delete all jvm's

java-programmer, delete all jvm's I think I have a corrupt JVM on my machine. I would like to delete all
JVM's and just install the sun JVM. Could anyone tell me how to delete
all JVM's.

Aidy

java-programmer >> delete all jvm's On Thu, 1 Dec 2005, aidy wrote:

> I think I have a corrupt JVM on my machine. I would like to delete all
> JVM's and just install the sun JVM. Could anyone tell me how to delete
> all JVM's.

It depends on a few things. 1) Which operating system are you using? 2)
How did you install the JVMs in the first place?

I'm going to guess that you are using Windows. I'm going to guess you are
not fully aware of how the JVMs where installed. If my assumptions are
wrong then disregard this message.

IMPORTANT: deleting files from your computer could make your computer
malfunction. I take no responsibility for any damage that might occur to
your computer. This should remove all Java from your computer.

NOTE: if some software installed its own JRE doing this might disable that
application. For example, if I installed WebLogic Application Server I
will find it installed a Sun and JRockit JDK. I never remove them.

- Find all occurances of jvm.dll, java.dll and java.exe.
- Note the directory path, e.g. C:\Program Files\Java\jre1.5.0_03. Ignore
files in the system directories, e.g. C:\WINNT\ and C:\WINNT\system32.
- Go to Add/Remove Programs and remove all occurances of Java.
- Edit your environment variables. Remove all reference to Java in the
PATH and remove the CLASSPATH.
- Go to the directories containing Java binaries, as noted above, and
delete all the files and folders. EXCEPTION: do not delete the system
directories.
- Go to C:\Documents and Settings\<login>\Application Data\Sun, where
<login> is your Windows login, and delete the Java folder
- Go to C:\WINNT and delete the Java folder
- Go to C:\WINNT\system32, find and delete all files starting with Java.
- Go to the Start menu and using Run... run regedit.exe. NOTE: deleting
things in regedit.exe gives no ability to undelete. It does not use the
trashcan. Be VERY careful in there.
- Use Find... to find all occurances of the directory paths noted above.
For example, if you had a JDK installed in C:\jdk_1.4.2_08 then search
for C:\jdk_1.4.2_08.
- Remove the relevent data. Sometimes it will be what you found. Sometimes
it will be the parent folder. You'll have to figure that out on your
own.
- Reboot your computer.

I have never cleaned someone's computer without finding some exception to
the above set of instructions. They server as a guide but generally I have
to delete more or less than what I have described.

Good luck.

--
Send e-mail to: darrell dot grainger at utoronto dot ca

java-programmer >> delete all jvm's On 1 Dec 2005 06:03:01 -0800, "aidy" <email***@***.com> wrote,
quoted or indirectly quoted someone who said :

>I think I have a corrupt JVM on my machine. I would like to delete all
>JVM's and just install the sun JVM. Could anyone tell me how to delete
>all JVM's.

Go into the control panel and select add/remove software.

Then when done delete all files in the corresponding JRE and JDK
directories.

If you really want to be thorough, remove some registry entries as
well see http://mindprod.com/jgloss/registry.html

When you install your new JRE test it. See
http://mindprod.com/jgloss/jre.html#TESTING
--
Canadian Mind Products, Roedy Green.
http://mindprod.com Java custom programming, consulting and coaching.