Regarding verstions of Drools-Guvnor...
by Manohar Kokkula
Hi guys ,
I am new to this Drools.
I have one small doubt,
Is it mandatory to have all equal versions While executing Drools-Guvnor
Applications ?
For example:
Binaries and Dependencies of Drools- 5.1.1
Drools_Eclipse Plugins & Features-5.1.1
Drools Guvnor (.war)-5.1.1
Currently I used following version:
Binaries and Dependencies of Drools- 5.0.1
Drools_Eclipse Plugins & Features-5.0.1
Drools Guvnor (.war)-5.2.0
Is this fine? or Shall I install all of these of equal versions.
Please help me.
Thanks and Regards
Manohar Kokkula
Mailto: manohar.kokkula(a)tcs.com
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14 years, 2 months
guvnor and drl rules file uploading
by gcautiero
Hello,
i'm working with different drools template (.drt) on excel raw data files. I
have an application to generate rules files (.drl) to use it in my
applications. My question is: there is a way in Guvnor to upload a new drl
file? maybe with a restful service? i want upload the file with generating
rules (template +excel data) but the only way to do this right now (version
5.3.0.Final) is to made a new rule and copy all the rules from my generating
process to it.
Regards,
Gianfranco Cautiero
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14 years, 2 months
Guvnor Import .drl Issues
by mpinch
I'm running guvnor 5.1 at the moment. I can export my .drl file just fine.
When I try and import it back into guvnor 5.1 (or guvnor 5.3, tried that as
well), it states that the import was successful. However, none of my rules
or data model validates. I've noted that all of my functions in the
original ruleset exist, however they are all now listed in the data model
configuration window of the package. When I open any of the actual
functions, all I see is the first line starting /function ..../
Any idea what the issues are here? I"ve searched and not found a similar
one, but this happens everytime with every ruleset I have. I'm kind of
permanently stuck on 5.1 unless I can solve this.
Thanks
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14 years, 2 months
Guvnor Into Weblogic
by calcacuervo
Hi Everyone. I have deployed Guvnor 5.2 in Weblogic 10.
I am able to browse it though web ui, create packages. But I have a problem
with eclipse plugin.
When I try to add a process to a package, I get "WebDav Error: Nor Found
(404)
In guvnor logs I see:
ERROR 02-11 09:26:03,257 (WebDavServletBean.java:service:154) Exception:
org.drools.repository.RulesRepositoryException:
javax.jcr.AccessDeniedException: Access denied
at org.drools.repository.PackageItem.addAsset(PackageItem.java:290)
at org.drools.repository.PackageItem.addAsset(PackageItem.java:228)
at
org.drools.guvnor.server.files.WebDAVImpl.createResource(WebDAVImpl.java:140)
at net.sf.webdav.methods.DoPut.execute(DoPut.java:104)
at net.sf.webdav.WebDavServletBean.service(WebDavServletBean.java:128)
at
org.drools.guvnor.server.files.WebdavServlet.service(WebdavServlet.java:76)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at
weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at org.jboss.seam.web.ContextFilter$1.process(ContextFilter.java:42)
at
org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:53)
at org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37)
at
weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at
weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
at
weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at
weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at
weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at
weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: javax.jcr.AccessDeniedException: Access denied
at
org.apache.jackrabbit.core.security.simple.SimpleAccessManager.checkPermission(SimpleAccessManager.java:138)
at org.apache.jackrabbit.core.NodeImpl.addNode(NodeImpl.java:1476)
at org.apache.jackrabbit.core.NodeImpl.addNodeWithUuid(NodeImpl.java:2082)
at org.apache.jackrabbit.core.NodeImpl.addNode(NodeImpl.java:1987)
at org.drools.repository.PackageItem.addAsset(PackageItem.java:248)
... 23 more
I have been debugging it, and found that in WebdavServlet class, this:
String auth = req.getHeader( "Authorization" );
Is returning null, but in my tomcat installed tomcat it returns something
like "Basic .,..".
have everyone had this problem with guvnor in weblogic?
Thanks in advance,
Demian
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14 years, 2 months
Bugs in rule templates?
by Bruno Freudensprung
Hi all,
I am writing rules using Drools Templates and I noticed strange problems
(ocurring when I slightly modify a DRT that works well):
1. the template instanciation depends on the declarations order of
the parameters in the template header
2. if the rule template does not contain a package declaration
(default package) the instanciation of the template fails
I am working with Drools 5.1.1 but those problems occur in 5.2.0.Final
and in 5.3.0.Final as well.
Do you think it is worth posting a JIRA?
