2:52 a.m.
Hi,
I have encountered the following problem with the latest Drools 5.1 SNAPSHOT
I've created a sample Drools project and replaced the Sample.drl with the
following:
--Sample.drl--------------------------------------
package com.sample
import com.sample.DroolsTest.Message;
rule "Hello World"
when
forall( Message( )
Message() )
then
System.out.println("executed");
end
--------------------------------------------
If I run the sample application like this everything is fine - "executed"
is printed. However, if I modify the main method and insert some additional
fact just before the message fact is inserted, like this:
--DroolsTest.java-----------------------------------
.....
ksession.insert(new Object());
ksession.insert(message);
.....
-----------------------------------------------------------
then the rule won't fire any more.
Please note that if you change the fact insertion order (first the message
then the Object) it will work as expected.
Is this a bug or am I missing something? I can file a JIRA if needed.
Thank you!
Best regards,
Michal
3:45 a.m.
This may be a bug, we are looking into it. Differential update greatly
increases the complexity of our data structures, which now have to be
maintained in specific order, and it can be very hard to find somewhere
were we don't fix the order after an insert or an update.
Mark
On 12/05/2010 18:52, Michal Bali wrote:
Hi,
I have encountered the following problem with the latest Drools 5.1
SNAPSHOT
I've created a sample Drools project and replaced the Sample.drl with
the following:
--Sample.drl--------------------------------------
package com.sample
import com.sample.DroolsTest.Message;
rule "Hello World"
when
forall( Message( )
Message() )
then
System.out.println("executed");
end
--------------------------------------------
If I run the sample application like this everything is fine -
"executed" is printed. However, if I modify the main method and insert
some additional fact just before the message fact is inserted, like this:
--DroolsTest.java-----------------------------------
.....
ksession.insert(new Object());
ksession.insert(message);
.....
-----------------------------------------------------------
then the rule won't fire any more.
Please note that if you change the fact insertion order (first the
message then the Object) it will work as expected.
Is this a bug or am I missing something? I can file a JIRA if needed.
Thank you!
Best regards,
Michal
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
8:43 a.m.
Hi Michal,
Can you paste here the information/output of your runtime logger?
- Ing. Mauricio Salatino -
On May 12, 2010, at 13:52, Michal Bali <michalbali(a)gmail.com> wrote:
Hi,
I have encountered the following problem with the latest Drools 5.1
SNAPSHOT
I've created a sample Drools project and replaced the Sample.drl
with the following:
--Sample.drl--------------------------------------
package com.sample
import com.sample.DroolsTest.Message;
rule "Hello World"
when
forall( Message( )
Message() )
then
System.out.println("executed");
end
--------------------------------------------
If I run the sample application like this everything is fine -
"executed" is printed. However, if I modify the main method and
insert some additional fact just before the message fact is
inserted, like this:
--DroolsTest.java-----------------------------------
.....
ksession.insert(new Object());
ksession.insert(message);
.....
-----------------------------------------------------------
then the rule won't fire any more.
Please note that if you change the fact insertion order (first the
message then the Object) it will work as expected.
Is this a bug or am I missing something? I can file a JIRA if needed.
Thank you!
Best regards,
Michal
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
8:45 a.m.
By the way you understand that doesn't make sense to do that LHS
right? You can do forall(Message())
- Ing. Mauricio Salatino -
On May 12, 2010, at 13:52, Michal Bali <michalbali(a)gmail.com> wrote:
Hi,
I have encountered the following problem with the latest Drools 5.1
SNAPSHOT
I've created a sample Drools project and replaced the Sample.drl
with the following:
--Sample.drl--------------------------------------
package com.sample
import com.sample.DroolsTest.Message;
rule "Hello World"
when
forall( Message( )
Message() )
then
System.out.println("executed");
end
--------------------------------------------
If I run the sample application like this everything is fine -
"executed" is printed. However, if I modify the main method and
insert some additional fact just before the message fact is
inserted, like this:
--DroolsTest.java-----------------------------------
.....
ksession.insert(new Object());
ksession.insert(message);
.....
-----------------------------------------------------------
then the rule won't fire any more.
Please note that if you change the fact insertion order (first the
message then the Object) it will work as expected.
