drools flow - how to crate a human task form?
by gs76pl
hi,
What is the best way of creating some UI for human tasks with an input form?
I've a sample process with a human task that should update some values in
the process. I had a look into API of a task and the only thing i can find
there is 'content' which i'm not really sure about (is it the place where
for instance HTML UI should be created?) Is there any way to create this
form with some additional actions like : claim/fail etc?
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14 years, 2 months
drools5.2 integrate with JMS
by DroolersEye
Hi, I would like to integrate JMS with drools 5.2. I have a confusion over
selecting right approach.
I noticed from the mailing list drools pipeline is depricated so I assume
that not recomended now. So ignored it than look for another option but not
using spring? when i check the user forum I not getting any right direction
insted more confusion selecting rigt tool. Can some one help me to provide
me some info about integration JMS with drools without using spring?i am
using drools5.2
thanks lot,
-----
with kind regards,
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14 years, 3 months
ProcessEventListener event order
by Carlos Villegas
Hi,
I'm testing the ProcessEventListener on a simple process and I get the
"after" events in reverse order.
For example,
Process completed : 1283915643204
Node left: 5: 1283915643268
Node triggered: 5: 1283915643268
Node left: 4: 1283915643268
Node triggered: 4: 1283915643269
Node left: 3: 1283915643269
Node triggered: 3: 1283915643270
Node left: 2: 1283915643270
Node triggered: 2: 1283915643270
Node left: 1: 1283915643270
Node triggered: 1: 1283915643271
Node left: 0: 1283915643271
Node triggered: 0: 1283915643271
Process started : 1283915643271
I'm just printing the node id and the time in milliseconds.
Is this the way is supposed to be?
I guess technically "after" could be anytime after, but if I use the
afterProcessStarted event, I get it after the whole process has
completed!, which it's not useful at all.
The "before" events work as expected I think.
I'm using Drools Flow 5.1.0.
Thanks,
Carlos
14 years, 3 months
CPU Spike creating a StatefulKnowledgeSession using OSGi
by David Conde
Good Morning,
I now have drools running on the Spring DM-Server but I am seeing a CPU
spike when creating a StatefulKnowledgeSession. I've tested this outside of
an OSGi environment and I don't see the spike. Does anyone know any settings
that I can change that might make this go away?
Thanks,
Dave
--
David Conde
CTO Calom Technologies
14 years, 3 months
Questions regarding Guvnor
by Harshit Bapna
Hello All,
Few questions:
1. What is the release date of Guvnor 5.2 ? (Couldn't find it from the site
of the documentation)
I am interested in the functionality to add the guvnor editors in
another app for rule editing. i.e. StandaloneEditorServlet
2. Which SVN TAG of the Guvnor (which has standalone editor functionality)
should I use ?
Note: On trunk I have observed that the war contains a folder *guvnor* where
as guvnor 5.1 war contained folder *org.drools.guvnor.Guvnor*
Also the web.xml in the trunk has the following url pattern <url-pattern>/*
org.drools.guvnor.Guvnor*/feed/*</url-pattern>
This url pattern would never be matched as the Guvnor.html is under
guvnor/Guvnor.html. To make it work I had to update the url patterns in the
web.xml
Is there anything that I am doing wrong ? (mvn clean install
-Dmaven.test.failure.ignore=true)
IMO, the trunk has partial changes checked in. Hence it is not stable.
Thanks
14 years, 3 months
KnowledgeAgent and applyChangeSet
by bob.breitling
If I have a KnowledgeAgent and I create a URL Resource and set its
basicAuthenication, username and password attributes then I call the agents
applyChangeSet method I get a HTTPD 401 response from the Guvnor. It does
not happen to my resourse which has a valid username and password, but it
happens to the resource in the changeSet xml tag.
It would seem to me that the resources that are built from the resource I
passed would inherit the basicAuthenication, username and password
attributes that I set and know work, but they don't and I get this error.
If I debug the code and filling in those values on the resource passed to
the createPackageFromResource method before the resource stream is read the
code works.
I am using the NilAuthenicator in the Guvnor components.xml and that seems
to be working. I get access to the Guvnor without being asked for
credentials.
I tried to configure my jboss (4.2.0) in login-config.xml to allow access to
everything as guest. But no luck.
Any suggestions?
Bob
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14 years, 3 months
Flow isn't behaving as I'd expect
by Jamie
I'm having some issues with the interaction between Flow, ruleflow-groups and
AgendaFilters. I've tried it with 5.1.1, 5.2.0 using .rf files and 5.2.0
using .bpmn files, all with the same results, so I'm sure I'm just
misunderstanding something.
