1:44 p.m.
In the 3.0.6 Drools Documentation (
http://labs.jboss.com/file-access/default/members/jbossrules/freezone/doc...)
towards the end of section 1.1.1. Introduction and
Background<http://labs.jboss.com/file-access/default/members/jbossrule...
states "Drools will adding support for Backward Chaining in its next
major release."
Will Backward Chaining support be added in 4.0? I have not seen any mention
of it in the Roadmap or Release Notes. If not, any idea when it will be
supported?
Emily
3:06 p.m.
No it didn't make it :( But we do have 'from' which allows you to reason
over data not in the working memory, that will help with some use cases
where people wanted backward chaining.
Mark
Emily Harsh wrote:
In the 3.0.6 Drools Documentation
(http://labs.jboss.com/file-access/default/members/jbossrules/freezone/doc...
<http://labs.jboss.com/file-access/default/members/jbossrules/freezone/doc...>)
towards the end of section 1.1.1. Introduction and Background
<http://labs.jboss.com/file-access/default/members/jbossrules/freezone/doc...
it states "Drools will adding support for Backward Chaining in its
next major release."
Will Backward Chaining support be added in 4.0? I have not seen any
mention of it in the Roadmap or Release Notes. If not, any idea when
it will be supported?
Emily
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3:28 p.m.
New subject: rule not valid...
Folks,
I am using Rules 4.0 in WebSphere 6.0 app server.
Made a simple test file with a simple rule :
rule "Test"
when
cs : SupplierView()
then
System.out.println(cs);
end
But getting exception:
[6/6/07 16:13:06:456 EDT] 00000020 SystemErr R
java.lang.IllegalArgumentException: The rule called Test is not valid.
Check for compile errors reported.
at
org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:363)
at
org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:263)
at
org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:293)
How can I check compile errors?? And what is not valid in this rule?
Thanks for any ideas...
-Sergey
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3:56 p.m.
New subject: rule not valid...
You probably need a package definition at the top of
the file.
Please also import the SupplierView class in the rules
drl file.
You can also first test using the drools sample files.
-Rahul
--- "Manukyan, Sergey" <SManukyan(a)lear.com> wrote:
Folks,
I am using Rules 4.0 in WebSphere 6.0 app server.
Made a simple test file with a simple rule :
rule "Test"
when
cs : SupplierView()
then
System.out.println(cs);
end
But getting exception:
[6/6/07 16:13:06:456 EDT] 00000020 SystemErr R
java.lang.IllegalArgumentException: The rule called
Test is not valid.
Check for compile errors reported.
at
org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:363)
at
org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:263)
at
org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:293)
How can I check compile errors?? And what is not
valid in this rule?
Thanks for any ideas...
-Sergey
**********************
** LEGAL DISCLAIMER **
**********************
This E-mail message and any attachments may contain
legally privileged, confidential or proprietary
information. If you are not the intended
recipient(s),
or the employee or agent responsible for delivery of
this message to the intended recipient(s), you are
hereby notified that any dissemination, distribution
or copying of this E-mail message is strictly
prohibited. If you have received this message in
error, please immediately notify the sender and
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9:22 a.m.
New subject: rule not valid...
Rahul,
Same thing happens when I run examples HelloWorld:
---
Exception in thread "main" java.lang.IllegalArgumentException: The rule
called Hello World is not valid. Check for compile errors reported.
at
org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:363)
at
org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:263)
at
org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:293)
at
org.drools.examples.HelloWorldExample.readRule(HelloWorldExample.java:59
)
at
org.drools.examples.HelloWorldExample.main(HelloWorldExample.java:20)
I am using JANINO compiler... How can I find out what exactly is the
problem?
Thanks,
-Sergey
-----Original Message-----
From: rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Rahul Phadnis
Sent: Wednesday, June 06, 2007 4:56 PM
To: Rules Users List
Subject: Re: [rules-users] rule not valid...
You probably need a package definition at the top of
the file.
Please also import the SupplierView class in the rules
drl file.
You can also first test using the drools sample files.
-Rahul
--- "Manukyan, Sergey" <SManukyan(a)lear.com> wrote:
Folks,
I am using Rules 4.0 in WebSphere 6.0 app server.
Made a simple test file with a simple rule :
rule "Test"
when
cs : SupplierView()
then
System.out.println(cs);
end
But getting exception:
[6/6/07 16:13:06:456 EDT] 00000020 SystemErr R
java.lang.IllegalArgumentException: The rule called
Test is not valid.
Check for compile errors reported.
at
org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:363)
at
org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:263)
at
org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:293)
How can I check compile errors?? And what is not
valid in this rule?
Thanks for any ideas...
-Sergey
**********************
** LEGAL DISCLAIMER **
**********************
This E-mail message and any attachments may contain
legally privileged, confidential or proprietary
information. If you are not the intended
recipient(s),
or the employee or agent responsible for delivery of
this message to the intended recipient(s), you are
hereby notified that any dissemination, distribution
or copying of this E-mail message is strictly
prohibited. If you have received this message in
error, please immediately notify the sender and
delete this E-mail message from your computer.>
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4 comments
4 participants
participants (4)
-
Emily Harsh -
Manukyan, Sergey -
Mark Proctor -
Rahul Phadnis