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Questions tagged [java]

Java is a cross-platform programming language created by Sun Microsystems and is now owned by Oracle. Do not confuse this tag with JavaScript or JScript.

1
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1answer
18 views

Python on High Sierra “No Java runtime present, requesting install”

I have python code that works just fine in multiple other places and "used" to work on my mac, but now when I try to run my code as: python <pythonfile>.py I get an error which says: No Java ...
0
votes
1answer
35 views

Does macOS Mojave comes with java pre-installed?

I just ran which java command and got the output /usr/bin/java I also executed java -version command and also got version information output. So I believe that there is an actual java executable and ...
0
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0answers
5 views

how to read a text file input and load it to FTL template in xml format in java [migrated]

My input has the data of 2 columns seperated by space like this emp.name Tom emp.age 18 dept.name sales I want this details in a xml using ftl template Tom 18 sales Can someone please help ...
0
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1answer
17 views

Do you see video artefacts on your MacBook Pro when opening the Java control panel?

Calling all MacBook Pro 15" 2018 owners, particularly owners of the 2.6 GHz model. Would you be willing to test something on your 2018 MBP? (15”?). Install the latest Java JRE (https://download.oracle....
1
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1answer
85 views

Obtain Java 11 for macOS?

I know in recent years the Java development cadence has changed, becoming much more rapid and more predictably scheduled. New plans were announced for regular Long-Term Support (LTS) releases. And I ...
2
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1answer
33 views

How do I remove java version “1.6.0_65”?

Every single time I try to install the Oracle Java Runtime Environment... I keep being stuck with Apple's Java 6. I have no idea how Apple's Java 6 ended up on my computer in the first place. The mac ...
6
votes
2answers
308 views

Can't set different Java version in Mojave with jenv

I want to have different Java versions on my machine. I installed jenv for that reason. However, I can't set the desired Java version to it. Actually couldn't set any version. I have Java 8 and 11 ...
1
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1answer
26 views

Is Java UDP communication broken on macOS?

I've been trying to figure out why a Java program that uses UDP communication on Windows works 100% fine but seems to regularly drop packets on a macOS build of the JVM (8.x). I saw another thread on ...
0
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1answer
65 views

deleting java from system library on mac

I can't delete java from my mac. I tried deleting it from system/Library, but it says the os mac system needs it. I want to install an older version because a specific website needs it, but it keeps ...
0
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1answer
365 views

In macOS, how to run a JNLP file with OpenJDK 8?

Due to the new license of OracleJDK8, I have to use OpenJDK8. I have installed AdoptOpenJDK8 from Homebrew and it works well. The problem is that I have to launch a Java application from a JNLP link, ...
1
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1answer
35 views

Is usr/local/bin the correct directory to place JAR files?

I have built an application that includes a JAR file I developed and I've had issues trying to run it correctly from the AppleScript application with: set foobar to POSIX path of (path to me) & "...
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0answers
44 views

Accessing specific version of Java in Safari

I am using Safari 12 running on macOS Mojave 10.14. The Web based VM detects the installed version of Java on my Mac as 1.5. For my particular needs version 1.6 is required. I have installed the ...
9
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2answers
6k views

How can I install java openjdk 8 on High Sierra

How do I install OpenJDK 8 on High Sierra? It looks like support for the Java Oracle JDK version 8 will be deprecated after January 2019 Java SE Overview Additionally, it looks like publishing and ...
0
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1answer
833 views

how to get JDK 7 for Mac OS High Sierra

In order to run some tools for a project I'm working on, I need to install specifically JDK 7. I already have JDK 8 up and running. I searched in Oracle and open-jdk web sites but seems to be ...
4
votes
1answer
189 views

Upgrading from OS X El Capitan to macOS High Sierra

I'm in the process of planning an upgrade from OS X El Capitan to macOS High Sierra, and I'm using things like Homebrew, Composer, Elasticsearch, and — by extension — Java. I'm using MAMP Pro with ...
5
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1answer
75 views

Is it safe to install a deprecated Java version?

I have an old version of Photoshop that requires an outdated Java runtime. "More info" takes me to this Apple support page where you can download the older JRE. Seems reasonable enough, but I am ...
1
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1answer
90 views

Can't update to Java SE 8u181 from 8u171 on El Capitan [duplicate]

as part of my update routine, I wanted to upgrade from the installed Java SE 8u171 to Java SE 8u181. Before anyone asks, yes, one software DOES need Java (LibreOffice). Problem is, the install ...
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1answer
94 views

How do I get a standalone (no install necessary) JDK 8 for Java coding on Mac?

