Questions tagged [openjdk]

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I cannot install JDK 18 because of "installation in progress: Another Java Installation in progress. You must complete the install.." Error Message

I was trying to install the latest version of JDK(Java Development Kit) which is version 18.0.1.1 during the installation, my computer suddenly switched off. I switched it on and try the installation ...
0 votes
1 answer
1k views

OpenJDK 18 is installed, but BuildTools thinks its Java 11?

I'm trying to run Minecraft Spigot BuildTools.jar on Fedora 35, but it says I only have Java 11 installed. The runtime environment version is 18. What am I doing wrong here, or is this a bug? [banana@...
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1 answer
721 views

Run java application with OpenJDK

I am trying to run this application on my machine (Windows 11). I installed the latest version of OpenJDK from here. In my command line I can write > java -version openjdk version "17.0.2"...
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How can I install OpenJDK with Project Loom on Windows 11?

Is there an installer for OpenJDK with Project Loom on Windows 11? When I try to use the traditional approach of cloning the GitHub repo, the readme there advises two options: Use Cygwin, but that is ...
1 vote
0 answers
186 views

Why is my installation of latest Java OpenJDK failing?

I am trying to build the latest Java OpenJDK on Windows 11 from source using Cygwin, from the Git repo https://github.com/openjdk/loom Following the instructions in the README.md there, I see If you ...
0 votes
0 answers
394 views

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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1 vote
1 answer
140 views

How to install Open JRE in RHEL 8.3 without registration

When I try to install packages to RHEL 8.3, I see : Updating Subscription Management repositories. Unable to read consumer identity. This system is not registered to Red Hat Subscription Management. ...
3 votes
1 answer
5k views

Upgrade from OpenJDK 11.0.7 to 11.0.11 causes SSLHandshakeException: No Appropriate protocol (protocol is disabled or cipher suites are inappropriate)

I have a Java application that connects to an IMAP store and checks for messages. This runs on an Ubuntu 20.04.2 LTS focal on AWS. It is running on Java 11 (OpenJDK). All was working fine, until on ...
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0 votes
1 answer
964 views

How to install Java 8 on Kali Nethunter

Guys I need to install jdk 8 for my programs to work better, many programs do not support the version higher than Java 8 so I want to install Java 8 to run better, I tried to install via apt-get, but ...
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4 votes
3 answers
539 views

On Fedora, why do I have to install a devel package to get javac?

From what I've heard 'JDK' stands for Java Development Kit, and on Debian based systems you install default-jdk to get a running javac. However on Fedora (at least the recent ones) installing java-...
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2 answers
2k views

Freemind on Windows: EXE wrapper not recognizing OpenJDK

I am trying to run Freemind 1.0.1 on a Windows 10 machine with OpenJDK. When I try to launch it from the Start menu or try to open a .mm file in File Explorer, I get an error message saying This ...
1 vote
1 answer
1k views

How to use vscode-java v0.65.0 with older java jdk<11 (64bit) or with any compatible jdk at all (32bit)?

32bit and 64bit This question is tailored for those who do some research on how to use an older java than java 11 (e.g., Java 8) on vscode-java, thus for those who do not run into the error of "...
0 votes
1 answer
141 views

Why I can't start pycharm 2019.3.1 on ubuntu?

First, I downloaded pycharm using snap, and I edited the pycharm64.vmoptions file. Then I wasn't able to launch the software, so I uninstalled it. After that, I downloaded the pycharm.tar.gz file ...
0 votes
2 answers
469 views

How does IHOP calculated in G1 GC for starting concurrent marking cycle?

I'm trying to understand how G1 GC calculates the marking threshold and how it uses the values of -XX:InitiatingHeapOccupancyPercent and -XX:+G1UseAdaptiveIHOP determine the marking threshold and with ...
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5 votes
1 answer
3k views

Debian 10 - Oracle JDK not showing up in update-alternatives

Inside a Debian 10 VM I have first installed OpenJDK 11, and it was all OK. Then I have installed Oracle JDK 13 according to instructions posted in Computing for geeks, that means wget-ting the .deb ...
2 votes
1 answer
5k views

Uninstall openJDK 12

I need to replace JDK 12 with JDK 8. However, I cannot figure out how to uninstall it. I searched a lot through the internet and everywhere they recommend just to use the common uninstall via apps. ...
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0 votes
2 answers
741 views

OpenJDK 11 missing default localization

I have a problem with a Java Swing application I wrote. Since JDK8 there were always standard localization texts for all the Swing components. These were chosen by the locale set in the Java ...
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1 vote
1 answer
2k views

How to install open jdk 12 on debian?

