Java, is a cross-platform programming language created by Sun Microsystems and is now owned by the Oracle company

learn more… | top users | synonyms

2
votes
1answer
2k views

Javaws unable to locate JRE on 10.9 Mavericks

From the command line, running javaws results in the message: $ javaws No Java runtime present, requesting install. Unable to locate a Java Runtime to invoke. $ java -version java version "1.7.0_40" ...
1
vote
1answer
4k views

Facebook Video Chat plugin no longer works on Mavericks

After upgrading my Mac OS X 10.6.8 Snow Leopard to OS X 10.9 Mavericks, I've encountered a minor problem. The video chat plugin of Facebook no longer works. On the Facebook chat box, the video chat ...
25
votes
2answers
104k views

How do I install JDK 1.6 in Mavericks?

When I upgrade to Mavericks, it uninstalls Java 1.6. I can install Java 7, but for some applications and development work, I still need access to Java 6. How can I reinstall Java 6 in Mavericks? ...
16
votes
5answers
96k views

How do I set environment variables on OS X?

I have always difficulties setting the environment variables on Mac like JAVA_HOME, M2_HOME or PATH. How to set these on Mavericks OS X? I did some research but the answers I've found didn't really ...
3
votes
1answer
588 views

Is it possible to install JDK 7 after installing MATLAB on Mountain Lion

I need to install MATLAB using an internet connection, but according to the docs I can't install MATLAB with a connection if I have JDK 7 installed on Mountain Lion. According to MATLAB, the solution ...
1
vote
3answers
5k views

Is it possible to upgrade from Java 5 to Java 7 on OS X 10.5.8 - Leopard?

I'm using OS X 10.5.8 - Leopard. I updated Java via Software Update and the newest Java I could have installed in MacBook was Java 5. This is the screenshot: Can I somehow update Java 5 to Java 7? ...
0
votes
1answer
133 views

JavaScript problem while installing NetBeans and JDK in OS X 10.5.8 - Leopard

I downloaded the newest version of NetBeans and JDK and wanted to install it on my MacBook that runs on OS X 10.5.8 but I couldn't. This is the screenshot I made : Maybe since the this OS X version ...
2
votes
1answer
1k views

Where is java? Java Control Pannel has disabled “View” button and Terminal still response with “No Java runtime present, requesting install”

I installed java from the oracle's website. Now I have a Java Control Panel in the System Preferences. But in the tab "Java" of Java Control Panel there is the button "View" disabled. And if I ask ...
2
votes
1answer
714 views

Can't run Intel Driver Update Utility on OS X

I cannot run the Intel Driver Update Utility on OS X Mountain Lion (10.8.5). All Java options are enabled (have tested in Safari, Firefox and Chrome) and latest Java version installed. It keeps saying ...
3
votes
2answers
2k views

Does Java come pre-installed on Mac OS X 10.7/10.8 and beyond?

Does Java (the JDK) come pre-installed with Macs on OS X 10.7/10.8 and beyond? I am hearing Apple is going to stop shipping Java with 10.8 and beyond but I couldn't find any link to confirm it/deny ...
1
vote
1answer
221 views

How to migrate from JRE 1.6 to JDK 1.6?

My Mac Mountain Lion came with JRE 1.6. However, I would like to have the full JDK. I read somewhere that for that on Mac it is better to consult Apple rather than Oracle for downloads/install ...
1
vote
1answer
102 views

Malware? .systemRootModeFile in ~/users/me/library

Non-techie person asks: There is a .systemRootModeFile in ~/users/me/library. Is it malware, something horrible? In the hidden library folder in ~/users/me I have a folder named .f5cd. Inside that ...
0
votes
2answers
96 views

How Can I install Java on mac [duplicate]

I want to install java plug-in in firefox . I read that installing java plug-in is not secure. EDIT1 : Can anyone please tell me why java installation is not secure, and should I install it or not. ...
5
votes
2answers
7k views

JAVA_HOME error while maven build, OSX-10.8.4 Version

Error: JAVA_HOME is not defined correctly. We cannot execute /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home/bin/java I have upgraded my OSX to 10.8.4. After OSX upgrade I ...
0
votes
1answer
2k views

How do I enable Java to do JNLP in Safari?

We use the Java Network Launch Protocol to load up our applications at work, but it's failing for our Mac users now. I VNC'd into my test Mac to give it a test, and it appears that nothing happens at ...
3
votes
1answer
1k views

How to launch apps that require Java on Mountain Lion with only Java 7 installed?

