ms java vitrual machine

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autorun
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ms java vitrual machine

#1 Post by autorun » Mon Aug 07, 2006 4:52 pm

hello there, i have encountered a problem with instaling microsoft java virtual machine on my t30 thinkpad. it just simply doesn't work. i need it to run matlab 6.5 (or 7.x). i tried both win200 and xp systems and nothing works. help me!

Puppy
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#2 Post by Puppy » Mon Aug 07, 2006 5:13 pm

Microsoft Java VM has been stopped by Sun few years ago because it was too good :-) You have to stick with the sluggish Sun JVM crap ...

macklin01
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Regarding matlab and java

#3 Post by macklin01 » Wed Aug 09, 2006 2:14 am

I've installed the most recent JVM from Sun's site with the student edition of Matlab (7.0.1.15 R14 SP1), and it works ... okay. It can be a bit unresponsive, however, and I've noticed that Matlab crashes frequently, particularly if several figures are open.

Have you tried running Matlab with the -nojvm flag? It dumbs down the UI, (in particular, tab completion and the built-in editor), but it should work without java.

Lastly, I'd like to note something that has surprised me: even if you install Sun's jvm, Matlab won't automatically switch to that new version, and you have to swap it manually. (So in fact, Matlab was probably crashing with its internal version of java, regardless of any Sun jvm updates.) The instructions on changing the jvm are here:

http://www.mathworks.com/support/soluti ... 1812J.html

You'll need to set the path to your jvm. In my case, it was c:\Program Files\Java\jre1.5.0_07. You can double-check that your changes were successful by typing "version -java" inside of matlab. I only made this change tonight, so I can't yet say if it reduces the number of crashes.

But I hope this provides some new ideas on what to tinker with. Best of luck, and please keep posting on your success. -- Paul
IBM Thinkpad R51/1836-H7U

Rob Mayercik
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#4 Post by Rob Mayercik » Wed Aug 09, 2006 7:25 am

Puppy wrote:Microsoft Java VM has been stopped by Sun few years ago because it was too good :-) You have to stick with the sluggish Sun JVM crap ...
I hardly think that it being "too good" was the problem.

If this was part of the fallout from Visual J++, it was because Microsoft was trying to "assimilate" the java standard.
T61p 8891-CTO
TP600 2645-45u (Upgraded to PII-400)

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