I am using a public computer and I want to do some Java coding on it*. I was able to download IntelliJ and I was able to copy it to my desktop and run it (see here), but I was not able to install the ...
0
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1answer
203 views

“Reopen the Java Control Panel” doesn't do anything

From System Preferences, I open the Java icon and it shows: And that's all. The "Reopen the Java Control Panel" button doesn't do anything. There isn't any separate window anywhere. macOS High ...
2
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2answers
2k views

What is the latest version of Java for macOS High Sierra?

On my High Sierra Mac java --version gives java version "1.8.0_172" Java(TM) SE Runtime Environment (build 1.8.0_172-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.172-b11, mixed mode) but in ...
4
votes
1answer
417 views

How does macOS store Unix file permissions in ZIP files

I am trying to extract a ZIP file in Java which was created on a Mac using the built-in archive functionality of the Finder. As the ZIP file contains an application bundle, it is important to retain ...
1
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1answer
84 views

What is “~/.asdasd/asda.jar”?

I found a curious little .plist in my LaunchAgents, and I'm worried it could be a rootkit or other backdoor. Here are its contents: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist ...
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0answers
53 views

OS X stopped opening .jar files through Finder

Yosemite 10.10.5 I have a .jar file that I was able to execute by double-clicking it in Finder. Today, if I try that, it won't open. Sometimes something will appear briefly on screen but disappear ...
2
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0answers
601 views

How to change current JRE on mac?

I would like to change the current JRE from Version 10.0.1 to some previous versions like 1.8 for instance. At the moment Im confused about my current setting. Basically, Java Panel in System ...
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0answers
37 views

Action Keystroke GUI For Mac OS X [duplicate]

EDIT: This post was edited due to the automated "Title" keyword matching function of this site that caused some confusion for us humans with the word "AutoHotKey"
19
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4answers
37k views

How to remove Java 10? Or revert to the previous version?

The Java updater on my Mac installed an obscure version of Java 10.0.1 which I never heard before. The result is that ALL my java apps are not running anymore, which makes Java pointless. The ...
2
votes
1answer
483 views

Unable to execute JAR file

I wrote a small Java desktop application using NetBeans, Java 8 and JavaFX 8 on my MacBook running macOS High Sierra. I can launch it from Terminal by executing a Bash script (mentioned below), but ...
2
votes
0answers
15 views

How to call an external window-app in Scala (or Java) and WAIT for it to be closed? [closed]

I use macOS and, from Scala, I like to call the default text editor on text files. I want the user to be able to edit/modify the file, and be called back / notified in any form when this editing is ...
2
votes
1answer
263 views

“Installing” MySQL JDBC .jar file for MATLAB

Goal: "install" JDBC drivers for MATLAB to use This article indicated that one can put the JDBC driver .jar file in: /Library/Java/Extensions/ .bashrc and .bashrc_profile were configured with ...
1
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1answer
72 views

How to install JRE in a way usable for dev?

I have Java 8 installed by an admin /Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/bin /Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/bin I needed to install ...
1
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1answer
107 views

I found but can't open eclipse.ini (bad parsing)

I know the trick with "show package contents" and I've gone to: $ECLIPSE_HOME/Eclipse.app/Contents/MacOS However, the file in there is 'eclipse', rather than 'eclipse.ini' Furthermore, when I open ...
2
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0answers
171 views

Setting up Wireless on a Brother HL-2270dw on High Sierra

Any ideas on how to set up wireless printing on a HL-2270dw for someone running 10.13.x (High Sierra)? Most of the Brother instructions require 10.11 or 10.12. The SetupWizard Java App crashes on 10....
4
votes
1answer
56 views

How do I create an installer for a macOS app?

