The "after 20 facts or so" makes me think that some constraint behaves
differently when jitted
(constraints are jitted lazily, to go from interpreted to compiled mode,
only when they are used
often enough).
In fact, there was a bug that was fixed a few days ago regarding a
different behavior of "contains".
The interpreted version would work as String.contains, while the
compiled version would work
as Collection.contains - or vice versa, I don't remember right now.
Unfortunately, the fix can't be backported to 5.5.0.Final.
Can you try to rewrite constraints like :
_name:catalog['name'] not contains 'Timer'
into
_name:catalog['name'], ! ((String) catalog['name']).contains(
'Timer' )
and see if the situation improves?
On a totally unrelated topic...
I have also noticed that you have a very peculiar data model..
we developed traits in 5.6 and 6.x to deal with relational models like
yours..
would you be interested in doing some research and see if/how they
impact performance and rule authoring?
Davide
On 02/25/2014 02:31 PM, Markus Schneider wrote:
The reason why I've activated the logging was that some rules are
not
fired after inserting a special
amount of facts - in my case exactly 20.
Some more details here:
I work on an Event Correlation & Analysis OSS solution that's based on
Grails & Drools 5.5.0-Final.
I'm using a stateful knowledge session and only call dispose() when
the app is stopped - but all facts
are retracted. The functional testing works fine but as I've mentioned
it before when I run the integration
testing it fails, because rules are not fired ('ClearAlertRule' is not
fired) when I insert more than 20 facts.
I saw the errors in the drools log but I didn't know if they were
relevant for my problem here.
I've attached two picts which document the right and the wrong
behavior of the rule processing
- also I've listed the rules of my rulebase.
Has anybody an idea?
Cheers,
-markus
//------------------------------
rule 'UpdateAlertRule'
//------------------------------
dialect 'mvel'
salience 900
no-loop
when
_event : Event(eventClass == "Event",
_name:catalog['name'],
_category:catalog['category'],
_severity:catalog['severity'],
_state:catalog['state'],
_source:catalog['source'],
_subSource:catalog['subSource'],
_origin:catalog['origin'],
_subOrigin:catalog['subOrigin'],
_owner:catalog['owner'],
_description:catalog['description'],
_selector:("from Alert where " +
"name='" + catalog['name'] + "' "
+
"and severity='" + catalog['severity'] +
"' " +
"and not state='Closed'"
)
)
eval(isDuplicate(_event,"UpdateAlertRule",_selector) == true)
then
System.out.println("UpdateAlertRule is processed.")
EntityBuilder entityBuilder = new EntityBuilder();
entityBuilder.addProperty("modifiedBy","UpdateAlertRule");
entityBuilder.addProperty("counter",1);
AlertHandler alertHandler = new
AlertHandler(entityBuilder.getProperties(),_selector);
alertHandler.update();
RuleLogHandler ruleLogHandler = new RuleLogHandler();
ruleLogHandler.create("UpdateAlertRule",_name);
end
//------------------------------
rule 'ClearAlertRule'
//------------------------------
dialect 'mvel'
salience 800
no-loop
when
_event : Event(eventClass == "Event",
_name:catalog['name'] contains 'Info',
_category:catalog['category'],
_severity:catalog['severity'] == 'Harmless',
_state:catalog['state'],
_source:catalog['source'],
_subSource:catalog['subSource'],
_origin:catalog['origin'],
_subOrigin:catalog['subOrigin'],
_owner:catalog['owner'],
_description:catalog['description'],
_selector:("from Alert where " +
"name like '%Error'" +
"and not severity='Harmless'" +
"and not state='Closed'"
)
)
then
System.out.println("ClearAlertRule is processed.")
