guvnor deploy on AS7 times out
by rquinn
Deploying govnor-5.3.0.Final-jboss-as-7.0.war (renamed as guvnor.war) on
jboss-as-7.1.0.Beta1b standalone on Windows XP w/java build 1.6.0_29-b11.
First attempt was dropping the war into deployments
it seems to start fine
- I do get some WARN ... does not point to a valid jar for a Class-Path
reference
- and a couple of EJB get deployed
but ultimately I get - JBAS015052: Did not receive a response to the
deployment operation within the allowed timeout period [60 seconds]. Check
the server configuration file and the server logs to find more about the
status of the deployment.
Second attempt was via the content deployer in admin console but that even
less successful... content was deployed but "enable" produces no results,
error message or anything.
any help appreciated... i've seen another posting in the forum regarding
problems with guvnor deployments and AS7 but that was 5.2 and symptoms were
different. response on that was an indication that 5.4 would refactor the
seam impl and solve some issues.
any help appreciated
thanx
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14 years, 3 months
Is this an appropriate approach
by ronalbury
The issue I have been struggling with is ordering rule evaluation ... which I
realize violates one of the theoretical underpinnings of a rules system. I
receive all String data. I wanted to test if the data was well formed (via
regular expressions) prior to testing the semantic values stored in the data
(e.g. numbers, etc).
However, I woke up this morning, smacking my forehead, wondering why I
didn't think of this earlier. Is there any reason I shouldn't run the rules
engine twice - once with a knowledge base containing the regular
expressions, and then (if it passes) run it through a different knowledge
base with the semantic evaluations?
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14 years, 3 months
Planner 5.3.Final - "presumedScore is corrupted" when using "update" on the rules working memory
by guyramirez
I am looking into Planner for a schedule assignment business case.
I created a move factory, got the local search phase set up and quicly ran
into a "presumedScore is corrupted because it is not the realScore" error.
As a work around, I changed my Move::doMove(..) implementation to "retract"
then "insert" rather than "update" the new updated planning entity and the
issue went away.
Then I worked on setting a construction heuristic and I again ran into the
same error. By applying a local code patch to the
PlanningValueWalker::changeWorkingValue(..) method to also "retract" and
"insert" rather than "update" also fixed the issue.
I also tried to correctly implement the hashCode() and equals(..) methods on
my planning entity (as mentioned in Drools Expert documentation) as well as
use the default implementation of those methods (as in the nurse rostering
example) with the same unsuccessful results.
I must mention than I am able to run the nurse rostering example without any
issues.
Could someone maybe point me to the right direction on why "update" does not
work for me? I can provide detailed information if needed.
Thanks,
Guy
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14 years, 3 months
XSD resource type
by Radovan Synek
Hello,
I am trying Spring - Drools integration and in the documentation I found this line:
<drools:resource source="classpath:org/drools/container/spring/model.xsd" />
(section 2.1.1.4. Define a KnowledgeBase, example 2.2)
I also realized that XSD resource type is present in the resourceTypeEnum (drools-spring.xsd).
Could I ask you where to find more information about this resource type?
Best regards,
Radovan Synek
14 years, 3 months
Re: [rules-users] 'else' in rule
by Spyros Sakellariou
I fully agree with Jim K.
Writing good business rules (and in my opinion good business rules are loosely coupled) is not straightforward and intuitive at the beginning and requires from software engineers to develop a different mindset.
Having an ELSE statement could be a deterrent from writing loosely coupled rules which is a good practice IMHO. It reminds me of my early BASIC programming days (in the 80's :) where I would end up with horrible spaghetti code because of my misuse of the infamous GOTO statement.
I also vote against the ELSE statement.
Spyros
-----Original Message-----
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of JimK
Sent: Tuesday, December 06, 2011 9:08 PM
To: rules-users(a)lists.jboss.org
Subject: Re: [rules-users] 'else' in rule
My $.02
I'm early in my use of Drools and Rules and struggled at first with the lack
of ELSE. At first I would frequently feel "an ELSE would be prefect here".
After awhile I believe that NOT having Else is a good thing. As I get
better with writing rules I find that most of the times when I think I need
an Else it usually means I should take a closer look at the rule.
If I have a true Else situation for me I put the two rules one right after
another. In these situations I think it is better to have to write the
"ELSE" rule as effectively a NOT of the WHEN rule then having an ELSE fall
through. Isn't that much extra coding and usually gives me pause to give it
one more evaluation to see if this is a true ELSE or a new rule with similar
criteria from the When.
Many times the ELSE covers too many possibilities that should be explicitly
checked and for me at least tells me I might not have fully broken the
requirements down. As another posting indicates the complexity of
implementing it I also wonder about the performance hit the logic to allow
for an ELSE would add.
With my current understanding of business rules and drools I would vote
against an ELSE.
Jim K.
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14 years, 3 months
