Questions tagged [jre]

The Java Runtime Environment, comprising of the Java Virtual Machine and standard Java APIs.

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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 ...
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55 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 ...
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1answer
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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 ...
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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 (...
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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 ...
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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 ...
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587 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=> ...
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1answer
385 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/...
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1answer
853 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 ...
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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/...
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2answers
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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 ...
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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.
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82 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?
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1answer
86 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/ ...
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1answer
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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 ...
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670 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 ...
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2answers
6k 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 ...
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1answer
876 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 ...
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2answers
125 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
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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): ...
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4answers
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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 ...
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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?
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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 ...
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67 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 ...
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68 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 ...
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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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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 ...
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1answer
51k 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: ...
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59 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 ...
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2answers
723 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?
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1answer
711 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, ...
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178 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 ...
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1answer
613 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? /...
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104 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 ...
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2answers
6k 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 was lead ...
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0answers
627 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 ...
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2answers
228 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 ...
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2answers
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 -...
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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
381 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 ...
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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 ...
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2answers
15k 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 ...
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2answers
2k 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. ...
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0answers
101 views

Add websites to JRE8 Java Web Start exclusions list unattendedly (JRE8)

In JRE8, applets on some sites don't start until exception added for these sites: My question is, how to change these setting during or after silent install to allow browser applets from sites we use....
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2answers
3k views

Oracle JRE 7 and 8 both will not install on previously Javaless win7

Simple question I thought I'd never have to ask, since I've done it hundreds of times before: How can I install JRE? I have a Win7 x64 Pro box with no Java environment, running as an admin user. I'm ...
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0answers
141 views

Java Plugin Missing in Chrome [duplicate]

I have JRE installed on my PC, however in chrome Java plugins are missing, it was working fine, since today, Java plugin is missing from Chrome browser. I have installed JRE, but problem still ...
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1answer
5k views

How to scroll horizontally in IntelliJ IDEA under Windows?

I have a touchpad/trackpad I can scroll horizontally with (two-finger scroll) basically anywhere. Not in IntelliJ IDEA, though. Is there a way to make it work there too? (I do currently use Shift+...
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1answer
575 views

Running jar file on Windows - Prompt user to download JRE

On OS X, when I try to run a .jar file, the system would ask me to download Java Runtime Engine if I don't have it installed, which makes sense. However, on Microsoft Windows, that doesn't happen; I ...
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196 views

Can you specify the JRE version an applet should run?

Is it possible to specify the JRE version a Java applet should execute in the browser? e.g. If I have Java 7u17 and Java7u72 installed (32-bit) can the applet request 7u17 to be used? Similarly, if ...
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2answers
13k views

About adding many sites with only different ports to Java Exception Site List

After update Java to Java 8 update 25, the Medium security level has been removed from the Java Control Panel. I am a TA and need to browse many sites from the students. These sites contain Java ...