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

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How should I manage different version of Java (JRE and JDK) on Mavericks?

I would like to know what the best way would be to have multiple versions of Java (both JRE and JDK) installed on Mavericks, and also the best way to be able to use these version with Eclipse. ...
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2answers
170 views

eclipse wrong VM related to java 1.7

So I have been searching for hours on this. So I installed java 1.7 on my mac before I realized I wanted/needed to use 1.6. I have managed to change everything so that the command line sees version ...
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1answer
225 views

Is Java for OSX 2013-005 from apple a JDK6, or just a JRE?

I'm setting up my android development environment, and could run all my configurations (eclipse + android sdk) with either jdk from oracle,or java for osx 2013-005 from apple. when I installed Java ...
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1answer
40 views

How do I make my list filter in Java usable in Automator as a service?

A friend of mine has written me a small Java application that is used to filter two lists of words (used for work sadly). Currently I would run the application in the terminal like so: java ...
4
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1answer
539 views

SIGSEGV when trying to install Java EE SDK 7 on OS X Mavericks

I tried to fresh install Java EE SDK 7 Update 45 on OS X 10.9.1 I did export DISPLAY=:0 then sudo ln -sf /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java /usr/bin/java ...
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1answer
75 views

How to get to know which app causes the “would you like to install java?” dialog in Mavericks to appear?

I have apparently had Java installed at some point and Mavericks removed it, which is fine by me. The problem is that some unknown app is constantly trying to run Java, causing this dialog to appear ...
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0answers
21 views

Is it possible to use Oracles Java 7 in general instead of apples Java 6? [duplicate]

i have recently bought my first rMBK and i really love it. i would like to start programming in java and have therefore tried installing two IDEs, eclipse and NetBeans. i have also made sure to ...
2
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2answers
115 views

./ vs normal execution

This is probably a question more for unix systems but because i have it on my Mac Pro i hope i will find an answer here : When i browse to ...
2
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0answers
67 views

Activity Monitor confusion

I have two java programs that run forever until I terminate the process, I start both at once using a script.... Cobrakai$more startCapture nohup startCaptureA.sh & nohup startCaptureB.sh & ...
6
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2answers
466 views

Installer of Oracle jdk-7u45-macosx-x64 hangs on Mavericks

I want to install Java 7 on my Mac which was updated to Mavericks. I downloaded the jdk package from here and after starting the installer I exactly to this point Pressing now Install does nothing ...
2
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0answers
49 views

X forwarding application shows blank window after one successful load

I'm running into a strange issue trying to forward an application from a remote Linux server over X (through ssh). The application (it is a java application---a commercial program, not my own) seems ...
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3answers
5k views

Java - version 1.7.45 - and Mavericks

Chrome refused to run a java app unless i upgraded to .45, which I did my dling the installer from oracle. Java 7 u45. Installer said it worked. Chrome still won't start java. $ which java ...
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1answer
954 views

Is Java 6 on Mavericks safe to use?

I have some web applications (java applets) which have trouble running with Java 7 and java 64 bit. The tech support wants me to install Java 6 and disable Java 7, here are the instructions: ...
2
votes
1answer
3k views

Running Java in “Unsafe mode”

Since the last Safari update (I'm on Lion, 10.7.5), I've been unable to connect to a client's VPN. Their VPN runs via a Java network client from Juniper Networks, and it appears to require ...
1
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1answer
1k 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" ...
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1answer
3k 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 ...
16
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2answers
50k 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? ...
4
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4answers
29k 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 ...
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0answers
125 views

Prevent switching focus to a Java app that launches in a new window

When I start a Java app in a Terminal or Eclipse, OS X launches the app in a new window taking the focus away from the app you launched it from. This is incredibly annoying if for example one has ...
3
votes
1answer
345 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 ...
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3answers
3k 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
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1answer
69 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
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1answer
686 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
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1answer
363 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
929 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 ...
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1answer
150 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 ...
0
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1answer
72 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
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2answers
78 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. ...
2
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2answers
3k 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
1k 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
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1answer
892 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 ...
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1answer
2k 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
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1answer
111 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
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1answer
172 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
1k 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 ...
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2answers
224 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
3answers
16k 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
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1answer
386 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. ...
0
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1answer
253 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
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1answer
892 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 ...
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0answers
180 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
8k 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. ...
11
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3answers
3k 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, ...
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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 ...
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163 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 ...
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0answers
199 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 ...
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0answers
214 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
308 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
722 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
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1answer
443 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 ...