Is this a bug or am I missing something? I can file a JIRA if needed.
Thank you!
Best regards,
Michal
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
1:59 p.m.
Thank you for looking into this.
@Salaboy:
1 what do you mean by a runtime logger? (is it agenda logger and
workingmemory logger?)
2 yes true. I forgot about that.
Best regards,
Michal
On Thu, May 13, 2010 at 1:45 AM, Salaboy <salaboy(a)gmail.com> wrote:
By the way you understand that doesn't make sense to do that LHS
right? You can do forall(Message())
- Ing. Mauricio Salatino -
On May 12, 2010, at 13:52, Michal Bali <michalbali(a)gmail.com> wrote:
> Hi,
>
> I have encountered the following problem with the latest Drools 5.1
> SNAPSHOT
>
> I've created a sample Drools project and replaced the Sample.drl
> with the following:
> --Sample.drl--------------------------------------
> package com.sample
>
> import com.sample.DroolsTest.Message;
>
> rule "Hello World"
> when
> forall( Message( )
> Message() )
> then
> System.out.println("executed");
> end
> --------------------------------------------
> If I run the sample application like this everything is fine -
> "executed" is printed. However, if I modify the main method and
> insert some additional fact just before the message fact is
> inserted, like this:
> --DroolsTest.java-----------------------------------
> .....
> ksession.insert(new Object());
> ksession.insert(message);
> .....
> -----------------------------------------------------------
> then the rule won't fire any more.
>
> Please note that if you change the fact insertion order (first the
> message then the Object) it will work as expected.
>
> Is this a bug or am I missing something? I can file a JIRA if needed.
>
> Thank you!
> Best regards,
> Michal
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
2:15 p.m.
KnoledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
Probably it's a bug, as mark said, but I want to understand your current
behavior to be able to analyze the problem.
Greetings.
2010/5/13 Michal Bali <michalbali(a)gmail.com>
Thank you for looking into this.
@Salaboy:
1 what do you mean by a runtime logger? (is it agenda logger and
workingmemory logger?)
2 yes true. I forgot about that.
Best regards,
Michal
On Thu, May 13, 2010 at 1:45 AM, Salaboy <salaboy(a)gmail.com> wrote:
> By the way you understand that doesn't make sense to do that LHS
> right? You can do forall(Message())
>
> - Ing. Mauricio Salatino -
>
> On May 12, 2010, at 13:52, Michal Bali <michalbali(a)gmail.com> wrote:
>
> > Hi,
> >
> > I have encountered the following problem with the latest Drools 5.1
> > SNAPSHOT
> >
> > I've created a sample Drools project and replaced the Sample.drl
> > with the following:
> > --Sample.drl--------------------------------------
> > package com.sample
> >
> > import com.sample.DroolsTest.Message;
> >
> > rule "Hello World"
> > when
> > forall( Message( )
> > Message() )
> > then
> > System.out.println("executed");
> > end
> > --------------------------------------------
> > If I run the sample application like this everything is fine -
> > "executed" is printed. However, if I modify the main method and
> > insert some additional fact just before the message fact is
> > inserted, like this:
> > --DroolsTest.java-----------------------------------
> > .....
> > ksession.insert(new Object());
> > ksession.insert(message);
> > .....
> > -----------------------------------------------------------
> > then the rule won't fire any more.
> >
> > Please note that if you change the fact insertion order (first the
> > message then the Object) it will work as expected.
> >
> > Is this a bug or am I missing something? I can file a JIRA if needed.
> >
> > Thank you!
> > Best regards,
> > Michal
> > _______________________________________________
> > rules-users mailing list
> > rules-users(a)lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
--
- http://salaboy.wordpress.com
- http://www.jbug.com.ar
- Salatino "Salaboy" Mauricio -
5:26 p.m.
ah, right, Here is the test.log:
---------------------
<object-stream>
<org.drools.audit.event.ActivationLogEvent>
<type>4</type>
<activationId>Hello World [0]</activationId>
<rule>Hello World</rule>
<declarations></declarations>
</org.drools.audit.event.ActivationLogEvent>
<org.drools.audit.event.ObjectLogEvent>
<type>1</type>
<factId>1</factId>
<objectToString>java.lang.Object@19ec4ed</objectToString>
</org.drools.audit.event.ObjectLogEvent>
<org.drools.audit.event.ActivationLogEvent>
<type>5</type>
<activationId>Hello World [0]</activationId>
<rule>Hello World</rule>
<declarations></declarations>
</org.drools.audit.event.ActivationLogEvent>
<org.drools.audit.event.ObjectLogEvent>
<type>1</type>
<factId>2</factId>
<objectToString>com.mycompany.app.DroolsTest$Message@fd918a
</objectToString>
</org.drools.audit.event.ObjectLogEvent>
------------------------------
first I inserted the Object then the message.