Anyway let me tell you that Drools Templates are great! Our users like
that feature a lot! They start writing a rule in DRL format and, once it
works, they transform it into a DRT and put data into a tsv file. It is
quite a natural way of working. The general perception here is that it
is easier to "templatize" an existing DRL than to write a decision table
from scratch.
Best regards,
Bruno.
PS:
_DRT that works well_:
template header
*name
message
package templates;
*
import org.drools.bug.Entity;
template "TestTemplate"
rule "Test1 @{row.rowNumber}"
dialect "mvel"
when
Entity( $name : name == "@{name}" )
then
System.out.println("@{message}" + $name);
insert($name);
end
end template
_DRT that does not work_ (first case):
template header
*message
name
package templates;
*
import org.drools.bug.Entity;
template "TestTemplate"
rule "Test1 @{row.rowNumber}"
dialect "mvel"
when
Entity( $name : name == "@{name}" )
then
System.out.println("@{message}" + $name);
insert($name);
end
end template
_DRT that does not work_ (second case):
template header
*name
message
*
import org.drools.bug.Entity;
template "TestTemplate"
rule "Test1 @{row.rowNumber}"
dialect "mvel"
when
Entity( $name : name == "@{name}" )
then
System.out.println("@{message}" + $name);
insert($name);
end
end template
14 years, 2 months
Getting Exceptions for ChangeSet.xml resource...
by Manohar Kokkula
Hi to All,
I am getting following exceptions while executing simple application with
ChangeSet.xml resource.
[2011:11:308 01:11:101:exception]
java.lang.RuntimeException: KnowledgeAgent exception while trying to
deserialize KnowledgeDefinitionsPackage
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:418)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:120)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:109)
at com.code.Bankmain.createKnowledgeBase(Bankmain.java:52)
at com.code.Bankmain.main(Bankmain.java:28)
Caused by: java.io.InvalidClassException: org.drools.rule.Package; local
class incompatible: stream classdesc serialVersionUID = 510, local class
serialVersionUID = 400
at
java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:579)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
at
org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)
at
org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:158)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:408)
... 4 more
[2011:11:308 01:11:103:info] KnowledgeAgent new KnowledgeBase now built
and in use
Balance is 0
Deposit is 0
Please help me.
Thanks and regards
Manohar Kokkula
Mailto: manohar.kokkula(a)tcs.com
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message and/or attachments to it may contain
confidential or privileged information. If you are
not the intended recipient, any dissemination, use,
review, distribution, printing or copying of the
information contained in this e-mail message
and/or attachments to it are strictly prohibited. If
you have received this communication in error,
please notify us by reply e-mail or telephone and
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and any attachments. Thank you
14 years, 2 months
Drools Planner - planning variable as list
by sirius
I'm new Drools Planner user, so sorry if my question proved to be trivial.
Simplified problem definition:
Facts:
Workorder
Technician
Planning entity:
WorkorderAssignement {
private List<Technician> technicianList;
private Workorder workorder;
}
Workorder depends of his definiiton maybe assigned to variable number of
technicians. So, some of them require only ONE technician, but other
requires TWO technicians.
Is there possible build optimized technician list in this case?
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14 years, 2 months
How Can i download the jar of drools-process-task
by xdyl
HI,All:
i want run the example of jbpm-5.1.0.Final-installer-full.but i find i
cant find the jar of drools-process-task.
because ProcessTest import the class:
org.jbpm.process.workitem.wsht.WSHumanTaskHandler.
but i can get this jar anyway.
i try find it which module(task,process,guvnor,expert,jbmp) include this
jar,and didnt get any hint.
and i try download it in maven,use this :
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-process-task</artifactId>
<version>5.1.0.M1</version>
</dependency>
repositroy is :
https://jboss.sonatype.org/content/repositories/JBoss
because i didnt know the correct address.in some website i find the
repository is
https://oss.sonatype.org/content/repositories/JBoss ,but i cant access.
so ,can somebody tell me,how to get the correct jar(maven is best),or how
can i run the example correctly?
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14 years, 2 months
[drools planner] [5.3.0 Final] Sorting successfully planned entities
by guyver
If we use the hard and soft scoring method and then terminate early without
reaching a hard score of zero, then is there a way to distinguish the
planning entity objects that met all the constraints(achieved a score of
zero) from the ones that did not meet the constraints (had a negative score)
by just looking at the planning entity list in our output planning solution.
Do we have to use some kind of boolean flag within our planning entity to
indicate if that planning entity has a score of zero or is there something
like this already built into the planner?
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14 years, 2 months
