3answers
55k views

Java Control Panel does not show Update tab on Windows 7 x64

I'm running Windows 7 Professional x64. I've installed JDK 1.6.0u25 in the 32-bit version first, and the 64-bit version on top. The Java Control Panel does not show anything about updates; I can't ...
6
votes
2answers
6k views

Auto-restart process on crash [duplicate]

I have a Java server process which runs native code and the possibility of the entire process crashing due to a problem in native code is always there. Is there any mechanism offered by *nix operating ...
22
votes
9answers
53k views

How to disable jusched.exe on Windows 7 64-bit?

I have recently purchased a new laptop from an OEM with Windows 7 64-bit. This system came pre-installed with (among other stuff) the Java Runtime Environment (64bit). This has put the "jusched.exe" ...
18
votes
2answers
10k views

Windows 7 - How to pin a .jar to the taskbar?

I have a .jar that I run frequently, and I'd like to pin it to the taskbar. I've tried pinning the .jar itself, and I've tried pinning a .bat file that has the command to run the .jar, but it doesn't ...
4
votes
2answers
3k views

Silent Java update check

How to have automatic Java updates without jusched.exe process running all the time in the background and with control when a check for the update should occur?
10
votes
1answer
925 views

How to “jail” Java applications in OS X?

Is it possible to "jail" Java applications? My bank has an applet that requests "unrestricted access" to my computer. That makes me feels very uneasy. There should be a way to tell the java ...
6
votes
1answer
7k views

ClassNotFoundException returned for all plugins

I am trying to use a Java applet (any Java Applet), but I always get a messages saying "Error. Click for details". When I do so, the pop-up says: Application Error ClassNotFoundException ...
2
votes
4answers
1k 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 ...
9
votes
4answers
4k views

Zombie process using 100% CPU

A zombie process, which should not be using any resources (RAM and CPU), is hogging up an entire core on my 8-core 64-bit Ubuntu 11.10 Desktop installation. This is the output of ps -el|grep Z: F S ...