Questions tagged [jdk]

The Java Development Kit (JDK) is a set of utilities that allow one to create software systems for the Java platform. It consists of several tools and libraries.

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Cannot install JDK on Windows 8

I am struggling to install Oracle's JDK7 on my Windows 8.1. I got the jdk-7u51-windows-x64.exe file from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html as I should,...
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Errors when installing jdk 1.7 in linux

When I am installing jdk 1.7 in Oracle Linux by using the following rpm -ivh jdk-7u9-linux-i586.rpm However I am getting the following errors, how can I resolve these errors and install jdk 1.7? ...
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How to install Java 7 on Solaris 9?

Oracle states the following regarding Java 7: This version of the JDK is supported on the Oracle Solaris 10 Update 9 or later OS, Oracle Solaris 11 Express OS, and Oracle Solaris 11 OS ...
Eran Ben-Natan's user avatar
2 votes
2 answers
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Java version issue "Could not determine java version from '12.0.1'"

I am trying to code a minecraft mod, but that is not the problem. I have to extract a folder using the gradlew command: gradlew setupDecompWorkspace The problem: Every time I try to perform this ...
TomCoding's user avatar
2 votes
1 answer
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Cordova, Requirements check failed for JDK 8 ('1.8.*')! Detected version: 11.0.2 on Mac OS

I'm trying to run simple project with cordova on MacOS Mojave 10.14.4: screenshot of error I tried to change the environment variable JAVA_HOME in several ways: export JAVA_HOME="`/usr/libexec/...
user3057645's user avatar
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542 views

gradlew command fails in Android Studio terminal

I'm trying to run gradlew in an Android Studio terminal to setup SonarQube however I get error: ERROR: JAVA_HOME is set to an invalid directory: C:\Program Files\Java\jdk-11 .0.2\bin. Please set the ...
pinglock's user avatar
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Java JRE or JDK silent Update

Is there a way to Auto Update JRE or JDK if an update is available? Background periodically JRE or JDK says an update is available, I would like to do this check using Task Scheduler on system boot ...
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Should I trust download.oracle.com if my certificate does not match?

I've been getting this every time I try to download a JDK 8 update to my MacBook. First, I go here: http://www.oracle.com/technetwork/java/javase/downloads/index.html I click the download location ...
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Cannot compile jetbrains intelij idea community edition on alpine linux

Amazon JDK has an Alpine Linux version, and I downloaded JetBrains's IntelliJ community source code. The ant build stuck at Failed to complete gradle setupJdks setupKotlinPlugin and the ...
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Unable to locate plugin type for IfFileName

When i try to install sonarqube on windows 10, elasticsearch give me this error: wrapper | --> Wrapper Started as Console wrapper | Launching a JVM... jvm 1 | Wrapper (Version 3.2.3) http://...
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Can I move unsupported utilities—like JDK8—into homebrew?

Maybe I'm clutching at straws and/or misunderstanding the whole Homebrew idea, but: I need JDK8 in homebrew, which isn't available anymore to Homebrew due to some licensing issues [e.g., https://...
user3445853's user avatar
1 vote
1 answer
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IntelliJ doesn't see JDK in Linux Mint

I installed IntelliJ 2019.1 on Linux Mint, but it doesn't recognize the JDK. I'm used to it automatically detecting it. I have tried: Manually adding the JDK.  I go to Project Structure and try to ...
Hadya's user avatar
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2 answers
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What's the fitting Java Runtime for files compiled by JDK 12.0.1?

I have just updated my JDK to version 12.0.1. Compiling works like a charm, but I cannot run the files anymore. However, I couldn't find a fitting JRE (like JRE 12 or so). As it seems, there is no ...
Islion's user avatar
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2 answers
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How to change java jdk version?

I want to install the new 11.0.02 java jdk. I tried to use this link: first source and afterwards this: second source Now, using cmd, I run these two commands: java -version ==> the older version ...
user6394019's user avatar
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Java application not picking up app.properties on Widows 10

there is an application that needs certification to work fine, in Linux, there is no problem but I want to run this on a windows machine. I have Installed Java on my windows 10 system. then I ...
Arash's user avatar
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Where is JAVA_HOME expanded to JAVA_HOME/jre?