EntityBuilder entityBuilder = new EntityBuilder();
entityBuilder.addProperty("modifiedBy","ClearAlertRule")
entityBuilder.addProperty("state","Closed");
AlertHandler alertHandler = new
AlertHandler(entityBuilder.getProperties(),_selector);
alertHandler.update();
RuleLogHandler ruleLogHandler = new RuleLogHandler();
ruleLogHandler.create("ClearAlertRule",_name);
end
//------------------------------
rule 'CreateAlertRule'
//------------------------------
dialect 'mvel'
salience 700
no-loop
when
_event : Event(eventClass == "Event",
_name:catalog['name'],
_category:catalog['category'],
_severity:catalog['severity'],
_priority:catalog['priority'],
_state:catalog['state'],
_source:catalog['source'],
_subSource:catalog['subSource'],
_origin:catalog['origin'],
_subOrigin:catalog['subOrigin'],
_owner:catalog['owner'],
_description:catalog['description'],
_selector:("from Alert where " +
"name='" + catalog['name'] + "' "
+
"and severity='" + catalog['severity'] +
"' " +
"and not state='Closed'"
)
)
eval(isDuplicate(_event,"CreateAlertRule",_selector) == false)
then
System.out.println("CreateAlertRule is processed.");
EntityBuilder entityBuilder = new EntityBuilder();
entityBuilder.addProperty("modifiedBy","CreateAlertRule");
entityBuilder.addProperty("name",_name);
entityBuilder.addProperty("category",_category);
entityBuilder.addProperty("severity",_severity);
entityBuilder.addProperty("priority",_priority);
entityBuilder.addProperty("state",_state);
entityBuilder.addProperty("source",_source);
entityBuilder.addProperty("subSource",_subSource);
entityBuilder.addProperty("origin",_origin);
entityBuilder.addProperty("subOrigin",_subOrigin);
entityBuilder.addProperty("owner",_owner);
entityBuilder.addProperty("description",_description);
AlertHandler alertHandler = new
AlertHandler(entityBuilder.getProperties(),_selector);
alertHandler.create();
RuleLogHandler ruleLogHandler = new RuleLogHandler();
ruleLogHandler.create("CreateAlertRule",_name);
end
//------------------------------
rule 'EventRetractionRule'
//------------------------------
dialect 'mvel'
salience 1
no-loop
when
_event : Event(eventClass == "Event",
_name:catalog['name'] not contains 'Timer'
)
then
System.out.println("EventRetractionRule is processed.");
retract(_event);
RuleLogHandler ruleLogHandler = new RuleLogHandler();
ruleLogHandler.create("EventRetractionRule",_name);
end
2014-02-25 14:00 GMT+01:00 Markus Schneider
<markus.schneider73(a)gmail.com <mailto:markus.schneider73@gmail.com>>:
Hi Davide,
thank you for the fast response. I've defined an
DebugAgendaEventListener as it's described here:
Drools Docu 5.5.0-Final/Section 7.2/HelloWorld example.
http://docs.jboss.org/drools/release/5.5.0.Final/drools-expert-docs/html/...
Where can I find any docu about the config of the
DebugAgendaEventListener?
Cheers,
-markus
2014-02-25 12:59 GMT+01:00 Davide Sottara <dsotty(a)gmail.com
<mailto:dsotty@gmail.com>>:
You likely have configured a DebugAgendaEventListener, which
logs agenda events (rules activated, fired, etc..)
on the standard error rather than the standard output. If you
want a different behavior, remove the listener
and implement one of your own.
These are not errors anyway.
Davide
On 02/25/2014 09:40 AM, Markus Schneider wrote:
> Hi list,
>
> I see the following error msg in my drools log but I don't
> know how to interpret this.
> Do I have a serious problem here?
>
> Has anybody a clue?
>
> Thanks in advance.
>
> Cheers,
>
> -markus
>
> | Error ==>[AfterActivationFiredEvent:
> getActivation()=[Activation rule=UpdateAlertRule, act#=37,
> salience=900, tuple=[fact
> 0:19:184363445:184363445:19:DEFAULT:rapideca.plugins.rbm.entity.Event
> : 19]
> ],
> getKnowledgeRuntime()=org.drools.impl.StatefulKnowledgeSessionImpl@6dd4ab87]
> | Error ==>[BeforeActivationFiredEvent:
> getActivation()=[Activation rule=EventRetractionRule,
> act#=36, salience=1, tuple=[fact
> 0:19:184363445:184363445:19:DEFAULT:rapideca.plugins.rbm.entity.Event
> : 19]
> ],
> getKnowledgeRuntime()=org.drools.impl.StatefulKnowledgeSessionImpl@6dd4ab87]
> EventRetractionRule is processed.
> | Error ==>[ObjectRetractedEventImpl: getFactHandle()=[fact
> 0:19:184363445:184363445:19:DEFAULT:rapideca.plugins.rbm.entity.Event
> : 19], getOldObject()=rapideca.plugins.rbm.entity.Event : 19,
> getKnowledgeRuntime()=org.drools.impl.StatefulKnowledgeSessionImpl@6dd4ab87,
> getPropagationContext()=PropagationContextImpl
> [activeActivations=0, dormantActivations=2,
> entryPoint=EntryPoint::DEFAULT, factHandle=[fact
> 0:19:184363445:184363445:19:DEFAULT:rapideca.plugins.rbm.entity.Event
> : 19], leftTuple=[fact
> 0:19:184363445:184363445:19:DEFAULT:rapideca.plugins.rbm.entity.Event
> : 19]
> , originOffset=-1, propagationNumber=40, rule=[Rule
> name=EventRetractionRule, agendaGroup=MAIN, salience=1,
> no-loop=true], type=1]]
> 2014-02-25 08:59:03,524
> [eventQueueReceiverJmsListenerContainer-1] INFO
> log.RuleLogHandler - RuleLog with id: 38 was successfully saved.
> | Error ==>[AfterActivationFiredEvent:
> getActivation()=[Activation rule=EventRetractionRule,
> act#=36, salience=1, tuple=[fact
> 0:-1:184363445:184363445:19:null:null]
> ],
> getKnowledgeRuntime()=org.drools.impl.StatefulKnowledgeSessionImpl@6dd4ab87]
>
>
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