Questions tagged [openjdk]
Is a free and open source implementation of the Java programming language. It may be installed from the software centre.
591
questions
9
votes
3
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How to get Scilab 6.0.1 working on Ubuntu 18.04 LTS?
I have installed clean Ubuntu MATE 18.04 LTS and installed Scilab from repository here with
sudo apt-get update
sudo apt-get install scilab
After installation I tried to launch it from GUI (...
- 99.9k
5
votes
4
answers
20k
views
JDK Crash when attempting to run Minecraft on Ubuntu 18.04
Trying to install Minecraft on 18.04 and I get the following error.
OpenJDK 64-Bit Server VM warning:
Option UseConcMarkSweepGC was deprecated in version 9.0
and will likely be removed in a future ...
- 59
0
votes
1
answer
17k
views
Command line Java: Error: A JNI error has occurred/Exception in thread "main" java.lang.NoClassDefFoundError
I'm trying to compile/build/run a Java project for the first time on Ubuntu 14.04. The project depends on the CPlex optimization library. I've compiled the code using
javac -classpath .:/opt/ibm/...
- 277
1
vote
1
answer
693
views
Spark Installation
I have installed and checked it with the command java -version which gave the following output:
openjdk version "1.8.0_162"
OpenJDK Runtime Environment (build 1.8.0_162-8u162-b12-0ubuntu0.17....
- 11
0
votes
1
answer
208
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Struggling with Duplicate Java JRE version on Ubuntu
I have installed java jdk 9 and java jre 9 on ubuntu and set the path of both to /etc/environment as /usr/local/jdk-9.0.4:/usr/local/jre-9.0.4/bin then I tested javac -version which prints jdk9 but ...
- 101
3
votes
0
answers
3k
views
How to run an application on a specific Java version?
How can I run an application with a specific Java version? I have three Java versions intstalled:
myuser@mysystem:~$ sudo update-alternatives --config java
There are 3 choices for the alternative ...
- 2,493
14
votes
3
answers
39k
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Java can't find cacerts
I've been trying to setup a java dev environment with no luck. I installed openjdk-8-jdk but I keep getting java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-...
- 771
0
votes
1
answer
6k
views
Change java version from 1.8.0_161 to 1.8.0_151 Ubuntu 16.04
I am using ubuntu 16.04 LTS.
...$ java -version
java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)
...$ ...
- 143
4
votes
1
answer
2k
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Do we lose any functionality by using the openJDK instead of Oracle?
My usage:
I am looking to install Java on Ubuntu 16.04. I don't do any heavy-duty coding, but I was curious what the differences were between Oracle and OpenJDK
What I ran to install
When I run the ...
1
vote
1
answer
2k
views
How can I fix these errors during Talend Open Studio installation?
I'm trying to install Talend Open Studio on Ubuntu 16.04 Server, but I got the following errors while trying to run ./TOS_DI-linux-gtk-x86.sh:
TOS_DI-linux-gtk-x86_64: Cannot open display:
org.osgi....
- 31
2
votes
2
answers
3k
views
How to replace a faulty Java installation with a new one?
I just recently upgraded from 17.04 to 17.10, but in doing so ubuntu semes to have "forgotten" about my JDK 8 installation.
I can still use java:
olian04:~$ java -version
openjdk version "1.8....
- 4,653
0
votes
1
answer
11k
views
Why one of applications thinks that JAVA_HOME is set to openjdk 9 directory? [Not actual anymore]
The application (Cocos2d-x) tells that
JAVA_HOME is set to an invalid directory:
/usr/lib/jvm/java-1.9.0-openjdk-amd64
My /etc/environment contains this:
PATH="/usr/local/sbin:/usr/local/bin:/...
- 2,439
4
votes
5
answers
14k
views
Installing Java 7 in 16.04 and using multiple Java versions
I already installed Java 8, but I don't know how to install Java 7 and how to switch between the two Java versions.
I also want to switch between Java 7 and 8 to update a project I am working on. I ...
- 133
0
votes
1
answer
2k
views
Increase Java’s maximum heap size when using “make” command
I'm working with Android-x86, but the problem I have is with make command, not Android.
I'm trying to compile Android-x86 Oreo as android_x86_64-userdebug using m -j2 iso_img, and I'm stuck in a loop....
user765767
6
votes
1
answer
16k
views
Install exact version of OpenJDK
Ubuntu 17.10 (GNU/Linux 4.13.0-16-generic x86_64)
After installing java with the command:
sudo apt install openjdk-8-jdk-headless
I have java version 8u151
But because of the bug (https://bugs....
- 163
4
votes
0
answers
238
views
Webup8team Oracle JDK 9 removes OpenJDK 9
I try to install OpenJDK 9 and Oracle JDK 9 in the same Ubuntu 17.10 machine, but looks like both are exclusive packages.
If I have installed OpenJDK 9 and try to install the Oracle one, apt is ...
- 936
2
votes
3
answers
6k
views
No Java virtual machine was found when trying to run Eclipse installer
Trying to install Eclipse on fresh Ubuntu. Got error:
If I type java command I have output:
Can I install default OpenJDK or should I go to Oracle site and download Java there?
