Questions tagged [jre]
The Java Runtime Environment, comprising of the Java Virtual Machine and standard Java APIs.
124
questions
0
votes
1
answer
108
views
Are Java libraries shared in memory between processes?
On Linux when two processes (programs) use the same native .so library it is loaded only once. The memory that contains the machine code is shared between processes as read-only so it doesn't have to ...
1
vote
1
answer
680
views
JRE Keystore - Can't import certificate in user keystore (wrong password)
I have an issue while importing certificate in users keystore for Java. (in appdata\LocalLow\Sun\Java\Deployment\Security).
I already have made scripts to add certificates to the "machine" ...
0
votes
1
answer
2k
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"...
0
votes
1
answer
1k
views
Raritan Dominion DKX2-464 shows "No video from target server" on remote access
I have bought a used KVM Raritan Dominion KX2-464 device (with firmware 2.7.0.5.2183). Is is out of the support duration. I can connect PCs over CIM devices and can see the screen image, when I ...
0
votes
1
answer
824
views
How to overcome "jni error has occurred" after Minecraft and Java update in Windows 10?
I updated from Minecraft 1.16.2 to the latest version of Minecraft at this time which is 1.18.1, opened the Minecraft Launcher client, selected "Latest release 1.18.1" from the drop down, ...
1
vote
1
answer
328
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. ...
0
votes
2
answers
427
views
Problems launching java programs in Windows Command Line after Java Update 281
After updating Java 8 (update 281) yesterday (2021-02-15) I could no longer use the Single-File Launch in the Windows Command Line. Prior to this I had no problems using this feature but now I get the ...
0
votes
1
answer
147
views
Java (jre) doesn't work anymore, even eclipse won't startup
I have tried to change my java version.I wanted version 14.0.1. There is a version 1.8.0.145, it's still there in a dir in program files.
But now, when type java -version in cmd, it's looking for '...
0
votes
1
answer
179
views
How do I uninstall Java7 from macOs
After April 2015, Oracle will no longer post updates of Java SE 7 to its public download sites. I am inclined to remove Java 1.7 and the JDK permanently from my Mac, if only I knew how to accomplish ...
0
votes
0
answers
146
views
What JREs are available for end-users after Java SE 8 on Windows?
Historically it's always been possible to obtain the JRE from Sun and then Oracle. But ever since Java SE 9, Oracle has only provided updates for version 8.
When I build a program on a later JDK in ...
0
votes
1
answer
125
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 ...
1
vote
1
answer
4k
views
Java Runtime Environment (JRE) not found (linux ubuntu)
I just install java following the easy to follow guide: https://www.java.com/en/download/help/linux_x64_install.xml.
So by step I:
1) Downloaded jre-8u221-linux-x64(1).tar.gz from my browser (...
0
votes
0
answers
3k
views
Java (JRE 1.7.45) not working Internet Explorer 11 and webtop 6.7 applets
I can't get Java to work on IE 11 for an intranet site (Documentum Webtop 6.7), so far I've:
Enable Java in browser in Java Control Panel.
Set security to medium in Java Control Panel.
On user tab ...
0
votes
0
answers
224
views
Bundeling jre with java Swing app on Launch4j
I am on Ubuntu 16.04 and I'm trying to bundle the jre path with my java app in launch4j so that the app can run anywhere without the need of java. But as I run the .exe file of the app on another ...
1
vote
0
answers
3k
views
64 bit java is installed in C:\Program Files (x86)\Common Files\Oracle\Java
I am trying to install JRE 8 64 bit on windows server 2012 r2 but it is getting installed in C:\Program Files (x86)\Common Files\Oracle\Java.
How do I checked: click on windows=>java=>right click=> ...
0
votes
1
answer
1k
views
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/...
0
votes
1
answer
1k
views
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 ...
1
vote
2
answers
5k
views
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 ...
0
votes
0
answers
3k
views
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.
0
votes
0
answers
245
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?
1
vote
1
answer
258
views
Installing JRE from .tar.gz
I am following the following instructions https://docs.oracle.com/javase/8/docs/technotes/guides/install/linux_jre.html#CFHIEGAA to install JRE 9. I downloaded the .tar.gz file moved it to the /usr/ ...
2
votes
1
answer
2k
views
Trying to download eclipse on new computer. Error JRE missing, can't open file
Java is in C:\Program Files (x86)\Java\jre1.8.0_201
When I try to run the eclipse download (https://www.eclipse.org/downloads/) the browser in the picture pops up. The fixes I have come across deal ...
2
votes
0
answers
1k
views
How to create an .exe installer for a Java application?
I am in doubt of which tools select for the job.
I have a Java application composed of a few JAR files (a main .JAR plus libraries) and miscellaneous other files and I'd like to bundle it into a ...
2
votes
3
answers
10k
views
What is the latest Java JRE1.8 that you can install out-of-box on WinXP?
In the past Java JRE 1.8 could not be installed on WinXp. The error message was:
the procedure entry point RegDeleteKeyExA could not be located in the
dynamic link library ADVAPI32.dll
I read ...
2
votes
1
answer
1k
views
Eclipse incompatible java versions - is it safe to install multiple JRE versions?