2010/5/13 Mauricio Salatino <salaboy(a)gmail.com>
KnoledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
Probably it's a bug, as mark said, but I want to understand your current
behavior to be able to analyze the problem.
Greetings.
2010/5/13 Michal Bali <michalbali(a)gmail.com>
Thank you for looking into this.
>
> @Salaboy:
> 1 what do you mean by a runtime logger? (is it agenda logger and
> workingmemory logger?)
> 2 yes true. I forgot about that.
>
> Best regards,
> Michal
>
> On Thu, May 13, 2010 at 1:45 AM, Salaboy <salaboy(a)gmail.com> wrote:
>
>> By the way you understand that doesn't make sense to do that LHS
>> right? You can do forall(Message())
>>
>> - Ing. Mauricio Salatino -
>>
>> On May 12, 2010, at 13:52, Michal Bali <michalbali(a)gmail.com> wrote:
>>
>> > Hi,
>> >
>> > I have encountered the following problem with the latest Drools 5.1
>> > SNAPSHOT
>> >
>> > I've created a sample Drools project and replaced the Sample.drl
>> > with the following:
>> > --Sample.drl--------------------------------------
>> > package com.sample
>> >
>> > import com.sample.DroolsTest.Message;
>> >
>> > rule "Hello World"
>> > when
>> > forall( Message( )
>> > Message() )
>> > then
>> > System.out.println("executed");
>> > end
>> > --------------------------------------------
>> > If I run the sample application like this everything is fine -
>> > "executed" is printed. However, if I modify the main method and
>> > insert some additional fact just before the message fact is
>> > inserted, like this:
>> > --DroolsTest.java-----------------------------------
>> > .....
>> > ksession.insert(new Object());
>> > ksession.insert(message);
>> > .....
>> > -----------------------------------------------------------
>> > then the rule won't fire any more.
>> >
>> > Please note that if you change the fact insertion order (first the
>> > message then the Object) it will work as expected.
>> >
>> > Is this a bug or am I missing something? I can file a JIRA if needed.
>> >
>> > Thank you!
>> > Best regards,
>> > Michal
>> > _______________________________________________
>> > rules-users mailing list
>> > rules-users(a)lists.jboss.org
>> > https://lists.jboss.org/mailman/listinfo/rules-users
>> _______________________________________________
>> rules-users mailing list
>> rules-users(a)lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
--
- http://salaboy.wordpress.com
- http://www.jbug.com.ar
- Salatino "Salaboy" Mauricio -
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
6:23 p.m.
New subject: Activation doubt
Hi folks!
I'm having some trouble to understand activations.
My system receives transactions and I want to detect periods of time without transactions.
If I don't have transactions for an hour, I want to sound an alarm.
I've wrote the following rules just to see how Drools works (I've tried sliding
windows also but without success):
declare NoTransactions
@role( event )
timestamp: long
end
declare EngineStart
@role( event )
timestamp: long
end
declare Transaction
@role( event )
@expires( 1h )
end
rule "***start***"
when
not( EngineStart() )
then
insert( new EngineStart() );
System.out.println("engine started");
end
rule "***notrx_after_start***"
when
$engineStart : EngineStart()
not( NoTransactions() )
not(Transaction( this after [0s, 1h] $engineStart ) )
then
insert ( new NoTransactions() );
System.out.println("no transactions for an hour since engine
started");
end
rule "***notrx_after_trx***"
when
EngineStart()
not( NoTransactions() )
$transaction : Transaction()
not( Transaction( this != $transaction, this after [0s, 1h] $transaction ) )
then
insert( new NoTransactions() );
System.out.println("no transactions for an hour since last transaction
");
End
· First rule inserts an Event when rule engine starts
· Second rule detects absence of transactions since engine started
· Third rule detects absence of transactions since last transaction
The testcase is simple (using pseudoclock):
· 00h00m: rule engine start
· 00h30m: insert a transaction
· 01h01m: notification of absence of transactions since engine started (not the
desired behavior)
I've attached the logs and I can't understand how an Activation is cancelled and
executed afterwards (without any creation).