I want to create an installer for a Apache Mesos for Mac. I don't want to use brew since that needs several steps and an internet connection and packaging makes one definite version we can push and ...
1
vote
1answer
590 views

Managing multiple Java Installations

After hours of Googling I'm a little depressed with the results.. For work, I have multiple Java Installations, some of them via SdkMan, and some of them seem to found there way into the /Library/...
0
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1answer
619 views

How do I change what's returned by /usr/libexec/java_home

$ echo $JAVA_HOME /Library/Java/JavaVirtualMachines/jdk1.8.0_66.jdk/Contents/Home $ /usr/libexec/java_home --verbose Matching Java Virtual Machines (2): 1.6.0_65-b14-468, x86_64: "Java SE 6" /...
0
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0answers
38 views

Install Jira: issue with java JDK

I am trying to install Jira which requires java JDK. I installed the latest Java JDK and it says it was successfully installed. However I get an error: Unable to locate an executable at “/usr/bin/...
1
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0answers
15 views

How can I make a .jar show up in Recent Items when I have just run it?

I have Tight VNC jviewer in my applications folder. It is a Java application. I want it to show up in the Recent Items > Applications when I run it. How do I do this? As a side note, it also doesn'...
0
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0answers
263 views

Is there a CoreBuetooth Framework for Mac OS X 10.5.8?

Is there a CoreBuetooth Framework for Mac OS X 10.5.8? I have some problems with missing Frameworks. I need a framework for CoreBluetooth. I might also need instructions on how to import such ...
0
votes
1answer
295 views

Setting JAVA_HOME not working in Sierra

I have following versions of Java: $ /usr/libexec/java_home -V Matching Java Virtual Machines (4): 9.0.1, x86_64: "Java SE 9.0.1" /Library/Java/JavaVirtualMachines/jdk-9.0.1.jdk/Contents/Home ...
1
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0answers
226 views

MacOS dock freezes when I launch Java application

I have a late-2016 MacBook Pro (without Touchbar) - MacOS High Sierra 10.13.2 - Java 9 Since one or two weeks, when I launch a Java application (NetBeans, a JavaFX app, Eclipse... etc) my MacOS docks ...
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0answers
520 views

Got a Java process with about 4 GB memory consumption after just starting up macOS

I recently found there is a Java process with more than 4 GB memory in my MBP, and it respawned after I force quit it. After restarting the computer and entering safe mode, the process does not ...
0
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0answers
12 views

cannot use adobe . errormessage says to install java- but I have! [duplicate]

Every time I start my computer a popup window shows up that says "If you want to open CS5ServiceManager you have to install the legacy Java SE 6 Runtime" Why does this show up, and how do I resolve ...
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0answers
398 views

Can't open jar java file because it's from an unidentified developer?

I am running macOS 10.13.2 and I am trying to open a jar file for java. I have tried left clicking to open the file and I have also tried to change the security preferences to Always open but it still ...
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2answers
3k views

CS5ServiceManager Java error shows up at startup of Mac

Every time I start my computer a popup window shows up that says "If you want to open CS5ServiceManager you have to install the older Java SE 6 Runtime" Why does this show up, and how do I resolve ...
1
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2answers
53 views

No compatible version of java 1.5 is available

First thanks for reading my post and willing to help. I'm trying to run a program (MultiWiiConf 2.4, last version now) on my Mac (Sierra 10.12.6) but it won't launch and error No compatible version ...
3
votes
1answer
40 views

Why do I keep getting a request to install JDK on mid 2015 MacBook Pro

After updating to OS 10.13.1 I got messages to update JDK, I have gone to the website, downloaded then installed the update. I then have the website run a check to see if I have the latest update. ...
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0answers
98 views

How to get rid of “Java was recently installed” message every time I start Safari?

Recently, every time I start Safari, I get a popup: "Java was recently installed. To improve security and save energy, Safari did not activate Java after it was installed." I already got the message. ...
2
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0answers
129 views

Can I turn off memory compression for one specific app?

I am using MATLAB on my Mac. Well, MATLAB is running well but not fast -- while there are plenty of free memory, my Mac still compresses MATLAB's memory - from ~2GB to ~600MB -- not to mention the ...
1
vote
1answer
1k views

Jar Launcher.app : where is it supposed to be located at?

On Sierra I installed Java (JDK) and Parallels Desktop. The Windows VM I have in Parallels has decided to set its own (Windows) copy of Java as default for Mac .jar files, which means that whenever I ...
4
votes
2answers
79 views

How do I launch an application with a specific JDK?

I'm on Sierra, and I have one legacy application that requests Java 6 to run. I have Java 7 installed, and I've also installed Java SE 6 from Apple, but I'm not sure how to force the application to ...