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.

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12 views

Spring batch JobOpertaor.stop(ExecutionID) is taking more time [on hold]

Is there any other way to make the Spring batch job execution = Stopped. except jobOperatot.stop(execution Id). I'm in Dev Environment now. It's taking more time. when I call the stop method the ...
-1
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1answer
35 views

Remove or relocate Java icon in Dock

I am using a MacBook Pro running macOS Mojave with the latest version of Java. When i run my Java program, it shows 2 icons in the Dock. Is it possible to remove 1 or relocate both? I cannot use a ...
2
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0answers
29 views

Allow Java 1.7 app to run without “Install Legacy Java SE 6” message showing up and JRE not JDK

I am tasked with deploying an old Eclipse RCP (Java 1.6) application with minimal or no changes to the code on macOS Mojave 10.14 64bit. The application hasn't been deployed in a long while, the last ...
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2answers
293 views

How to run an app that require Java SDK on macOS Catalina 10.15?

Currently I am getting issue with new macOS Catalina limitation. Every time I run an app that require openJDK I get this message: "openjdk-12.0.1.jdk" can’t be opened because it is from an ...
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0answers
27 views

How to fix scroll lags in posts (only Google Chrome)

When scrolling through an article on a site, when the cursor is on the table, the page starts to slow down when scrolling. Most clearly to see in practice (in Google Chrome, Mozilla ok) https://...
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1answer
48 views

Running Java / Jython process in the background

I am trying to run a Jython script in the background. This is what the script looks like, a_jython_script.py for i in range(10000): print i When I try to run it in the background, it is ...
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0answers
36 views

Java JDK installed via HomeBrew, but an application is erroring out that it cannot load the JRE, is there something else i need to set?

Title says it all. Installed (successfully, no errors) Java via HomeBrew on a fresh install of Mojave. From Terminal, I get the expected responses when I run things like which java and java -version ...
2
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0answers
11 views

“Please wait while Bamboo sets up your instance” taking for ever on Mac [closed]

I am trying to install and configure Bamboo on mac. I have installed it and now at the stage of running the setup wizard. After giving the license and selecting "Express installation", now am stuck at ...
4
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1answer
560 views

What if there is an error message that adoptopenjdk8 exists in multiple taps?

When brew cleanup shows the following error message: Error: Cask adoptopenjdk8 exists in multiple taps: homebrew/cask-versions/adoptopenjdk8 adoptopenjdk/openjdk/adoptopenjdk8 How can I resolve ...
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1answer
30 views

How to enable mouse control (accessibility?) for Java WebStart application?

We have an demo application that our salesman launches through Java WebStart. It works fine, exception on Macs (running MoJave) for a section that uses AssertJ Swing to drive the mouse and the ...
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0answers
62 views

Fix Application launcher from Java 1.6 Legacy to Oracle Java 7

I'm using a Mac Pro 64bit Mojave. Is it possible to create a .command or .sh or some other low-effort "launcher" for a Java program where all of the compiled code is in the "plugins" dir that does ...
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1answer
79 views

On Mac OS X 10.7, Java Control Panel crashes unexpectedly

I'm wondering if this is a serious problem that I should be concerned about. I have the latest version of Java installed (currently Java(TM) SE Runtime Environment (build 1.8.0_212-b10) via command ...
2
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2answers
404 views

Enabling “Hardened Runtime” from outside of XCode

This question is prompted by the new Notarization requirements that Apple will enforce for Mac Apps distributed outside of the Mac App Store targeting Mojave (in the near future.) I maintain a suite ...
2
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1answer
240 views

Did Oracle remove the Java System Preference in macOS?

I recently updated my Java install on macOS 10.14.4 from Java 10 to Java 11, and the Java System Preference pane disappeared after Java updated. I updated Java again on a different Mac running the ...
2
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2answers
204 views

Is it allowed to be an Apple trusted developer with pure Java

I am developing JavaFX with Spring applications that are shipped with native installers for Windows, Linux and macOS. I am hosting the macOS DMG and pkg installers outside Mac App Store on my web site....
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0answers
26 views

Java update failed

Just realized that java on my mini 2012 is 1.6.0_65-b14-468. Therefore I searched for anything newer compatible with JDownloader. Therefore I downloaded 1.8 (jre-8u201-macosx-x64). Apparently the ...
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0answers
81 views

Apache Netbeans 10 binaries not working

I have recently downloaded the Apache Netbeans 10 binaries from the Apache Netbeans (Incubating) site. I extracted the zip file to /Application/netbeans/. But when I try to run /Application/netbeans/...
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0answers
400 views

Using “Jar Launcher” on High Sierra how do I pass command line arguments to a java app (jar)

Is it possible to use "Jar Launcher" on Mac to pass command line arguments to a java app? For example: open myApp.jar --args -hello This ought to run myApp and pass it "-hello" but it doesn't. I'm ...
1
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1answer
62 views

I have Java 8. An app wants Java 6 (legacy one). Can I avoid that?

My government made a Java app to submit tax documents. That app, it's actually a very outdated version of Eclipse. When I run this ugly mess, I get a dialog that prompts me to install Java SE 6 (...
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0answers
44 views

How can a I run a bundled app with Java 11?

I followed the answer to this question to get a bundled app to work with Java 8... How to direct an app to use a specific Java version? I would like to know if I can get it to run with the latest ...
2
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1answer
2k views

How can I upgrade from Oracle JDK 8 to OpenJDK 8 using Homebrew?

If I have Oracle Java SE JDK 8 installed on my mac, how can I upgrade to Open JDK 8? Motivation: Android build tools seem to need JDK 8, but according to the following links Oracle JDK 8 will not ...
2
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2answers
1k views

How can I upgrade my mac to OpenJDK 11 using Homebrew?

If I would have an older version of Java JDK on my mac such as Java SE 8 or OpenJDK 8, what would be a quick way to upgrade to OpenJDK 11 using Homebrew (using the brew command)? Motivation for using ...
1
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1answer
518 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 ...
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1answer
618 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 ...
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1answer
29 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....
5
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2answers
1k 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
433 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 ...
5
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2answers
2k 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 ...
2
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1answer
49 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 ...
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1answer
361 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 ...
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1answer
4k 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
111 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) & "...
1
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0answers
57 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 ...
18
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3answers
26k 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
5k 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
306 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
144 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
107 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
193 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
476 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 ...
5
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2answers
5k 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
622 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
92 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 ...
1
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0answers
255 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
979 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 ...
1
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0answers
41 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"
24
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4answers
57k 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
826 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
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0answers
18 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
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1answer
489 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 ...