Hi guys
I know that seam enhances JSF, but does seam handle bookmarkable url', i
remenber that if faces it a bit complicated deal with it because the pamateres
are hidden and there is no easy bean initialization, also usually during a
postback a page losses his parameters.
Does seam
Hi Guys
I evaluating some tecnologies for start the development of a portal system,
Seam ringed my bell because I want to use EJB I need to develop using
componentes like in Faces.
But i recently develop my first seriouslly application in Faces and honestly i
get disapointed by the way the
Hi guys
I'm trying to reassign a task instance to a new user, but i can't, the
information don't get saved on database, and i get no error output, i think
that's some with the way that the connection to the engine is made.
I open a connection when the first JSF phase begins and ended when the
no feedback? :(
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hi guys
I have a process definition to test the use of groups, and for that a assign a
group to task inserir dados, but when i try to fetch the group list, she's
empty.
Also i debug the code until the hibernate query, i don't know HQL, but i look
at the conditions, and looked at the tables,
Hi guys
I having this error on JBoss AS 4.0.5 all it points that the error comes from
the application server or hibernate, so I posting here. I'm kind of desperate
with this problem so any help would be great.
| 10:38:17,531 ERROR [STDERR] java.lang.LinkageError: loader constraints
I'm wandering if I'm ending a task instance correctly since I can figure out
the problem.
| engine.openSession();
| JbpmContext jbpmContext = engine.getJbpmContext();
|
|
| TaskInstance taskInstance =
kukeltje wrote : from what I read in other forums and on the internet, could
be related to classsloading issues or two things accessing the same
transaction. Sorry, but I hope you can investigate this a little further
yourself. That would be very helpful
yeah, but i'm following the code to a
estaub wrote : Ricardo,
| I'm no expert, but I'd be looking at your database and transaction
configurations. What database are you using? It looks like you're running in
Tomcat - yes?
|
i'm using jboss 4.0.5 and mysql 5
What I think thats weird is that i'm using only the command
oops, *what you said :)
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Here's my definition:
| ?xml version=1.0 encoding=UTF-8?
|
| process-definition
| xmlns= name=condition
|swimlane name=default
| assignment expression=user(grover)/assignment
|/swimlane
|end-state name=fim/end-state
|task-node name=which path
|
here's some info from the log:
| 11:02:38,218 DEBUG [Printer] listing entities:
| 11:02:38,218 DEBUG [Printer] org.jbpm.graph.node.TaskNode{signal=4,
events=[], action=null, leavingTransitions=[org.jbpm.graph.def.Transition#278],
isAsyncExclusive=false, superState=null,
an update:
kukeltje, i don't think that the problem comes from bug jbpm-443, since the
fields as bit have values, on the bug description is says that the fiekds had
an empty string not the case here.
Another thing on the database, jbpm_decisionconditions is empty, and on
jbpm_node the record
Hi guys I'm having this JVM error when trying to execute a
TaskInstanceEndCommand.
Here's the trace:
|
| 17:44:10,781 ERROR [STDERR] java.lang.LinkageError: loader constraints
violated when linking javax/transaction/Synchronization class
| 17:44:10,781 ERROR [STDERR] at
Ok this is getting a weird behavior.
If u use decision node like this:
| decision name=decisao
|transition name=repetir to=decidir o destinatario
| #{ contextInstance.variables.decisao == 'sim' }
| /transition
| transition name=fim to=end
| #{
Ok, so I will try this behavior with a decision node.
Guarded transitions, don't know the concept, could u explain please? don't find
relevant information on that, even on the docs.
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Ok, following your advice and looking at ruleFlow example, I change my
definition to:
| decision name=decisao
|transition name=repetir to=decidir o destinatario
| condition expression=#{ decisao == 'sim' } /
| /transition
| transition name=fim to=end
|
Hi guys, i recently had upgrade jbpm, but there is a problem on listing process
definitions.
