app.rkt:
#lang racket
(require "words.rkt"
web-server/servlet)
....
words.rkt:
#lang racket
(require racket/serialize)
(provide (struct-out word) save-words load-words decline)
(serializable-struct word
(type
ecc.))
(define-namespace-anchor a)
(define ns (namespace-anchor->namespace a))
....
If I compile app.rkt with "raco exe app.rkt" and "raco distribute appdir app"
and I move the "appdir" directory to another system, when I run ./app it
crashes with this error:
default-load-handler: cannot open module file
module path: #<path:/home/rumpz/webapp/words.rkt>
path: /home/rumpz/webapp/words.rkt
system error: No such file or directory; errno=2
context...:
standard-module-name-resolver
/usr/share/racket/collects/racket/private/serialize.rkt:654:8: loop
/usr/share/racket/collects/racket/private/serialize.rkt:649:2: deserialize
#%mzc:app: [running body]
Even if I don't move from my system but just rename words.rkt, it still
crashes. From the examples and the documentation I assumed that raco
automatically included required modules, but it looks like it's just looking
for the .rkt file (and even with the exact path that it has on the original
system). What am I doing wrong?
Also, a secondary problem with modules that may be related: I've tried to make
a copy of the "webapp" directory, called webapp2. When I launch app from the
new directory, it loads a list of "word" structures from a file I saved them in
previously, and try to access them with a "word" field (like "word-type") it
crashes with:
word-type: contract violation;
given value instantiates a different structure type with the same name
expected: word?
given: #<word>
It's like it marked down somewhere that those structs refer to the definition
of "word" in webapp/words.rkt, and not the one in webapp2/words.rkt
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