Just got a brand new MacBook Air which shipped with Mountain Lion 10.8.4 and no Java installed. There is a /usr/bin/java, but running it would prompt me to install an Apple-distributed Java 6 runtime ...
1
vote
1answer
4k views

Disable Java Auto Update Prompt for 1.7u25 on Mountain Lion

I'm having a heck of a time trying to disable the option "Check for updates Automatically" I ran composer to see what plist was being modified and it looks like ...
-1
votes
1answer
168 views

Amount of 'free ram memory', does that mean I should upgrade?

I regularly run several Java applications. There are about 4 applications that eat up a gig of RAM each(as I see in the Activity monitor). For the rest of the OS, I guess it is using another 3 gigs. ...
0
votes
1answer
313 views

Java class file could not be launched on startup

I'm not sure what happened but now when I boot up my Mac I get this message that pops up every time: "The Java class file "myClass.class" could not be launched. Check the Console for possible error ...
0
votes
1answer
3k views

Mac OS X 10.8.4 cacerts default password

Yesterday I upgraded my Mac to Mac OS X 10.8.4, along with it came an update of the Java JRE (version 1.6.0_45). I want to add a certain CA to the list of trusted CAs by issuing sudo keytool ...
1
vote
2answers
273 views

How can I find my Java directory in 10.8.3?

I'm trying to run a Lejos application on an NXT. For it to work I need to set up a profile page with the path of Java. I know that Java doesn't come pre-installed on my Mac version, so I downloaded a ...
3
votes
4answers
17k views

Developing iOS apps on Windows 7

Please read my question fully, I searched many questions but that doesn't answer my question fully. We are planning to develop an iOS app using PhoneGap, so we have also purchased $99 Developer ...
0
votes
1answer
528 views

Fixing Netbeans 7.3 freezes (on startup) on OSX Mountain Lion Macbook Air

I encounter the following issues with my Netbeans 7.3 installation on my OSX Mountain Lion Macbook Air. When launching the app, it bounces in the Dock for about 2 minutes before it simply stops. ...
1
vote
1answer
260 views

Where did the update notifications for Java and Safari 6.0.4 go?

Yesterday my Apple Store came up with the list of new updates available, including Java and Safari 6.0.4. Since it was late I decided to wait till this morning to do the update. Now the same list ...
0
votes
1answer
966 views

Problems installing Java 7 update 17

When trying to use my online bank, I was directed to the Java update site (again). I downloaded and installed Java 7 update 17, and the installer reported that everything was a-ok. Clearly, that was ...
1
vote
0answers
222 views

How can I increase java heap size on my Mac running PS3 Media Server?

i've some issues running ps3 media server on my MacBook Pro 13" on OS 10.8.3. When I want to play a MKV on my xbox throught PS3 MS, no matter which movie I try, it plays only for 10s then the java ...
5
votes
1answer
11k views

Make Minecraft (or Java Preferences.app) run on Java 7

Minecraft (and probably some other applications) won't run on a System with the preinstalled Java removed and the current JDK 7 installed. I already symlinked the Java 6 directory to the current one. ...
12
votes
3answers
5k views

How safe is it for me to install Java on OS X 10.8

I know very little about how Java works and its interactions with OS X, so I'm partly looking for an expert and simple description on how Java works on the Mac, and why so much press includes "fear, ...
1
vote
0answers
1k views

Do Java security settings in Mountain Lion cause java.lang.ExceptionInInitializerError?

In a nutshell, I have a java app that crashes in java.lang.ExceptionInInitializerError and I'm looking to see if my OS/Java settings might be causing this error. I cannot change the security settings ...
2
votes
0answers
329 views

How to install Java 6 on Mac OSX 10.75

I am no longer finding Java 6 on my Mac. I suspect when I upgraded to OSX 7.5 it upgraded my Java. I am running an open source project that must be in Java 6. I can only find Java 6 for OSX 6 Is ...
0
votes
0answers
255 views

JDK 7 & java_home

I am using OSX Mountain Lion, and I am trying to install Glassfish Server EE. I have also installed Java7 from oracle. When I check for my java_home by this line /usr/libexec/java_home I get ...
0
votes
0answers
224 views

Setting JAVA_HOME on Mountain Lion

IS this line enough for setting JAVA_HOME in OS x mountain lion: /usr/libexec/java_home -v 1.7.0_17 --exec javac -version I have seen other solutions, but I can figure out how i should use them. ...
2
votes
3answers
374 views

How to avoid Mountain Lion to asking for an Java installation?

