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Questions tagged [jre]

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

15 votes
5 answers
106k views

Allowing unsigned Java applications on all sites

Java stopped running unsigned applications one day. Your security settings have blocked an untrusted application from running. The documentation states that I can add a site to an exception list ...
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
0 answers
80 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
134 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
318 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 ...
9 votes
2 answers
18k views

Run unsigned Java applets

Basiclly the same question as Allowing unsigned Java applications on all sites, but for Java 8, where I get the pleasure of seeing this screen: Unsurprisingly, this breaks things for me. Is there ...
0 votes
1 answer
866 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
638 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 ...
3 votes
3 answers
76k views

Changing default Java Runtime Environment from 1.8 to 1.7

I'm currently trying to change the default JRE on my computer from 8 to 7. I was attempting to fix a glitch involving the game Minecraft by updating to the JRE8 beta build, but it seems like that ...
0 votes
2 answers
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 ...
16 votes
3 answers
25k views

Alternatives to Oracle JRE [closed]

I would like to uninstall as many Oracle products from my computer as possible because I don't like that company. However, I require Java for some of my applications, e.g. Eclipse. What alternatives ...
3 votes
3 answers
14k views

64 Bit Windows 8.1 Failure to reinstall Java JDK and JRE

Attempting to update to jre-7u67 from 65 did not appear to work. On reattempting, installation failed with a “Access is denied” message. JDK was still there but I followed recommendations to remove ...
0 votes
2 answers
2k views

JRE not running correctly on Windows 7 64-bit

An application called DosBox Game Launcher (DBGL) requires JRE in order to run successfully. I had it installed and running on my old Windows 7 32-bit machine without any problems. Today I got my new ...
0 votes
0 answers
65 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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