[rules-dev] Drools 5 load drl rule file from file system.

[stefano82]

hello,
i devloped a custom rule editor able to create drl file and save them in
file system under a given directory. (e.g. c:\savedRules\rule.drl).
The problem is that once the rule is saved i need to run it with drools
engine.
In my class i try to load rule in this way:

KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("c:\savedRules\rule.drl"),
ResourceType.DRL);

but its doesn't work. the exception is "rule.drl cannot be opened because it
does not exist" but it actually exists....

What am I doing wrong? there is another way to load rules directly from file
sistem?

thanks in advice. 
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