I tried to install openjdk 12 using sudo apt install openjdk-12-jdk, but throughout installation process, it changed to the Oracle jdk 12 package.
5 votes
1 answer
4k views

Is Java Control Panel still available in OpenJDK?

My team has upgraded from JDK 8 to JDK 11. Previously we configure web proxy settings in Java Control Panel (javacpl.exe); now we can't find this utility in JDK 11. We don't have jre folder in the JDK ...
4 votes
0 answers
983 views

cannot find openjdk-11 for RHEL7

I have been trying to install java-11-openjdk-devel required for NetApp AIUM 9.6 on a RHEL 7.5 server. As per Redhat developer portal "https://developers.redhat.com/openjdk-install/#" package could ...
4 votes
3 answers
9k views

openjdk-8 for Debian 10

I need to install openjdk-8 on a docker container based on the latest python image (debian 10), but the openjdk-8-jdk package has been removed from the stable debian repository. I've already tried ...
0 votes
1 answer
2k views

Install Open JDK 8 on CentOS 7.4

I have an Ec2 instance running CentOS 7.4.1 and I'm trying to install open JDK 8 onto it. This is the command I'm using to install Java: sudo yum install java-1.8.0-openjdk-devel It produces the ...
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1 vote
1 answer
659 views

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 ...
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1 answer
353 views

OpenJDK doesn't get recognized even though the system variables are set

Basically what the title says. The error is "This application requires a Java Runtime Environment 1.6.0" The application I am trying to run is the FTP legacy launcher which is a Minecraft launcher. ...
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1 vote
2 answers
5k views

How to install open-jdk 7?

I need to install open-jdk 7. I know it used to be possible to simply type sudo apt install openjdk-7-jdk, but this doesn't work any more. I know that Java 7 has become quite obsolete, but it is ...
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9 votes
1 answer
20k views

Does OpenJDK contain a JRE?

I recently uninstalled all Oracle Java products and installed OpenJDK from https://jdk.java.net/11/, on my Windows 10 system, because I'm planning to develop some Java applications. In order to ...
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0 answers
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DocFetcher can't run because it is missing java even though openJDK is installed

Problem: I'm trying to run DocFetcher. But I do have it installed: What do?
4 votes
3 answers
18k views

OpenJRE instead of Oracle JRE

Is there an equivalent openJRE like openJDK? I would like to use openJRE if possible to enable java in Internet Explorer instead of Using Oracle Java Is it possible to Enable Java Applet in Internet ...
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0 votes
1 answer
2k views

Tomcat 8.5.37 failling to run application with Open JDK 8.u192 from AdoptOpenJDK in Eclipse

I was using the Oracle JDK but to avoid license issues I'm migrating to OpenJDK. I've opted for Windows AdoptOpenJdk 8_192, but I'm having some issues when running it with Tomcat 8.5 in Eclipse (this ...
10 votes
3 answers
11k views

Are there performance differences between OpenJDK and Oracle?

Oracle has recently decided to start charging for commercial use of their JVM. Our team has started to switch over to using OpenJDK instead, and are finding everything seems to be working fine, ...
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3 votes
1 answer
4k views

Fedora 28's "JDK" is missing the compiler, javac; How do I properly install it?

I installed a fresh download of Fedora Server 28 and it didn't come with Java. Fine. I ran yum list, and found some packages to install and installed all the most suitable looking JDK packages. ...
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1 vote
2 answers
68 views

Dependices doesn't fit (java 8) installing JOSM on Linux

I wanted to install JOSM on old Mint (https://josm.openstreetmap.de/wiki/Download#Ubuntu). So I added file josm.list to sources.list.d containing one line: deb https://josm.openstreetmap.de/apt ...
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0 votes
0 answers
164 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 ...
0 votes
1 answer
811 views

