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MathGroup Archive 2005

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Re: Re: Re: J/Link problem on Mac OS X

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55328] Re: [mg55300] Re: [mg55247] Re: [mg55204] J/Link problem on Mac OS X
  • From: Igor Antonio <igora at wolf-ram.com>
  • Date: Sat, 19 Mar 2005 04:45:45 -0500 (EST)
  • Organization: Wolfram Research, Inc.
  • References: <200503181035.FAA14759@smc.vnet.net>
  • Reply-to: igora at wolf-ram.com
  • Sender: owner-wri-mathgroup at wolfram.com

Mike Honeychurch wrote:
> Todd,
> 
> I'm afraid this is incorrect.
> 
> I invite anyone reading this posting to download JLink_3.0.2_OSX.tgz,
> decompress it and check the version number of Jlink. Unless this has been
> changed since my original post you will see that it is version 3.0.1
> 
> (notwithstanding that JLink`Information`$Version returns "J/Link version
> 3.0.2" when this package is installed.)
> 
> 
> In =System`Private`FindFile["JLink`"]
> Out=/Applications/Mathematica 5.1.app/AddOns/JLink/JLink.m
> 
> Bottom line is that this package does not allow J/Link to work on my Mac
> (Mathematica V5.1, G4 Mac running OS X 10.3.8). No examples in the J/Link help
> reference or GUI kit help reference work with this newly installed package.
> I suggest that whatever gets read to return J/Link version 3.0.2 is not the
> actual Jlink application but perhaps some other information file in the
> package.
> 
> (the release notes file is also rather strange:
> 
> Heading: J/Link 3.0.1 Release Notes
>  next line: Welcome to J/Link, version 3.0.2.)
> 
> 
> Mathematica Version 5.0 JLink works fine on my computer.
> In=Needs["Jlink`"];
> In = InstallJava[]
> Out =LinkObject[/Applications/Mathematica
> \5.0.app/AddOns/JLink/JLink.app/Contents/MacOS/JavaApplicationStub, 2, 2]
> 
> Whereas on Version 5.1 I get:
> In=Needs["Jlink`"];
> In=InstallJava[]
> InstallJava::uifail: The separate Java user-interface link could not be
> \established.
> InstallJava::fail: A link to the Java runtime could not be established.
> Out= $Failed
> 
> Cheers
> 
> Mike
> 

Mike,

Todd mentioned earlier that JLink 3.0.2 is exactly the same as JLink 
3.0.1 with the exception of one fix to deal with the bug introduced by 
10.3.8 update.  The version that users can download IS JLink 3.0.2.

You can't compare Mathematica 5.0 with 5.1.  Mathematica 5.0.1 came with 
JLink 2.1.1 (September 30).  When I read your first post, I assumed you 
were talking about InstallJava[] hanging (and I bet Todd did as well). 
I re-read the post and you actually didn't indicate what's wrong.

The error message: "InstallJava::uifail:The separate Java user-interface 
link could not be established" and "InstallJava::fail: A link to the 
Java runtime could not be established" are not related to what was 
change in JLink 3.0.2.

Take a look at this thread, as it might be related to your issue.
http://forums.wolfram.com/mathgroup/archive/2005/Jan/msg00286.html

As far as the release notes, it must be a simple typo someone forgot to 
update.  I'll forward that info to the appropriate people.
-- 


Igor Antonio
Wolfram Research, Inc.
http://www.wolfram.com

To email me personally, remove the dash.


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