Why I can't use ...
- 4,537
0
votes
0
answers
962
views
Oracle Java 8 u151 segmentation fault
Any java commands get this error: Segmentation fault (core dumped)
It's happened on ubuntu-desktop-16.04-x64 and Mint too.
Core dump: Program terminated with signal SIGSEGV, Segmentation fault. #0 ...
2
votes
1
answer
1k
views
java.lang.RuntimeException: failed to load system cursor: DnD.Cursor.CopyDrop [closed]
Does anybody know the meaning of this error message?
java.lang.RuntimeException: failed to load system cursor: DnD.Cursor.CopyDrop
After new Install of Ubuntu 17.10 (Xfce), OpenJava1.8., Netbeans ...
- 21
0
votes
0
answers
3k
views
No Java virtual machine could be found from your path
I am trying to install a program that is using Java, but it gets stuck when searching for the JVM.
Running java -version I get openjdk version 1.8.0_151
My current $PATH parameter contains /usr/lib/...
- 143
7
votes
2
answers
7k
views
intelliJ doesn't accept java 9 JDK
I'm trying to use java 9 in intelliJ while using Ubuntu 16.4 with a KDE desktop.
I find myself unable to select my JDK file in the editor. I have java 8 and 9 installed, and currently java 9 is set to ...
- 93
0
votes
2
answers
4k
views
Cannot install oracle-java8-jdk Because java-common cannot be installed [duplicate]
Before someone comes and marks this as a duplicate I would like to mention that I have seen 10 similar problems and I have followed all of the steps but with no use.
I followed
Oracle-Java8-Installer:...
2
votes
1
answer
2k
views
java crashed with SIGABRT in WTFCrash()
on a newly installed Ubuntu 16.04, I was receiving Ubuntu 16.04 has experienced an internal error. there is a bug issue reported about OpenJDK with this error, therefore I completely removed Java ...
- 337
0
votes
0
answers
680
views
Install openjdk 7 on ubuntu 16.04
I cannot install openjdk-7-jdk on Ubuntu 16.04. When I try to
user@pc$ sudo apt-get install openjdk-7-jdk, it fails with:
...
Depends: libgif4 (>= 4.1.4) but it is not installable
...
So I check ...
- 143
27
votes
5
answers
70k
views
17.10 openjdk and oracle jdk 8 and 9 the trustAnchors parameter must be non-empty
I've just installed 17.10 in a fresh VM. Trying to set up a development environment, when I run gradle or ./gradlew I get the following error:
* What went wrong:
Error resolving plugin [id: 'com....
- 469
0
votes
1
answer
792
views
Unable to remove jdk from my Ubuntu System
I'm tried to remove JDK from my system and I used
sudo apt-get remove openjdk-9*
After doing this, I executed java -version command on my cmd it reported this message:
java version "1.8.0_151"
Java(...
- 101
3
votes
2
answers
9k
views
openjdk-8 is not installed correctly
I accidently installed openjdk-9-jre-headless when I actually wanted openjdk-8-jre-headless using
sudo apt install openjdk-9-jre-headless
When I realized it I did
sudo apt remove --purge openjdk-9-...
- 3,356
1
vote
0
answers
111
views
Minecraft launcher giving Java error "the trustAnchors parameter must be non-empty" [duplicate]
On Ubuntu 17.10, the Minecraft launcher keeps giving me "the trustAnchors parameter must be non-empty" error. The full log is here:
user@hostname:~$ java -jar Downloads/Minecraft.jar
Bootstrap (v5)
...
- 11
5
votes
3
answers
18k
views
Cannot find "valid home for jdk" in intellij idea
I'm trying to setup an SDK for intellij idea and I can't find the home for jdk as the error put it.
In the terminal this is what I get
$ java -version
openjdk version "9-internal"
OpenJDK Runtime ...
- 321
0
votes
1
answer
2k
views
Ant for Java not showing as installed but it is installed
today I was having problems and it was pertaining to getting opencv.3.3.0 working on my new computer. I never have had this issue but I switched the day before from using openjdk to oracle jdk and ...
6
votes
1
answer
20k
views
UBUNTU 16.04: How to set JAVA_HOME for Java?
I am following this
How to set JAVA_HOME for Java?
in order to set the environment variable JAVA_HOME to the correct version. I have different versions of java in my /usr/lib/jvm/folder as ...
- 171
2
votes
0
answers
675
views
Ubuntu 17.04 - JDK 9 with IntelliJ IDEA 2017.2.3 issue
To make it simple,
When I tried OpenJDK 9, IntelliJ IDEA won't startup, just showing an error dialog saying something like
com.intellij.ide.plugins.PluginManager$StartupAbortedException: java.lang....
- 21
0
votes
1
answer
637
views
How to remove JDK and keep JRE in ubuntu 16.04
I've installed JDK-8 on my VPS with the command:
sudo apt-get install openjdk-8-jdk
But I just realized I don't really need JDK and JRE is enough for me since I develope my projects on my laptop in ...