Debian 8 openjdk-8-jre-headless installation fail

I have a VM I'm using to test out things with tomcat8. Since, my PC has java8 installed (and I personally don't want to fall back to java7), I tried installing JRE 1.8 on the "server" vm. Since I'm ...
1 vote
0 answers
633 views

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 ...
2 votes
1 answer
1k views

Download Java 1.7.0 JDK for CentOS

I have a CentOS 5.2 32-bit machine, which I can't connect to the internet. As Java Oracle does not seem to work, I would like to try using OpenJDK, but therefore I need to install OpenJDK first (...
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0 votes
1 answer
3k views

Install openjdk 8 on Mint 17.3

I am trying to install openjdk 8 on my Mint 17.3 It is based on Ubuntu 14.04 which does not have openjdk 8 in its repositories. Although, I was able to find a link where someone just says that it is ...
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0 votes
1 answer
4k views

Update Debian8 JRE 1.7 => 1.8

The OpenJDK website reports installation is a simple one line operation. Debian/Ubunutu is specifically referenced in the instructions. http://openjdk.java.net/install/ sudo apt-get install openjdk-...
0 votes
1 answer
1k views

Update Path of JGrasp to use Different Compiler Settings

I have a Cloud 9 programming hosted workspace from which I run a vnc client. This client is an X11 interface which I can access through an updating html page, and I have the following problem (yes, ...
0 votes
0 answers
221 views

Prevent OpenJDK from overriding Oracle's Java installation

Currently using Lubuntu 15.04 x64. I have had this problem twice now. I install the official Oracle Java (version 1.8) successfully, after which an automatic update (at some point later in the week) ...
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3 votes
3 answers
26k views

Can't start Pycharm due to inability to detect graphics settings

I just downloaded the PyCharm IDE on my Feodra to play around with Django. I am unable to run it due to some graphics environment problem, which doesn't tell me much. I have downloaded and installed ...
0 votes
2 answers
9k views

Configure Java 7 Firefox Plugin on 64-Bit Cent OS

I configured Java on my Cent OS 64-bit machine by running the following command yum install java-1.7.0-openjdk.x86_64 But I cannot find the "libnpjp2.so" file as mentioned here: http://www.oracle....
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0 votes
0 answers
76 views

Recompiling open-jdk, there is no makefile

I have modified a source file in open-jdk-6 and now want to rebuild it. In all guides it is stated that the build process is done via make. However I don't see any Makefile or target. $ pwd /usr/...
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1 vote
2 answers
2k views

OpenJDK crashing and autoclosing programs

I use Debian Wheezy, and frequently make use of Java applications that are famous for being memory-hungry (namely Eclipse variants NetBeans and Aptana Studio 3 on RadRails or PyDev modes). I was ...
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3 votes
3 answers
2k views

Remove openjdk without removing tomcat

When i want to remove openjdk it says that tomcat will be removed too. apt-get remove openjdk-6-jre-headless Reading package lists... Done Building dependency tree Reading state information......
1 vote
1 answer
79 views

OpenJDK JRE textboxes become read-only after window loses focus

I have had this glitch happen in the DrJava IDE and in the Arduino IDE. I can edit code and stuff just fine until I switch to another window and back. All I can do at that point is position the ...
0 votes
1 answer
300 views

Fail to build openjdk 7 update 6

I downloaded the archive of openjdk 7 update 6 from this page: https://jdk7.java.net/source.html I tried to build it by following the README-builds.html but failed with lots of errors like "...
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2 votes
1 answer
2k views

Compiling OpenJDK 7 without X

I am trying to compile OpenJDK 7 on a headless RHEL server. I have no desire to install a bunch of miscellaneous X dependencies just to build it. Is there any way to compile OpenJDK 7 without Swing/...
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17 votes
3 answers
25k views

Suppressing the “Picked up _JAVA_OPTIONS” message

I'm using _JAVA_OPTIONS to set some defaults for Java on RHEL. It works fine but now every time I start java I get the following message Picked up _JAVA_OPTIONS: -foo -bar -baz is it possible to ...
2 votes
1 answer
168 views

Compiling OpenJDK 7 with Arch Linux complains about ALSA

I downloaded icedtea2.3.3 and installed alsa-lib alsa-firmware, ./configure doesn't give any error, but make complains that ALSA 0.9.8 or higher is needed. Actually, ALSA 1.0.25 is installed. What ...
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