[rules-users] expander mappings empty !

[Michael Neale]

I think because the stream has reached the end once you load it the first
time. Get a fresh reader from a fresh stream and it should work.

On 8/13/07, hypnosat7 <ablarbi at yahoo.fr> wrote:
>
>
> But why the expand methode in DrlParser.parse(final String source, final
> Reader dsl)  can't build the expander with an inputStreamReader on a used
> ressource ?
> And If I use two FileReader on the same dsl file it work's
>
> example :
>
>     dslReader = new
> InputStreamReader(getClass().getResourceAsStream(dslSource));
>     ...
>    DSLMappingFile dslMappingFile = new DSLMappingFile();
>    dslMappingFile.parseAndLoad(dslReader);
>    ...
>    builder.addPackageFromDrl(drlReader, dslReader);
>
> the package built is invalid because the mappings property in the expander
> is empty
>
> Any explaination to this ?
> thanks
>
>
>
>
> hypnosat7 wrote:
> >
> >
> > In fact I used the dsl Reader before to build a DefaultDslMapping. So
> the
> > problem is fixed
> >
> >
> > hypnosat7 wrote:
> >>
> >> Hi,
> >>  I have an error when I try to buil a package using a dsl Reader :
> >> org.drools.lang.ExpanderException at 983d95[16,1]: unknown:16:1 Unexpected
> >> token 'une'
> >>
> >> I try to debug it with eclipse and I find no mappings in the variable
> >> "expander"
> >>
> >> final String expanded = expander.expand( source );
> >>
> >> I'ts in the method DrlParser.parse(final String source, final Reader
> dsl)
> >> throws DroolsParserException
> >>
> >> So what can be the problem
> >>
> >
> >
>
> --
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> http://www.nabble.com/expander-mappings-empty-%21-tf4260034.html#a12124221
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>
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