We have a Tomcat 8 running on Debian 8/jessie. When starting the tomcat using service tomcat8 start we can see INFO: Java Home: /usr/lib/jvm/java-7-openjdk-amd64/jre In /etc/default/tomcat8 we ...
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Java installations are not working for me

So I have been having some troubles with Java. It turned out I had the 32 bit version installed of jdk, not sure why. I uninstalled it to install the 64 bit version instead. However I can't get the ...
Bartel-jaap1234's user avatar
1 vote
2 answers
3k views

Groovy console won't load on Windows 7 x64

I've never worked with Groovy before. I installed the executable and the latest JDK from the Java website. I set my system ENV variables JAVA_HOME to C:\Program Files\Java\jdk1.8.0_77 and ...
user584002's user avatar
1 vote
1 answer
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Switching JRE version

I have JDK 1.8.0_05 64 bit, 1.6.0_45 64 bit and 1.6.0_39 32 bit versions installed on a same machine. I am using this machine for Android app development and it was working fine with Native Android ...
noob's user avatar
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Slow Windows Application Startup

I have Windows 8 Pro/i5 3320M laptop with 8GB memory. Java based applications such as Eclipse, Phpstorm takes about 15-30 mins to load. (i assume issue is with java apps, others work fine). I tried ...
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MATLAB not loading- java NoClassDefFoundError

The installation itself was giving an error: java.util.concurrent.ExecutionException: java.lang.RuntimeException: data starting at 0 is in unknown format but when I deselected Aeromodeling toolbox ...
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Run Java applications with JDK on OS X

Apple in the latest releases of OS X removed Java from default installation so for my needs I installed JDK from Oracle's website. ~ java -version ...
Kreeki's user avatar
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How can I get back Java Preferences after uninstalling JDK 7 on Mac

When I installed Oracle's JDK 7 on Mac (OSX 10.8), Java Preferences disappeared. Now I removed JDK 7, and reinstalled Apple's JDK 6, but still, I don't have Java Preferences in Applications/Utilities ...
amorfis's user avatar
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Make application launcher search for apps in a particular folder?

Everytime I want to run an application with Application Launcher (Alt+F2) in my Ubuntu, I have to make a link to that app and put it in /usr/bin folder, Application Launcher won't search in the folder ...
Hieu Nguyen's user avatar
1 vote
0 answers
454 views

Java swing components are doing strange things

There is a strange occurrence with Java swing components (buttons, text, etc in GUIs) have lately been going haywire for no reason I see. Here's the three things that I've noticed happening: If I ...
covert's user avatar
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Doesn't exists Java JRE 17?

I need the java JRE v17 but I cannot find it. Looking into https://www.java.com I can find only Java JRE v8 only. Looking in https://www.oracle.com/it/java I can find JDK 17 but not its JRE. What I'm ...
Tobia's user avatar
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Double click on jar file dosen't work (turn .jar to .exe)

I am trying to turn my java program into an .exe. With the help of IntelliJ IDEA I created a .jar file and I'm able to run it from my os cmd with java -jar and it works great. When I double click the ....
Jhon's user avatar
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Could not start the game server

I tried to run the game as explained here... https://www.minecraft.net/en-us/download/server But got this error: # java -Xmx1024M -Xms1024M -jar server.jar nogui Error: LinkageError occurred while ...
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JDK 11 windows installation Error: opening registry key 'Software\JavaSoft\Java Runtime Environment'

After installation of JDK 11 and setting of the path in environment variable In a command prompt > java -version returns: Error: opening registry key 'Software\JavaSoft\Java Runtime Environment' ...
Mritunjay's user avatar
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1 answer
156 views

JVM Failed to start while installing java

I installed java, and then realized that it was the wrong version, so I tried reinstall Java, but mid installation it said "JVM Failed to start". I tried to install JDK 1.8.0_221. Any help would be ...
big papa's user avatar
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Java jar crashes when it tries to load a window, no error message

Whenever I run a Java application that has a user interface, it crashes as soon as the window opens. The window is blank white with no content and shown for about 100 milliseconds. There are no error ...
quintin's user avatar
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1 answer
796 views

Change Registry Value for Specific Application Lifecycle Only

Is it possible to override the value of an arbitrary Windows registry key for a specific application lifecycle? My hope is that a temporary registry value can be set with the command line, so that I ...
TiberiumFusion's user avatar
0 votes
1 answer
460 views

How can I update JRE from JDK1.8.0_212 to 12.0.1?