I had this piece of code working:
Command cmd = new GetProcessDefinitionCommand(true);
| DataModel model = null;
|
| try {
| List l =
kukeltje wrote : http://jira.jboss.com/jira/browse/JBPM-443 ?
It's possible, but I replaced the BIT by TINYINT and the behavior is the same.
An update, if I choose nao on the first loop (yes, the process definition has
a lopp) it triggers a Linkage Error, if on a later loop just simply doesn't
Environment: jbpm 3.2 + mysql 5 + jboss as 4.0.5 + jdk 1.5.x
This is happening after the the action of this process been run, when I execute
TaskInstanceEndCommand, and untill now this happens only on this process.
|
| StartWorkOnTaskCommand cmd1 = new
apparently when i add a task to confinuar the problem vanish, still the error
that jbpm gives in the absence of task's is a bit odd.
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hi guys
here's my problem:
|task-node name=confinuar
| task name=deseja continuar swimlane=default
| controller
| variable name=decisao
access=read,write,required/variable
| /controller
| /task
| transition name=t end to=end
|
Hi
I'm getting this throw when running a TaskInstanceEndCommand, and i get no idea
why this is happening or what it means.
Appreciate any feedback on this!
| 16:13:47,593 INFO [STDOUT] THROW: java.lang.LinkageError: loader
constraints violated when linking
vtysh wrote : You can use NewProcessInstanceCommand with createStartTask as
true, if returned value will be null then you will know, that process doesn't
contain a start task. Then you can use SignalCommand or some other one to move
process from start state to first task node.
i have take your
Hi guys, i'm having a problem with start-states, i had looked at the docs but
still i'm a bit confused.
I tried to run this process, and i got nothing on user task list. when I
removed the start-state (because I had read somewhere that wasn't mandatory),
and still i hadn't nothing on the
ok, thanks for your reply i guess i will digg up a bit hibernate to lear to do
that.
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OK it works now, but still i don't wanna define memberships to all my users, so
for the behavior that i want, what's the best aproach?
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Don't have sure that's the correct scenario, but the one who creates an
instance could be different from the one who works on it.
If there is a jdl feature for this on process design it should be available on
the engine level.
Or not..
syngolis, can u later post here the url for the jira
Hi
Is there any way to get a group list? i had check the identity session, the
methods are only to retrieve a group by a given name. I want to get a list of
them. Must i write a hibernate query for this?
thanks in advance
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have u tried to use the latest eclipse and GPD version? eclipse 2 is too old.
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btw continuing a bit my saga. The same process, now the full version:
| start-state name=enter request
| task name=request entry
| controller
| variable name=start date
access=read,write,required/variable
| variable name=duration
I get an error trying to do that: org.jbpm.graph.def.DelegationException:
couldn't resolve assignment expression 'group(users)-member(team leader)'
PS: i'm looking at the database, there is no another group users.
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Unsupported major.minor version 49.0
This reminds me different JVM versions errors.
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Hi guys
Continuing a bit the problem in this topic:
http://www.jboss.com/index.html?module=bbop=viewtopict=73247
but not quite.
i have this process definition piece:
| start-state name=enter request
| task name=request entry
| controller
| variable
I'm having a similar problem, but i'm using the expressions directly:
| start-state name=enter request
| task name=request entry
| controller
| variable name=start date
access=read,write,required/variable
| variable name=duration
Hi
i'm try to upload a process to the jbpm engine, using file upload from tomahawk
library, but i having this exception:
|
| Caused by: org.jbpm.JbpmException: process definition does not have a name
| at
org.jbpm.db.GraphSession.deployProcessDefinition(GraphSession.java:80)
yes it does, i forgot to paste the definition:
|
| ?xml version=1.0 encoding=UTF-8?
|
| process-definition
| xmlns=urn:jbpm.org:jpdl-3.1 name=holiday-request
|swimlane name=initiator
| assignment expression=user(grover)/assignment
|/swimlane
|start-state
Hi i'm trying start a new process definition instance, but by something that i
don't understand i can't. I get no output on deploy and on creating the new
instance, i have'd checked the database, the instance isn't created.