Thanks for the time spent to read this email! J
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt
Uma empresa: Grupo Sousa Pedro <http://www.sousapedro.com>
12:54 a.m.
New subject: Activation doubt
Hi again!
The problem occurred in Drools 5.1.0 M1 but I've tried with the latest snapshot
(2010-05-11) and worked fine.
Thanks for your patience!
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt
Uma empresa: Grupo Sousa Pedro <http://www.sousapedro.com>
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of Makewise - Vitor Rui Mendonça
Sent: quinta-feira, 13 de Maio de 2010 10:24
To: Rules Users List
Subject: [rules-users] Activation doubt
Hi folks!
I'm having some trouble to understand activations.
My system receives transactions and I want to detect periods of time without transactions.
If I don't have transactions for an hour, I want to sound an alarm.
I've wrote the following rules just to see how Drools works (I've tried sliding
windows also but without success):
declare NoTransactions
@role( event )
timestamp: long
end
declare EngineStart
@role( event )
timestamp: long
end
declare Transaction
@role( event )
@expires( 1h )
end
rule "***start***"
when
not( EngineStart() )
then
insert( new EngineStart() );
System.out.println("engine started");
end
rule "***notrx_after_start***"
when
$engineStart : EngineStart()
not( NoTransactions() )
not(Transaction( this after [0s, 1h] $engineStart ) )
then
insert ( new NoTransactions() );
System.out.println("no transactions for an hour since engine
started");
end
rule "***notrx_after_trx***"
when
EngineStart()
not( NoTransactions() )
$transaction : Transaction()
not( Transaction( this != $transaction, this after [0s, 1h] $transaction ) )
then
insert( new NoTransactions() );
System.out.println("no transactions for an hour since last transaction
");
End
· First rule inserts an Event when rule engine starts
· Second rule detects absence of transactions since engine started
· Third rule detects absence of transactions since last transaction
The testcase is simple (using pseudoclock):
· 00h00m: rule engine start
· 00h30m: insert a transaction
· 01h01m: notification of absence of transactions since engine started (not the
desired behavior)
I've attached the logs and I can't understand how an Activation is cancelled and
executed afterwards (without any creation).
Thanks for the time spent to read this email! J
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt
Uma empresa: Grupo Sousa Pedro <http://www.sousapedro.com>
10:40 p.m.
New subject: Entry-Points can cause NullPointerException and/or no rule firing
Hi again.
First of all, I'm running Drools 5.1.0.SNAPSHOT on Windows and Eclipse 3.4.
I've submitted a Jira Issue (https://jira.jboss.org/jira/browse/JBRULES-2511):
"
I've got a system that receives transactions. I want to implement the following rules:
- raise an alarm(alarm event) when there aren't any transaction for an hour (or more);
- if there's an alarm, no more alarms should be raised;
- if there's an alarm and the system receives a transaction, that alarm should be
retracted and the system should send an recovery event.
I've implemented the rules this way:
- ***start*** rule to insert an "EngineStart" event when the rules engine starts
- ***notrx_after_start*** rule to detect absence of transactions during the first hour
- ***notrx_after_trx*** rule to detect absence of transactions (during one hour) after
last transaction
- ***rearm*** rule to detect transactions and rearm the system.
I made a Maven project with junits, which inserts transactions at specific time, in order
to raise the desired events.
Two set of tests were made:
- the rules defined in "default" entry-point: the correspondent junit gives a
NullPointerException in DefaultAgenda
- the rules defined in "incoming" entry-point: the correspondent junit
doesn't activate the ***rearm*** rule
"
The issue has an attachment with junits and rules to play with.
T.I.A.
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt
Uma empresa: Grupo Sousa Pedro <http://www.sousapedro.com>
11:30 p.m.