I installed WindowBuilder in Eclipse Oxygen.3a Release (4.7.3a)
Build id: 20180405-1200
OS: Linux, v.4.15.0-20-generic, x86_64 / gtk 3.22.30
and getting an error:
Eclipse is running under 0, but
...
0
votes
2
answers
445
views
Can I Use Java in the Terminal Without Installing It?
I want to know if there is a way to use commands that require Java (since I'm an Android developer), like the ./gradlew command, without installing the JRE on macOS. Is it possible to do this
0
votes
0
answers
2k
views
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):
...
0
votes
4
answers
1k
views
Installing Jre 8 on Ubuntu
So I am trying to install Java Runtime 8 on Ubuntu Linux 14.04. I managed to get OpenJDK 7 using apt-get but I don’t see any JDK 8. I tried to download Oracle's Jre 8 .tar.gz file and I extracted it ...
0
votes
0
answers
78
views
Internet Explorer Error Message When Running Applet
When I trying to run an applet on Internet Explorer 11 release, I am getting an error message as shown in the enclosed screenshot.
How can I resolve this?
0
votes
0
answers
2k
views
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 ...
1
vote
0
answers
110
views
Strange files shows up in my /home when Ubuntu starts
Recently, I've noticed some strange files showing up in my /home directory every time when I turn on/restart my computer.
They just appears and the names means nothing, I can delet them as normal ...
0
votes
0
answers
237
views
It is necessary to keep the lib folder of the JRE package?
I would like to know whether after installed the Java Runtimes (JRE) on Windows, it is necessary for the webbrowser to keep the "lib" folder stored at: C:\Program Files\Java\jre***\lib, or I can ...
0
votes
1
answer
827
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
637
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 ...
6
votes
2
answers
105k
views
finding location java_home in Windows 10
I need help finding the location of my java_home/bin, or if it even exists. If it doesn't, what more do I need to install?
I am following some installation directions, and one of the steps says:
...
0
votes
0
answers
62
views
How can I run a program that uses Java 6 or 7?
I'm trying to run ColorOracle, a software which simulates color blindness on your monitor. It is written in Java and requires "Java 6 or 7".
I have Java 8 because I foolishly trusted Oracle and ...
-2
votes
2
answers
2k
views
which version of Jave Runtime Environment?
if I have a 64 bit Windows 10 laptop, which version of Java SE Runtime Environment 8u102, Windows x64 Offline or Windows x86 Offline?
2
votes
1
answer
811
views
LibreOffice Macro does not recognize JRE
I'm brand new to using macros and spreadsheets and am having trouble with LibreOffice Calc recognizing the JRE that I have installed. I've spent a day following advice on this topic on other forums, ...
0
votes
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 ...
2
votes
1
answer
827
views
Is it possible to create a WAR file using the Java JRE?
Using the Java JDK you can use the jar command to create a war file:
jar -cvf /tmp/mywar.war *
There is a way to work with .jar files with the Java JRE but can you create jar or war files with it?
/...
2
votes
0
answers
126
views
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 ...
2
votes
2
answers
8k
views
What is java virtual machine and what does it have to do with Java?
I was trying to install eclipse on my Macbook Air. When I run the installer I get this message
There seems no official page dedicated to JVM like other Apps. When I search "install jvm" I ...
2
votes
0
answers
660
views
Java JRE-8u66 installer does not start
I'm trying to install Java JRE update 66 (latest update) but when I click the installer nothing happens. The process is visible in the task manager but without any function.
I have could install ...
1
vote
2
answers
324
views
How to set a command without defining path everytime?
I have a command which is:
./keytool
But I always have to go to this folder to use it:
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-2.b17.el7_1.x86_64/jre/bin
How can I just use the following command ...
2
votes
2
answers
4k
views
Java installation disappearing on Windows 7
I have installed jre version 1.8.0_51 on a 64-bit Windows 7. Some time after the installation I could not run java programs anymore, seemingly because the installation dissapeared. If I run "java -...
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
483
views
Possible to change JRE versions via command line?
We are running into an issue where we must have two concurrent JRE versions installed for a program that doesn't provide backward compatibility.
Is it possible to disable/enable a JRE version via the ...
0
votes
0
answers
3k
views
how to install IBM java on linux
I have downloaded jre pack from IBM site. downloaded file name is ibm-java-jre-7.1-3.1-i386-archive.bin. Not sure how to install this. I couldn't find instructions on site. I can't extract it or just ...
1
vote
2
answers
18k
views
DbVisualizer Error "No JVM could be found .." and "please define EXE4J_JAVA_HOME"
On this download page i downloaded dbvisualizer.zip and unpacked it to a folder.
Starting the dbvis.exe i get this error:
No JVM could be found in your system. Please define EXE4J_JAVA_HOME
to ...
1
vote
2
answers
3k
views
apache-tomcat-8.0.22; Error occurred in initializing VM java.lang.NoClassDefFoundError : java/lang/Object
I have reinstalled JRE with latest version JRE1.8.0_45 .
Whenever I try to run Tomcat :startup.bat this error occurs .
Installation of JRE done with Oracle online installer and was perfect.
...