The process definition:
| ?xml version=1.0 encoding=UTF-8?
|
|
Hi
I'm trying to set a user password, but for some reason. the data don't get
saved. I'm wondering if i'm using this the correct way. Here's my code:
| public void changePassword(String name, String newPassword) {
|
| User user = identitySession.getUserByName(name);
|
Hi guys
I'm using ejb with a web application on jboss 4.0.5 with jdk 1.5 and i'm
getting this exception:
| 11:53:50,390 WARN [AbstractInstanceCache] failed to passivate,
id=f373o8gy-s
| javax.ejb.EJBException: Could not passivate; failed to save state
| at
Hi guys
Given a task instance I'm trying to reassign that instance to another user, but
when i do that all the task instance from that process instance stay assign to
that user, instead of just of the one task instance that I specified.
Where's the code and the process definition:
I'm using JBoss AS 4.0.5 and JBPM 3.2. The hibernate version, is the one that
comes with JBoss AS.
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Hi guys, while getting the comments for a task instance using the command
interface, i'm having this exception:
| 12:19:00,265 ERROR [LazyInitializationException] failed to lazily
initialize a collection of role: org.jbpm.taskmgmt.exe.TaskInstance.comments,
no session or session was closed
Hi guys
I'm having this exception:
| 15:22:17,093 ERROR [STDERR] java.lang.ClassCastException:
org.hibernate.collection.PersistentList
| 15:22:17,093 ERROR [STDERR] at
com.pep.workflow.console.beans.Task.fetchComments(Task.java:188)
| 15:22:17,093 ERROR [STDERR] at
roccolocko wrote : Although you do can make some validation of this variables
with bean shell, I would recomend that you make the validations before you put
them on jbpm, for example with Validator in case you are using JSF.
That's my ideia! But I need to have something at process design level
For now... I had resolved the problem the following way (not sure that's the
correct one), until now I get a task from the task list then start the work on
the task and when the user had filled up the form i ended the task. This was
giving me problems on canceling (if doing nothing), because on
Ok, thanks for the feedback.
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Hi
From what i have get until now, please correct me if I am wrong, at process
design level, we can't declare variable types, only string variables, so... in
some cases those strings must be cast\converter to other formats on the java
code (actions).
So... is there some way to specify the
So using bean shell script on process definition is the best way to do it? On
that case the validation is on the script, and i wanted at the user level.
I was thinking on defining a regular expression on jpdl that I could access
throut the API, and validate on user level, don't know if it is
Hi Guys
I want to cancel a task without ending it. But from the code on
TaskInstance.java I can't see how can I do that out of the box.
What I need to do is: a user start's a work on a task but then cancel's it, and
the task doesn't signal and return's do the user tasklist.
Thanks in
yes, but if I cancel it from the API, the task instance is terminated and it
moves to the next node. I want that it stays in the same node, where the cancel
action was called.
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Sorry I haven't get that. But doing so... I get the task instance out of the
tasklist, i think that is because i'm starting the work on the task, and leave
it open.
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Probally my english wasn't clear, let me try again.
If I do nothing, the task doesn't continue, but also doesn't appear on my
tasklist, do i need to suspend or resume ? Or those methods aren't fit to that?
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Ronald, thanks for your answer...
kukeltje wrote : you probably meant to say: I guess that it should NOT give
me this results, because i'm not on the node evaluate request (i guess).
|
Yup you are right :)
kukeltje wrote :
| Well, don't guess, be sure... turn up the log level to debug
I have discovered an working example on taskbean.java on jbpm 3.1 starters kit
(web console). With that code it work's fine.
