Re: [concern-users] evaluating con:cern

[frantisek k. <fra...@gm...>]

The cause is: java.io.IOException: No properties file: users.properties or
defaults: defaultUsers.properties found

Fero

On Wed, Dec 3, 2008 at 6:52 PM, frantisek kocun
<fra...@gm...>wrote:

> So I missed tin instrucitions how to create schema. I created it with
> jmx-console. But I can't still login the way you wrote. There is
>
> Use an arbitrary userid and repeat it as the password. Open the development
> tool on the right hand side and click on *Create Admin Profile* in order
> to create a profile with all permissions and have it assigned to the current
> user. Log out and in again. Then you'll see the navigation menu.
>
> If I don't fill mandator I get "User and Mandator are required!", if I fill
> it I get "Login failed!".
>
> Fero
>
>
> On Wed, Dec 3, 2008 at 6:45 PM, frantisek kocun <fra...@gm...
> > wrote:
>
>> Hi Holger,
>> I got it working:) I used instructions from the link you sent me. I
>> created db schema by generation from all hbm.xml files in directory
>> osbl-shell/build/jca/model.sar and concern/src/meta/hbm/Controller.hbm.xml
>> file. Don't know if this was the right way. But I can't login. I get an
>> error "Login failed!" but I filled user, mandator and password. Should I
>> first insert the user in db? If yes don't you have a script for data, or ddl
>> script as well? I use postrgeSQL, I think you as well (when looking in
>> hibernate configurations).
>>
>> Thanks
>>
>> Fero
>>
>>
>> On Tue, Dec 2, 2008 at 10:12 PM, frantisek kocun <
>> fra...@gm...> wrote:
>>
>>> Thanks for the link, can't wait to try it out.
>>>
>>> Fero
>>>
>>>
>>> On Tue, Dec 2, 2008 at 10:07 PM, Holger Engels <he...@gm...>wrote:
>>>
>>>> Hi,
>>>>
>>>> how to build the osbl is documented here:
>>>>
>>>>   http://osbl.wilken.de/wiki/index.php/Installation_Guide
>>>>
>>>> Yes, con:cern has a notion of tasks. Of yourse you can freely edit the
>>>> object and notify con:cern of the change an con:cern will pick up th
>>>> enew state and continue with the process. But this is merely the
>>>> unusual case. Normally you define a bunch of activities with
>>>> preconditions and postconditions. As soon as the precondition of an
>>>> activity is met, con:cern will either execute it (synchronous system
>>>> acitvity) or enlist it for asynchronous execution. Asynchronous
>>>> activities are mostly user activities. An actor assignes the activity
>>>> to one or more users. If the activitiy is obligatory (it must be
>>>> executed and it will timeout / escalated, if it's not), con:cern will
>>>> create a task for them. If the activity is marked optional, con:cern
>>>> creates an option, that can be executed (by their option).
>>>>
>>>> If you manage to deploy the vacation process demo and study it
>>>> parallely in the process monitor and in the con:cept editor, you will
>>>> get the picture.
>>>>
>>>> Regards,
>>>>
>>>> Holger
>>>>
>>>> On Tue, Dec 2, 2008 at 9:07 PM, frantisek kocun
>>>> <fra...@gm...> wrote:
>>>> > Hi,
>>>> > I'm trying to build the trunk. I it's a little bit complicated but I
>>>> managed
>>>> > to build all the project which demo project depends on (conform,
>>>> concern.
>>>> > concern-library, osbl, osbl-basics) and finally osbl-demo.  To build
>>>> > osbl-shell I need file osbl-shell\etc\custom-build.properties. How
>>>> does this
>>>> > file look like?
>>>> >
>>>> > Our problem with workflow is what should be modeled as task and what
>>>> as
>>>> > editation of business object, which has nothing to do with process.
>>>> That's
>>>> > why I'm trying con:cern and osbl. I'm curious how you deal with this.
>>>> So how
>>>> > you deal with this? Do you have something corresponding to task in
>>>> jbpm? Or
>>>> > do you only edit business objects which in turn notifies the process,
>>>> > business object is in (I think this is your case and the action/tasks
>>>> which
>>>> > can be done are determined by process). Or do you have tasks and
>>>> business
>>>> > objects as well? Is there any article on this topic? I think this is
>>>> the
>>>> > most important thing for systems dealing with processes and objects.
>>>> We
>>>> > don't have a classic document-based system. We have a system which has
>>>> a lot
>>>> > of CRUD with a lot of difficult constarints and a lot of business
>>>> logic in
>>>> > it. Modifying one object can trigger creation of tens of another
>>>> objects. I
>>>> > think we have processes in it as well (but we don't program it that
>>>> way).
>>>> > Sometimes you have an object which can be handled only in one way (or
>>>> in
>>>> > several ways depending of attributes values) but you can't see this as
>>>> a big
>>>> > picture.
>>>> >
>>>> > Thanks
>>>> >
>>>> > Fero
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > On Sun, Nov 30, 2008 at 9:49 PM, Holger Engels <he...@gm...>
>>>> wrote:
>>>> >>
>>>> >> Hi,
>>>> >>
>>>> >> the con:cern approach has its strength were you model the behaviour
>>>> of
>>>> >> isolated objects in respect to complex rules and influences with
>>>> >> special cases and the like. The possibility to manually influence