New subject: Entry-Points can cause NullPointerException and/or no rule firing
JIRA issues are for reporting bugs in drools. Is there a bug you're reporting or do
you want help with this particular problem?
--- On Fri, 5/14/10, Makewise - Vitor Rui Mendonça <Vitor.Mendonca(a)brisa.pt> wrote:
From: Makewise - Vitor Rui Mendonça <Vitor.Mendonca(a)brisa.pt>
Subject: [rules-users] Entry-Points can cause NullPointerException and/or no rule firing
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Friday, May 14, 2010, 8:40 AM
Hi again.
First of all, I’m running Drools 5.1.0.SNAPSHOT on Windows and
Eclipse 3.4.
I’ve submitted a Jira Issue (https://jira.jboss.org/jira/browse/JBRULES-2511):
“
I've got a system that receives transactions. I want to
implement the following rules:
- raise an alarm(alarm event) when there aren't any transaction for an hour (or
more);
- if there's an alarm, no more alarms should be raised;
- if there's an alarm and the system receives a transaction, that alarm should
be retracted and the system should send an recovery event.
I've implemented the rules this way:
- ***start*** rule to insert an "EngineStart" event when the rules
engine starts
- ***notrx_after_start*** rule to detect absence of transactions during the
first hour
- ***notrx_after_trx*** rule to detect absence of transactions (during one
hour) after last transaction
- ***rearm*** rule to detect transactions and rearm the system.
I made a Maven project with junits, which inserts transactions at specific
time, in order to raise the desired events.
Two set of tests were made:
- the rules defined in "default" entry-point: the correspondent junit
gives a NullPointerException in DefaultAgenda
- the rules defined in "incoming" entry-point: the correspondent
junit doesn't activate the ***rearm*** rule
“
The issue has an attachment with junits and rules to play with.
T.I.A.
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt
Uma empresa: Grupo Sousa Pedro
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
11:51 p.m.
New subject: Entry-Points can cause NullPointerExceptionand/or no rule firing
Hi Greg!
Thanks for your quick answer.
I’m having some trouble with absence of events in Drools (I’ve send some emails on the
mailing list regarding that) and I personally think it’s some kind of bug (mine or,
probably, drools).
So, I’m looking for some help. Instead of explaining all over again, I just point the
issue out.
Sorry about this mess, too much time around this problem J
Thanks, once again!
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt <http://www.makewise.pt>
Uma empresa: Grupo Sousa Pedro <http://www.sousapedro.com>
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of Greg Barton
Sent: sexta-feira, 14 de Maio de 2010 15:31
To: Rules Users List
Subject: Re: [rules-users] Entry-Points can cause NullPointerExceptionand/or no rule
firing
JIRA issues are for reporting bugs in drools. Is there a bug you're reporting or do
you want help with this particular problem?
--- On Fri, 5/14/10, Makewise - Vitor Rui Mendonça <Vitor.Mendonca(a)brisa.pt>
wrote:
From: Makewise - Vitor Rui Mendonça <Vitor.Mendonca(a)brisa.pt>
Subject: [rules-users] Entry-Points can cause NullPointerException and/or no rule firing
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Friday, May 14, 2010, 8:40 AM
Hi again.
First of all, I’m running Drools 5.1.0.SNAPSHOT on Windows and Eclipse 3.4.
I’ve submitted a Jira Issue (https://jira.jboss.org/jira/browse/JBRULES-2511
<https://jira.jboss.org/jira/browse/JBRULES-2511> ):
“
I've got a system that receives transactions. I want to implement the following rules:
- raise an alarm(alarm event) when there aren't any transaction for an hour (or more);
- if there's an alarm, no more alarms should be raised;
- if there's an alarm and the system receives a transaction, that alarm should be
retracted and the system should send an recovery event.
I've implemented the rules this way:
- ***start*** rule to insert an "EngineStart" event when the rules engine starts
- ***notrx_after_start*** rule to detect absence of transactions during the first hour
- ***notrx_after_trx*** rule to detect absence of transactions (during one hour) after
last transaction
- ***rearm*** rule to detect transactions and rearm the system.
I made a Maven project with junits, which inserts transactions at specific time, in order
to raise the desired events.
