sir,
if you want to take any .drl file as an input of your JAVA program then you can try this code,

final Reader source = new InputStreamReader( ClassExample.class.getResourceAsStream( "Class.drl" ) );

here ClassExample is corresponding JAVA program of your Class.drl file and ClassExample is your main class which contain main

with regards,
Niloy Debnath

fakhfakh ismail <ismail_info2005@yahoo.fr> wrote:

Hello,
First sorry for my bad english,

I set all the class .java is in package hero.client.test
and the file .drl is in folser Drl
the call of file .drl
InputStream in = DroolsTest.class.getResourceAsStream("Drl/Sample.drl");

but the problem is they didn't find the file .drl
always an exception is affiched

Exception in thread "main" java.lang.NullPointerException
    at java.io.Reader.<init>(Reader.java:61)
    at java.io.InputStreamReader.<init>(InputStreamReader.java:55)
    at org.drools.jsr94.rules.admin.LocalRuleExecutionSetProviderImpl.createRuleExecutionSet(Unknown Source)
    at hero.client.test.DroolsTest.main(DroolsTest.java:34)
Please I need your help
Best regards
Ismail

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