I have already tried over Preferences-Installed JRE and I get information from Eclipse Target is not a JDK Root. Java executable was not found I'm working with Eclipse 4.12.0 on the MacOS Mojave....
leccepen's user avatar
0 votes
1 answer
938 views

Using Oracle JDK with Nix package manager

Can somebody point me to the correct steps to install Oracle JDK with Nix package manager? I tried the following so far: https://nixos.org/nixos/packages.html#jdk - oracle is not there nix-env -i ...
qsd's user avatar
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1 answer
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SQL Developer Can't locate Java on Mac OS

I have downloaded Oracle SQL Developer and when I attempt to run it i get the following message: These are the java settings on my computer: java -version: java version "12.0.1" 2019-04-16 "/Library/...
xupv5's user avatar
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1 answer
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JavaFX Application (JDK and JRE 8) Issue Greenfoot Ubuntu 18.04

I recently installed JRE 8 and JDK 8 to use Greenfoot in Ubuntu 18.04. I know the majority of my Java install works (I can write code in atom and run it with scripts). However, when I try to launch ...
Tomahok's user avatar
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Tomcat started / stopped with error, return code 1

" Make sure you have java JDK or JRE installed and the required ports are free Check the ""/xampp/tomcat/logs"folder for more information " Tell me in detail plz.
govind pathak's user avatar
0 votes
1 answer
266 views

How do I get a standalone (no install necessary) JDK 8 for Java coding in IDE 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, but I was not able to install the JDK due to ...
Sacha T Red's user avatar
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0 answers
169 views

Matlab R2016a on Ubuntu 14.04 and JDK 1.7; Needed? Alternatives?

I have already successfully installed Matlab 2016a on Ubuntu 14.04. As the installer finished wrapping up, it notified me that I was missing some necessary compilers. I noticed that I had forgotten to ...
MechanicalMan's user avatar
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0 answers
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Cannot uninstall java on Mac

I want to downgrade from java 9 to java 8 on my mac (MacOSX High Sierra (Version 10.13.2)) I find the same instructions regarding how to do this everywere everywhere (including on the java site): ...
Alexis Eggermont's user avatar
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0 answers
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How can I launch keytool.exe through a batch script?

For various reasons, I want to make a batch script that can launch keytool.exe from either JRE or JDK. I thought this would be rather simple, but it has proven to be rather difficult. Here are some of ...
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Set SDK and JDK in Unity this get an error message

I try already half day in Unity to get to run an AR App with Vuforia. The app should be for an ODG R-7 glasses (on Android basis). If I click on "Build and Run", then I will be prompted to specify a ...
username's user avatar
0 votes
1 answer
3k views

Unable to install JDK 8 in Windows 7 64 bit machine

I have tried multiple times now to install jdk 8 in my windows 7 64-bit machine but have failed. I have downloaded the 8u111 setup file named "jdk-8u111-windows-x64.exe" and 8u112 setup file named "...
Nirvana's user avatar
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0 answers
100 views

jdk8 executable not launching on windows 10 x64 no errors

I have downloaded the jdk8 installer executable for windows x64 from The following link (oracle): http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html The file that ...
TanyaV's user avatar
  • 101
0 votes
1 answer
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JDK version mismatch on OSX

I've been developing in Java on OSX without issue for a couple of issues. Yesterday, I started getting weird compiler crashes (NPEs deep in javac). I installed JDK 1.8.0_101, but javac is reporting ...
Martin's user avatar
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Stopping MS Windows 10 from uninstalling Java's JDK

My laptop runs MS Windows 10 Home OS. I've got JDK (Java Development Kit) at version 7, that I use for software development. The current available version of Java SE (Standard Edition) is version 8, ...
ucas's user avatar
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0 answers
187 views

Downgrading from java se 8 to java se 7?

I built a web application in JAVA SE 8 using tomcat 8 but my hosting provider uses java se 7 and tomcat 7 on their web server. That's why I am getting error while deploying it. Please tell what i ...
palak sharma's user avatar
0 votes
1 answer
972 views

Java SE Development Kit 7 Update 71 failed

I want to install Xamarin in Windows 8.1. It requires to install Java Development Kit 1.6 or above (32-bit). When I try to install JDK, I get this error message" I'm using Windows 8.1 x64. How can I ...
Nived Narayanan's user avatar
0 votes
1 answer
177 views

How can I isolate a JPNLP (web deploy) Java version from other, legacy versions on the computer?

I have a JNLP that runs the following shortcut when installing: C:\Program Files (x86)\Java\jre1.8.0_25\bin\javaws.exe" -localfile C:\Users\akelly\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\42\...
makerofthings7's user avatar
0 votes
1 answer
322 views

Debian, shell and jdk 8

I'm trying to download jdk on debian 7 using wget command wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u25-b17/jdk-8u25-linux-x64.tar....
Maciejze's user avatar