[Swift-user] Questions and ERRORs

[Melinda Chin]

On Mon, Jun 15, 2009 at 11:41 AM, Melinda Chin <me.melly at gmail.com> wrote:

> I was trying to do the t.swift tutorial again and I keep getting stuck on
> this error.  What does it mean to not be able to find a valid host?  How do
> I remedy this?  And another question on the side what's the difference
> between swift-user at ci.uchicago.edu and swift-user-owner at ci.uchicago.edu.
> For help we can send to both? or usually just swift-user?
>
> *THIS IS WHAT t.swift LOOKS LIKE:*
> ===============================================================
> [mchin at tp-login2 swift]$ cat t.swift
> type messagefile;
> (messagefile t) greeting (string s) {
>         app{
>                 echo s stdout = @filename(t);
>         }
> }
>
> (messagefile t) capitalise (messagefile f) {
>         app {
>                 translate "[a-z]" "[A-Z]" stdin = @filename(f) stdout =
> @filename(t);
>         }
> }
>
> messagefile outfile <"greeting.txt">;
> messagefile cfile <"capitalised.txt">;
>
> outfile = greeting("hello from Swift");
> cfile = capitalise(outfile);
> ===============================================================
>
> *THIS IS WHAT tc.data LOOKS LIKE:*
> ===============================================================
> [mchin at tp-login2 swift]$ cat tc.data
> #This is the transformation catalog.
> #
> #It comes pre-configured with a number of simple transformations with
> #paths that are likely to work on a linux box. However, on some systems,
> #the paths to these executables will be different (for example, sometimes
> #some of these programs are found in /usr/bin rather than in /bin)
> #
> #NOTE WELL: fields in this file must be separated by tabs, not spaces; and
> #there must be no trailing whitespace at the end of each line.
> #
> # sitename  transformation  path   INSTALLED  platform  profiles
> localhost       echo            /bin/echo       INSTALLED
> INTEL32::LINUX  null
> localhost       cat             /bin/cat        INSTALLED
> INTEL32::LINUX  null
> localhost       ls              /bin/ls         INSTALLED
> INTEL32::LINUX  null
> localhost       grep            /bin/grep       INSTALLED
> INTEL32::LINUX  null
> localhost       sort            /bin/sort       INSTALLED
> INTEL32::LINUX  null
> localhost       paste           /bin/paste      INSTALLED
> INTEL32::LINUX  null
> localhost       translate       /usr/bin/tr     INSTALLED
> INTEL32::LINUX  null
> ===============================================================
>
> *THIS IS THE ERROR MESSAGE:*
> ===============================================================
> [mchin at tp-login2 swift]$ swift t.swift
> Swift svn swift-r2950 cog-r2406
>
> RunID: 20090615-1125-6z1ehvf8
> Progress:
> Progress:  Initializing site shared directory:1
> Execution failed:
>         Could not find any valid host for task "Task(type=UNKNOWN,
> identity=urn:cog-1245083114852)" with constraints
> {filenames=[Ljava.lang.String;@1f0a76e, trfqn=translate,
> filecache=org.griphyn.vdl.karajan.lib.cache.CacheMapAdapter at 1f0a797,
> tr=translate}
> ===============================================================
>
> Thank you for your help,
> Melinda Chin
>
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