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Hi
I have this process definition:
| ?xml version=1.0 encoding=UTF-8?
|
| process-definition
| xmlns=urn:jbpm.org:jpdl-3.1 name=holiday-request
|swimlane name=initiator
| assignment expression=user(grover)/assignment
|/swimlane
|start-state name=enter
Hi all
I'm trying to use jboss portal 2.2 + jboss AS 4.0.5 + mysql 5, i have followed
the instrutions but when i deploy the portal i get errors onj first deploying
saying some table problems (can't reproduce right, i will paste here tomorrow
if need).
And also i get these on management block:
I get a null value on that value, is there some obvious reason on that may
happend ?
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Hi
I don't know if this forum is the right place for this, sorry for that, but i'm
developing an JSF applicaton, and I want to access the jboss logging services,
any hind how can i do that?
thanks in advance.
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hello
I'm having some trouble accessing process variables to user input.
I'm retrieving the information remotly width:
| Command cmd = new GetTaskInstanceCommand(tid);
| Object result = getEjbClient().getCommandService().execute(cmd);
| this.taskInstance = (TaskInstance) result;
|
BTW i turn the debug and I get this:
| 17:30:57,484 DEBUG [AbstractFlushingEventListener] Flushing entities and
processing referenced collections
| 17:30:57,484 DEBUG [Collections] Collection found:
[org.jbpm.taskmgmt.exe.TaskInstance.variableInstances#11], was:
Is there some example on using this? chapter 10 and 11 give some lights but
still...
I've read also some stuff about TaskController but i can see how I call him.
Really need some help here, thanks!
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Hi I'm using the following process, and I wanted to start a work on a instance
of this process, and give some input to the process continues.
I access the user grover tasklist and start a work on a task instance using the
class StartWorkOnTaskCommand, after this i wanna show the variables
Someone see anything that could be wrong?
Process:
|
| ?xml version=1.0 encoding=UTF-8?
|
| process-definition
| xmlns=urn:jbpm.org:jpdl-3.2
| name=simple
|start-state name=start
| transition name=to_state to=first
| action name=action
Thanks for the quick reply kukeltje. I'm really getting nuts with this. Here's
the log, please let me know if is enough for you.
By the way, i've tried the code the same way than I, and the result was the
same.
|
| 13:37:04,750 DEBUG [DefaultSaveOrUpdateEventListener] saving transient
Hello Martin, thanks for your feedback.
Regarding your post, you got the rabbit! I get no rows for that query. In fact
I only get rows for the first two process that I deployed, and I going on 15th.
The code i'm using to deploy is this:
| JbpmConfiguration jbpmConfiguration =
Wee! It works now thanks man, I will make sure that you will have a place
in heaven :P
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Ok here's the log:
| 10:31:20,953 DEBUG [CommandServiceBean] getting jbpm configuration resource
from the environment properties
| 10:31:21,390 DEBUG [UIComponentTag] Exited encodeEnd for client-Id: _idJsp0
| 10:31:21,390 DEBUG [CommandServiceBean] couldn't find configuration
property
BTW, i'm trying to isolate the problem, now i've tried to execute the process
from another way, this time using StartProcessInstanceCommand.
Using this code:
| Properties props = System.getProperties();
| try {
|
| props.put(Context.INITIAL_CONTEXT_FACTORY,
Hi guys
I have the following process:
| process-definition
| xmlns=urn:jbpm.org:jpdl-3.1 name=sendmail
|start-state name=Inicio
| transition name= to=Send Mail/transition
|/start-state
|end-state name=Fim/end-state
|node name=Send Mail
|
The package name isn't a problem, my mistake and I paste the code here.
Regarding how the process is design, i had look at the websale example,
particulary to this part:
| node name=update books
| action class=org.jbpm.websale.UpdateBooks
| msgaccountancy application is now
I suspect that the problem has something doing with i'm using the class
NewProcessInstanceCommand to start an execution, but something more must miss.
Do I need to signal a instance to start even i had a start node?
help needed!
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Hi all
My purpuse is, from a user (grover on this case), be able to start a process
and view that process on the tasklist.