>>>> >> running instances, testability and the simple means to query the
>>>> state
>>>> >> of an instance and to find out, why things happen or do not happen
>>>> >> make working with con:cern very conventien.
>>>> >>
>>>> >> On the other side, it's sometimes hard to model sequential flows as
>>>> >> you need conditions and state for every step. Also there's not split
>>>> >> and join operation. If activities must be performed on an object has
>>>> >> children (1:n), you need to build a separate process for the children
>>>> >> and to coordinate the the parent's process with the children's
>>>> >> processes.
>>>> >>
>>>> >> However, I'm still convinced of the approach. We've built several
>>>> >> processes with con:cern now and development was always very straight.
>>>> >> Finding errors and reasons for errors is also straight forward.
>>>> >>
>>>> >> Please do not use osbl 1.0. It's quite old. Please checkout trunk
>>>> from
>>>> >> subversion. Trunk is stable at the moment, as we will release osbl
>>>> 1.2
>>>> >> by next week. con:cept will load the models from trunk.
>>>> >>
>>>> >> There's no documentation beside the osbl wiki. Though you should be
>>>> >> able to understand it by studying the examples.
>>>> >>
>>>> >> Kind regards,
>>>> >>
>>>> >> Holger Engels
>>>> >>
>>>> >>
>>>> >> On Sat, Nov 29, 2008 at 12:53 PM, frantisek kocun
>>>> >> <fra...@gm...> wrote:
>>>> >> > Hi,
>>>> >> > I'm evaluating OSBL and workflow engines in general. I have no
>>>> >> > experiences
>>>> >> > with workflow systems. I tried two engines and decided for jBPM.
>>>> But I
>>>> >> > have
>>>> >> > some doubt about it. And especially after reading all the patterns
>>>> from
>>>> >> > workflowpatterns.com, what is really good site. Why such easy
>>>> things
>>>> >> > needs
>>>> >> > so much effort to realize (tokens, decisions, events... all the
>>>> >> > imperative
>>>> >> > way). Last week when reading Case Handling: A New Paradigm for
>>>> Business
>>>> >> > Process Support by Wil M.P. van der Aalst I realized, that this is
>>>> what
>>>> >> > we
>>>> >> > need. But is just a feeling I don't have any evidence. To gain
>>>> evidence
>>>> >> > I
>>>> >> > must try a case handling system and model various situations, some
>>>> which
>>>> >> > are
>>>> >> > easy to model in jBPM and hopefully stay easy to model in concern,
>>>> and
>>>> >> > some
>>>> >> > which are hard to model in jBPM and will be easier to model in
>>>> concern.
>>>> >> >
>>>> >> > This is what I found very useful, hopefully I understood it well:
>>>> >> >
>>>> >> > Flow can be data driven but you still have the causal realtionship
>>>> >> > between
>>>> >> > tasks.
>>>> >> >
>>>> >> > I like the idea that subject is the same as process instance in
>>>> other
>>>> >> > workflow engines, which gave me power to make various queries with
>>>> user
>>>> >> > defined process variables (not only default variables, such as
>>>> process
>>>> >> > name,
>>>> >> > time created... I made it working in jBPM  with user defined
>>>> process
>>>> >> > variables as well but it was a lot of additional coding and several
>>>> >> > queries/subqueries are needed to do that job).
>>>> >> >
>>>> >> >
>>>> >> > My questions:
>>>> >> >
>>>> >> > 1.) Is there any working example of concern. I'm interested in
>>>> something
>>>> >> > easy like http://docs.jboss.org/jbpm/v3/userguide/tutorial.html .
>>>> >> > Process
>>>> >> > definition, code and junit tests. Not too much architecture,
>>>> because we
>>>> >> > have
>>>> >> > our own, and I want pluggable solution. Just to get familiar with
>>>> >> > process
>>>> >> > definitions, con:cern api and execution model.
>>>> >> >
>>>> >> > 2.) I downloaded osbl 1.0 and con:cept 1.1 and I can't open urlaub
>>>> and
>>>> >> > riskmanagement examples in designer. Probably they are using
>>>> different
>>>> >> > version of emf models.
>>>> >> >
>>>> >> > 3.) What are your experiences with con:cern so far? I have found
>>>> some
>>>> >> > older
>>>> >> > pages, but that time you were only beginning.
>>>> >> >
>>>> >> > 4.) Is there any comprehensive documentation for all the model
>>>> elements
>>>> >> > in
>>>> >> > con:cern language (preffered English but German is ok as well)?
>>>> >> >
>>>> >> > 5.) Can you point me to some interesting articles concernig case
>>>> >> > handling?
>>>> >> > The best with case handling and workflow examples.
>>>> >> >
>>>> >> > Thanks for help
>>>> >> >
>>>> >> > Fero
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> >
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>>>> >> > _______________________________________________
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>>>> >> > con...@li...
>>>> >> > https://lists.sourceforge.net/lists/listinfo/concern-users
>>>> >> >
>>>> >> >
>>>> >>
>>>> >>
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>>>> >
>>>> >
>>>> >
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>>>> >
>>>> >
>>>>
>>>>
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>>>> Grand prize is a trip for two to an Open Source event anywhere in the
>>>> world
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>>>
>>>
>>
>