I have a flow that looks like this:
http://drools.46999.n3.nabble.com/file/n3200994/fraud_analysis_flow.jpg
Rules 011 and 051 are in ruleflow-group customerAnalysis and rule 018 is in
ruleflow-group customerActivityFilterAndLookup. I added some debugging via
event listeners and if I don't use an agenda filter, I see the following
output:
Executing test Rule018TestCase001
Rules engine initialized
Invoking rules for rule name Rule 018 - Good AVS Buyer
Created activation for [Rule 018 - Good AVS Buyer]
Created activation for [Rule 011 - Bad Zip 9 Address]
Created activation for [Rule 051 - Suspicious Buyer Email]
Triggered node [Order Analysis]
Triggered node [Start Fraud Analysis Flow]
Triggered node [Customer Analysis]
About to fire [Rule 051 - Suspicious Buyer Email]
====> Rule 051 fired for order: 000000022
About to fire [Rule 011 - Bad Zip 9 Address]
====> Rule 011 fired for order: 000000022
Triggered node [Customer Activity Filter And Lookup]
About to fire [Rule 018 - Good AVS Buyer]
Created activation for [Rule 051 - Suspicious Buyer Email]
Created activation for [Rule 011 - Bad Zip 9 Address]
====> Rule 018 fired for order: 210105
Triggered node [Customer Activity Analysis]
Triggered node [Suspect Reason Code Review]
Triggered node [End Fraud Analysis Flow]
Rules executed successfully
The results are roughly what I'd expect, but I have some questions:
- Why do the activations get created for these 3 rules before any flows
have started?
- Why does the [Order Analysis] node get triggered before the [Start Fraud
Analysis Flow] node?
- Why are activations created again for 011 and 051 just prior to 018
firing?
If I introduce an AgendaFilter that only allows a rule with a specific name
to fire, things get stranger to me. If I only allow rule 018, I get the
following output:
Executing test Rule018TestCase001
Invoking rules for rule name Rule 018 - Good AVS Buyer
Created activation for [Rule 018 - Good AVS Buyer]
Created activation for [Rule 011 - Bad Zip 9 Address]
Created activation for [Rule 051 - Suspicious Buyer Email]
Triggered node [Order Analysis]
Triggered node [Start Fraud Analysis Flow]
Triggered node [Customer Analysis]
Rejecting firing of [Rule 051 - Suspicious Buyer Email] because name
doesn't match.
Cancelled activation for [Rule 051 - Suspicious Buyer Email] because FILTER
Rejecting firing of [Rule 011 - Bad Zip 9 Address] because name doesn't
match.
Cancelled activation for [Rule 011 - Bad Zip 9 Address] because FILTER
Rules executed successfully
Ruleflow customerActivityFilterAndLookup doesn't even get triggered, nor do
any nodes after that. Why not?
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14 years, 3 months
OSGi version of Drools
by Flavius Vespasianus
Hello,
is there anywhere a OSGi bundle with Drools 4.0.7? I know about
com.springsource.org.drools.* but these had a lot of additional
dependencies and I wasn't able to get them work.
My problem is that I need to have three projects: one is the basic
library which uses Drools very intensively. The second project is editor
- an Eclipse plugin (that's why I need the OSGi bundle) using some
classes from the basic library. It doesn't use Drools, but there is a
dependency. The third project is classic Java application, also using
the basic library.
The basic library was originally created using standard Drools project
wizard (I have downloaded the Eclipse Drools plugin -
org.drools.eclipse). But when I tried to deploy it as an Eclipse plugin,
it couldn't find the Drools classes.
I found a little workaround - I have compiled the binaries (drools-core,
drools-compiler and from libs the mvel, antlr3 and eclipse-jdt-core)
into separate plugin using "Create a plugin from existing jars" wizard.
But if I add this dependency to the basic library, I get a
NullPointerException error on every dslr file and I cannot run the
application properly). At least the second project (editor) can be compiled.
What am I doing wrong? Or can I find somewhere the binaries compiled
correctly into OSGi bundle?
Thanks a lot!
Flavius
14 years, 3 months
Drools Expert 5 OSGi
by jflamy
I want to manage Drools Expert rules with Drools Guvnor. My understanding is
that requires the use of Drools Expert version 5.
I also need to use an OSGi-packaged version of Drools Expert.
I saw a forum posting in 2010 alluding to such a beast, but the springsource
forums only provide 4.0.7.
Is there a ready-made OSGi bundle for drools expert 5, or alternately
specific instructions for building one ?
Jean-François Lamy
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14 years, 3 months
