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Re: webMathematica, Packages, and

  • To: mathgroup at
  • Subject: [mg69753] Re: webMathematica, Packages, and
  • From: "Fred Klingener" <gigabitbucket at>
  • Date: Fri, 22 Sep 2006 01:04:25 -0400 (EDT)
  • References: <eel2ak$eed$> <eeof3j$1vc$>


Thanks for the response.

By exhaustive search, I've found that hostsrv evidently uses a common root
for everyone, so I have to prefix my contexts and file specs with my user ID



Import[ToFileName[{"webmxxxx"}, "myfile.GIF"]].

Relative addressing of *.jsp files from within *.html files needs a


Cobbling up my local file structure to make it so the same files will run
both places is a royal PITA.

At least it runs.

Maybe answering my own post will save someone else days of pain.

Thanks again,

<bghiggins at> wrote in message news:eeof3j$1vc$1 at
> Fred, This is how I do it on my machine:
> My layout is as follows:
> Tomcat/webapps/webMathematica/myproject
> where the folder myproject has my jsp files.
> Now suppose I need to load a package called myfunc.m
> This package is located in the folder mypackages which is located at:
> Tomcat/webapps/webMathematica/WEB-INF/Applications/mypackages
> Then in my jsp file I have
> <msp:allocateKernel>
> <msp:evaluate>
> Needs["mypackages`myfunc`"];
> </msp:evaluate>
> etc
> </msp:allocateKernel>
> My guess this is how you have things set up on your local server.
> I suggest asking the folks at hostSRV where they recommend locating
> packages.
> Not sure this helps much
> Cheers,
> Brian
> Fred Klingener wrote:
> > Anyone here with experience with hostSRV?
> >
> > Background:
> >
> > I'm trying to migrate a Mathematica application to webMathematica,
> > ultimately to run on my account at
> >
> > Success:
> >
> > I have a set of files, *.m packages and *.jsp Java Server Pages,
> > and running happily on my Tomcat localhost. The *.m files are currently
> > ../WEB-INF/Applications/ per installation instructions, but they'll work
> > installed in a lot of different places.
> >
> > Failure:
> >
> > When the files are FTP'd to hostSRV, I can't get webMathematica to find
> > the *.m files.  Needs["newPackage`"] (or any permutation of the context
path I can think of)
> > returns $Failed. While I can get it to return things like $Path and
> > $ContextPath, and while the responses make sense, they have limited use
> > because of the way the hostSRV FTP server flattens out the directory
> > structure it exposes to the developer. I suppose it works the way it
does to
> > enforce security and webMathematica expectations, but it makes it
> > difficult to analyze problems when they arise.
> >
> > I'm out of things to try. Any suggestions?
> >
> > I mean besides "Give up. You're obviously not smart enough to try this."
> >
> > TIA,
> > Fred Klingener

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