Questions tagged [openjdk]

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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 ...
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0answers
46 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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1answer
210 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 ...
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0answers
14 views

Why OpenJDK build failed while running make command?

I downloaded openjdk-12 source from Red Hat in Ubuntu 18.04.3. Ran the command bash configure, and got the following message: Build performance summary: * Cores to use: 3 * Memory limit: 3833 MB ...
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1answer
2k 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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2answers
204 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 ...
1
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1answer
992 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.
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0answers
30 views

nested exception is java.lang.NoClassDefFoundError

Env : Java : Open JDK 12 Tomcat 9 Spring 4 When I try to bring up Tomcat server I got the below error. This works fine with Oracle JDK8 with Tomcat8. SEVERE: Exception sending context initialized ...
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0answers
1k 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 ...
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0answers
549 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 ...
3
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1answer
4k 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 ...
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0answers
12 views

Java doesn't seem to be installed

I have installed on Fedora Java 11 (java-11-openjdk.x86_64) on my Fedora system. The installation was successful. However, java -version didn't work, and when entering which java, it said no java in......
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13 views

Netbeans cannot find installed JDKs

I installed Netbeans 11 on Fedora as a flathub application. I have installed java-1.8.0-openjdk, java-11-openjdk and java-latest-openjdk on my system. But I cannot add any of these platforms to ...
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0answers
103 views

What Java to install on Windows 10

Does OpenJDK have JRE that "runs" on Windows 10? Where would this be downloaded from? Which versions "run" on Windows 10, e.g. 8/9/10? Does Microsoft state that Oracle's version is preferred/...
0
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1answer
660 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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0answers
497 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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1answer
179 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. ...
1
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2answers
3k 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 ...
1
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1answer
5k 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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81 views

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?
3
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1answer
6k 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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1answer
1k 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 ...
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3answers
6k 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, ...
2
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1answer
3k 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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1answer
54 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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0answers
156 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
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1answer
716 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 ...
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0answers
554 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
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1answer
839 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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1answer
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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1answer
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-...
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1answer
560 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, ...
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0answers
191 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) ...
3
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3answers
21k 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
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2answers
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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0answers
73 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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2answers
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 ...
3
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3answers
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
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1answer
74 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
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1answer
294 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 "...
2
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1answer
1k 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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2answers
17k 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
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1answer
160 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 ...
1
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1answer
272 views

Using Openjdk in FireFox on Mac OS X 10.5.8

I've got an old PowerMac G5, and I found openjdk7 binaries for my mac! This is great. Now is there a way to use this version of java in a browser like Firefox or TenFourFox, so I can use web apps that ...
3
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0answers
2k views

OpenJDK timezone issues: sun.util.calendar.ZoneInfoFile.getZoneIDs

I'm using Ubuntu 12.04 LTS and recently installed the openjdk-7-jdk using apt-get. For a while all seemed fine, but I realized one of my projects started to break with the following stack: java.lang....
2
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1answer
4k views

Dependencies problems installing openjdk on Ubuntu

I try to install openjdk-7-jre: sudo apt-get install openjdk-7-jre But I have dependencies problems: Reading package lists... Done Building dependency tree Reading state information... ...
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2answers
4k views

Where do I get the 1.6 open jdk rpm to install on fedora 17 [duplicate]

Possible Duplicate: How install older OpenJDK 1.6 in Fedora 17? I note that one can't install the open jdk 1.6 on fedora 17 using yum. Where does one download the open jdk 1.6 rpm to install ...
0
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1answer
3k views

How do I replace OpenJDK 6 with OpenJDK 7 on Debian?

I have just installed the openjdk-7-jdk and openjdk-7-jre packages on my Debian box that already had OpenJDK 6 installed on it. However, when I look at my Java version, I see that it shows OpenJDK 6: ...
3
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1answer
129 views

Significance of OpenJDK being Java 7 Reference?

I have read the announcement of "Moving to OpenJDK as the official Java SE 7 Reference". I know that Sun Java will now be OpenJDK + extra proprietary bits, however I am unsure of how this will ...
1
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1answer
541 views

change installed version of icedtea

I've installed openJDK6 64-bit server on my ubuntu image running in a VM. I installed it here in order to do some testing in comparison with our production environment. however, our production ...