Two set of tests were made:
- the rules defined in "default" entry-point: the correspondent junit gives a
NullPointerException in DefaultAgenda
- the rules defined in "incoming" entry-point: the correspondent junit
doesn't activate the ***rearm*** rule
“
The issue has an attachment with junits and rules to play with.
T.I.A.
Vítor Mendonça Moreira
Analista / Programador
Direcção de Investigação e Desenvolvimento
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: www.makewise.pt <http://www.makewise.pt>
Uma empresa: Grupo Sousa Pedro <http://www.sousapedro.com>
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12:51 a.m.
New subject: Entry-Points can cause NullPointerExceptionand/or no rule firing
Vitor,
Please stop replying to posts with unrelated topics and just changing
the title, it messes up the threaded view in most people's email app.
See here for more details on netiquette:
http://www.jboss.org/drools/lists.html
Mark
On 14/05/2010 15:51, Makewise - Vitor Rui Mendonça wrote:
Hi Greg!
Thanks for your quick answer.
I’m having some trouble with absence of events in Drools (I’ve send
some emails on the mailing list regarding that) and I personally think
it’s some kind of bug (mine or, probably, drools).
So, I’m looking for some help. Instead of explaining all over again, I
just point the issue out.
Sorry about this mess, too much time around this problem J
Thanks, once again!
Vítor Mendonça Moreira
*Analista / Programador
Direcção de Investigação e Desenvolvimento*
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: _www.makewise.pt_ <http://www.makewise.pt>
Uma empresa: _Grupo Sousa Pedro_ <http://www.sousapedro.com>
*From:* rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] *On Behalf Of *Greg Barton
*Sent:* sexta-feira, 14 de Maio de 2010 15:31
*To:* Rules Users List
*Subject:* Re: [rules-users] Entry-Points can cause
NullPointerExceptionand/or no rule firing
JIRA issues are for reporting bugs in drools. Is there a bug you're
reporting or do you want help with this particular problem?
--- On *Fri, 5/14/10, Makewise - Vitor Rui Mendonça
/<Vitor.Mendonca(a)brisa.pt>/* wrote:
From: Makewise - Vitor Rui Mendonça <Vitor.Mendonca(a)brisa.pt>
Subject: [rules-users] Entry-Points can cause NullPointerException
and/or no rule firing
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Friday, May 14, 2010, 8:40 AM
Hi again.
First of all, I’m running Drools 5.1.0.SNAPSHOT on Windows and Eclipse
3.4.
I’ve submitted a Jira Issue
(_https://jira.jboss.org/jira/browse/JBRULES-2511_):
“
I've got a system that receives transactions. I want to implement the
following rules:
- raise an alarm(alarm event) when there aren't any transaction for an
hour (or more);
- if there's an alarm, no more alarms should be raised;
- if there's an alarm and the system receives a transaction, that
alarm should be retracted and the system should send an recovery event.
I've implemented the rules this way:
- ***start*** rule to insert an "EngineStart" event when the rules
engine starts
- ***notrx_after_start*** rule to detect absence of transactions
during the first hour
- ***notrx_after_trx*** rule to detect absence of transactions (during
one hour) after last transaction
- ***rearm*** rule to detect transactions and rearm the system.
I made a Maven project with junits, which inserts transactions at
specific time, in order to raise the desired events.
Two set of tests were made:
- the rules defined in "default" entry-point: the correspondent junit
gives a NullPointerException in DefaultAgenda
- the rules defined in "incoming" entry-point: the correspondent junit
doesn't activate the ***rearm*** rule
“
The issue has an attachment with junits and rules to play with.
T.I.A.
Vítor Mendonça Moreira
*Analista / Programador
Direcção de Investigação e Desenvolvimento*
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.
2500 - 206 - Caldas da Rainha
Tel: (+351) 262 832 196
Fax: (+351) 262 186 455
Web: _www.makewise.pt_ <http://www.makewise.pt>
Uma empresa: _Grupo Sousa Pedro_ <http://www.sousapedro.com>
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12 comments
6 participants
participants (6)
-
Greg Barton -
Makewise - Vitor Rui Mendonça -
Mark Proctor -
Mauricio Salatino -
Michal Bali -
Salaboy