I think I haven't got many problems starting the process, but something must
miss, I see the instance created on jbpm_processinstance, but can see the
results of the
Hi
This is my scenario, please correct me if it's wrong. I have a main class that
start's my engine with the code:
| private JbpmConfiguration jbpmConfiguration = null;
| private JbpmContext jbpmContext = null;
|
| this.jbpmConfiguration = JbpmConfiguration.getInstance();
|
Yeah I'm getting there, but slowly... :)
Just don't get one thing, where are the classes deployed on the database? I'm
asking this because my purpuse is to use the same Actions to many process
definitions.
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ok thanks, but still regarding the PAR files, I'm looking at the data model,
table jbpm_processdefinition, by the name I guess that's where the process
files are kept. Is my guess right?
Because I can't see where the classes and definition files are kept, it doesn't
like the table
hi all
I have this code to upload a definition that I created on eclipse, but it
simply doesn't deploy, and doesn't output any kind of error.
I'm using the following code:
| JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance();
| JbpmContext jbpmContext =
Hi
Is it possible without hacking the core of jBPM, to an action comunicates (JMS
or by some kind of call) with another process instance, to trigger some kind of
behavior?
Thanks
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Hi
Is there somewhere something ragarding the PAR files definition, rules, how
they are composed something like that. I can see eclipse creates them, but
i'like to know what's mandatory or not.
Thanks
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hi guys
I really need some feedback here please. I have try to find out the start point
of the application, but I can't, i still don't get how this part works.
Thanks
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humm is there some doc regarding this problem? I've never used this database so
i don't get the clue how to do that.
I'm probably going to try to use mysql, i think i have read some doc about
that, but don't know where.
Thanks anyway :)
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Hi all
| JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance();
| JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
|
One thing that I don't understand, when I create a jbpm context, am I creating
an engine instance, or connecting to one?
Is the
which sql script are you using to create the database? there a script for mysql
5 on jboss wiki, i guess that one that comes width jbpm 3.2 doesn't work very
well.
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look at this: http://wiki.jboss.org/wiki/Wiki.jsp?page=JbpmOnTomcat
I've followed this tutorial and i have everything except the realm
autentication working
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Hi all
I've read about the Actions but I'm here width some questions, that i
appreciate some feedback:
Can a action accept arguments and variables?
Is an action always associated with a process, or i could have the same action
for various process deployed? Can i retrieve the list of Actions
Thanks it helped :)
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Hi guys
I'm getting this error when running the web app sample, with the jbpm 3.2
hibernate configurations:
| 18:09:21,996 ERROR [STDERR] org.hibernate.exception.SQLGrammarException:
could not execute query
| at
Hi
Can I retrive via Bean a list of all actions avaiable? Does the existing beans
can do that, or must i write a Bean for that purpose? Or does the actions are
only deployed for their process?
Thank's
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I've reading the workflow patterns and what i'm talking about is triggers,
pattern 24 and 25.
Is this implemented? If not, maybe i can do it, if a have a little support on
the API, since is completely unknowned to me.
Need some urgent feedback on this issue.
Thanks in advance.
View the
Hi all
I'm currently evaluating jBPM, and after reading some docs I'm still wondering
how can i contact the jBPM server, to interact with the API. When I develop an
Action how can I deploy it? Must I recompile jBPM with that option?
View the original post :
Well I've read some documentation on the forum and the jPDL User Guide, I guess
I was hopping the find some documentation on the API (except the javadoc), with
some examples and stuff like that.
About my classes deployment, like Actions, how is the deployment done? Is there
an API for that?
Hi all
I'm new on this area and I'm trying to evaluate some solutions in this area.
Here's my case: I want a process designer (BPMN) that saves the information in
xpdl, then by some way, convert the xpdl file on a bpel file to deploy in jbpm.
Is this convertion possible (xpdl-bpel) ? Can u
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