- 957
2
votes
0
answers
447
views
Netbeans 8.1 randomly crashes on Ubuntu 17.04 GNOME (Wayland)
I have OpenJDK 8 and Netbeans 8.1 installed on Ubuntu GNOME 17.04,
Wayland. (everything installed from apt, No PPA).
The crash is not observable on GNOME Legacy session. Only on Wayland.
More ...
3
votes
3
answers
40k
views
Java JRE 8 install
I am trying to install Java JRE 8 on my Linux machine (Ubuntu 14.04 (Trusty Tahr)). I've done two things:
The first was follow Java's help page. I downloaded the tarball and installed it using the ...
- 353
1
vote
1
answer
941
views
How to install openJDK 8 on 17.04 LTS? [duplicate]
When I ran this command:
sudo apt install openjdk-8-jre-headless
I keep getting this:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the ...
- 21
0
votes
0
answers
415
views
Various errors while installing java 8 on Ubuntu 16.04 (64 bit) in VM [duplicate]
I am using Oracle VM Virtual Box (Version 5.1.18) to run Ubuntu 16.04. I am using proxy server . I have configured proxy settings in apt.conf and apt.config.In both these files my http proxy is set ...
- 1
1
vote
1
answer
9k
views
NetBeans warning when opening it that the JDK is missing
I have installed jdk version 1.8.0_131 in 16.04, but when I try to run NetBeans it is showing this error:
The JDK is missing and is required to run some NetBeans modules
Please use the --jdkhome ...
- 35
9
votes
4
answers
38k
views
How to install JDK8 on Ubuntu 16?
I needed JDK 8 for Bazel. I ran sudo apt-get install openjdk-8* on a freshly built Ubuntu 16.04.02 machine, but after installation update-alternatives --config java show two paths:
/usr/lib/jvm/java-...
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0
votes
1
answer
5k
views
how to run .jar software on ubuntu (17.04)? [duplicate]
Despite following the recommended command line for .jar file :
java -jar imker-cli.jar
It doesn't work for me :
me@pc:~/Documents/imker$ java -jar imker-cli.jar
The program 'java' can be found ...
- 221
6
votes
4
answers
21k
views
JAVAC and JPS are not present in /usr/lib/jvm/java-8-openjdk-amd64/bin folder
Below is the java I installed in ubuntu 16.04, but I am unable to find Javac and Jps in this. Can someone help how to get them.
$ java -version
openjdk version "1.8.0_131"
OpenJDK Runtime ...
- 101
1
vote
1
answer
1k
views
OpenJDK 7 jre required
I have .deb package when I try to install it with Gdebi it return:
Error dependency is not satisfiable openjdk-7 jre
I have openjdk-8 jre installed but it still appeared
referring to How do I ...
- 11
0
votes
1
answer
282
views
Packet tracer bridge jar file
root@prateek-desktop:/root/ptbridge-master# java -jar ptbridge.jar
OpenJDK Server VM warning: You have loaded library /tmp/packetsocket5426320610063427559 which might have disabled stack guard. The VM ...
0
votes
3
answers
14k
views
Installing a Java Dev Kit [duplicate]
I am fairly new to ubuntu.
I am trying to find a package for the Java JDK to use javac and the other compiler utils included in the JRE.
I cannot however seem to be able to install them (either ...
2
votes
0
answers
1k
views
Java installed and configured but unable to run
I have OpenJDK 8 installed and configured in the path, but when I try to run Java (such as running a JAR), I get the error:
The program 'java' can be found in the following packages:
* default-jre
*...
1
vote
1
answer
771
views
Cannot start Intellij on Ubuntu 14.04 with JDK 1.8
I recently installed JDK 1.8. When I try to run Intellij using the idea.sh script I get the following error:
Unsupported Java Version: Cannot start under Java 1.7.0_80-b15: Java 1.8 or later is ...
- 121
0
votes
1
answer
200
views
A recent 14.04 update broke a java app
The app that broke is an older Adaptec Storage Manager (v4.30), which has worked faithfully for years now until a recent Ubuntu 14.04 update.
The best I can tell is that the problem occurred when ...
- 119
0
votes
0
answers
5k
views
How do I install openjdk 9 jdk [duplicate]
I tried installing openjdk-9-jdk on ubuntu 16.10 desktop with:
sudo apt-get install openjdk-9-jdk
and I had this error at the tail end
Reading package lists... Done
Building dependency tree
...
1
vote
1
answer
983
views
How do I stop oracle JDK from hijacking PATH and breaking update-alternatives?
I installed oracle jdk on ubuntu 14.04. Now I want to toggle back to openjdk:
sudo update-alternatives --config java
sudo update-alternatives --config javac
But it doesn't work. It seems oracle's ...
- 1,111
0
votes
1
answer
2k
views
unable to "java" , "javac" etc. commands on terminal directly and two versions of jdk? [duplicate]
I usually use eclipse , but I said "lets do some fantasy" to myself and things happened. I tried to use terminal command javac at first. I got
The program 'javac' can be found in the following ...
- 121