I uninstalled java today by using this guide. Since then I get an dialog which asks me for installing java. This happens every time after a login to my user. How can stop this request or how I can ...
2
votes
2answers
1k views

Why is java always running?

I have a MacBook Air running 10.8.3. I have Java running almost all the time and it is consuming ~500 MB of RAM. I didn't start Java, and—as far as I can tell—nothing that uses Java is still running. ...
1
vote
1answer
519 views

Need JDK6, but JDK7 won't go away!

I'm running Lion (10.7), and need to use JDK 6 for development, but previously I had installed JDK 7 and I can't seem to get it uninstalled. I ran the JDK 6 installer and seems to be installed in ...
0
votes
2answers
537 views

Can't play an Online game that requires Java

Some games online require Java to play, however it says that I have a missing plug-in. I am worried that I might get the java-exploit if I downloaded Java, any advice ?
0
votes
2answers
145 views

Can I deploy Retina with any JAVA version at all?

I tried Java 7, then Java 6 (Apple's) but my Java (Swing) desktop applications behave as if I had a MacBook Pro instead of a MacBook Pro Retina. Is there any setting I need to change somewhere? Must ...
1
vote
1answer
755 views

How to reenable Java Preferences

After installed JDK7, I disabled Java 1.6 in Java Preferences. Then I found the system cannot launch jars by new JDK 1.7, so I want to reenable 1.6, but I cannot relaunch preference again, it told me ...
2
votes
0answers
2k views

Did my OSX 10.8.2 computer crash or go to sleep due to inactivity?

I left a Java program AppMain running on my Retina MBP overnight and in the morning it looked like the program died at around 12:46am before completing. Since the program works fine when I am actively ...
2
votes
0answers
116 views

Figure out which app is using Java

If I check my activity monitor there is an instance of java that is constantly taking 5% CPU or more. I know that there is some app that are using java on my system and therefore my question is: Is ...
0
votes
1answer
1k views

Can I safely remove /usr/bin/java from Mountain Lion 10.8.2?

If I do so, will something, such as a service, break?
1
vote
1answer
191 views

What is installed with Java 7?

Inspired by this question on Stackoverflow, I noticed that my Java control panel reports that I have the latest version of Java installed (and I know that, because Safari is not blocking the plugin ...
0
votes
1answer
284 views

Problems running Britannica 2013 in OS X 10.8

I recently installed the Encyclopædia Britannica 2013 Ultimate DVD in my Mac running OS X 10.8.2 Mountain Lion. In the box is stated that only 10.6 - 10.7 versions are supported, and indeed I've run ...
2
votes
0answers
197 views

How to disable/bypass Safari outdating/blocking/disabling plugins? [duplicate]

Although I wrote the question in a general way, my example is pretty specific. Tonight, as soon as I got into a site that uses Java, Safari told me (nice alert window, though :-)) that Java should be ...
7
votes
2answers
2k views

How to install Java 7 next to Java 6?

I am using a MackBook Pro with Mac OS X 10.8.2. I currently have Java 6 installed: wdb-laptop:~ wdb$ java -version java version "1.6.0_37" Java(TM) SE Runtime Environment (build ...
8
votes
2answers
9k views

How can I circumvent XProtect and re-enable Java Applets?

So, Apple has again updated their XProtect malware definitions to block Java Applets. Unfortunately, my wife's employer's VPN requires an Applet to be run in order to fully establish connectivity. She ...
1
vote
2answers
4k views

Java Applets refuse to work in Safari or Firefox

Mac OS X 10.7.5 Safari 6.0.2 Firefox 18.0.1 Java 1.6.0_37 64 bit Firefox Java Applet Plugin v 1.6.0.37 Safari Preferences has the "Enable Java" box checked. Firefox has the Java Applet Plug-in ...
3
votes
1answer
801 views

Java on Mountain Lion 10.8.2 pitfalls

I downloaded the latest version of Java from Oracle site and installed it on my mac. MacCris:~ cris$ java -version java version "1.7.0_11" Java(TM) SE Runtime Environment (build 1.7.0_11-b21) Java ...
1
vote
0answers
27 views

Is there an application to analyze this which application created a generic process in ram?

I noticed a generic "Java" process is using between 1-2GB of Ram after I upgraded to Mountain Lion. I know a lot of the apps I use require java. I have closed out all my apps and still it is using ...
6
votes
2answers
21k views

How do I turn a folder into a .jar file?

I currently have modified a program that is a .jar file. I had unarchived it and turned the .jar file into a folder so that I could edit it. Now all I need to do is change the folder back into a .jar ...