[rules-users] MySQL / Postgres With Human Task Process Sample

[Mauricio Salatino]

Take it easy man... I have here Drools Flow running with PostgreSQL I will
try to package the project and then publish it in my blog.. I will send you
the link when it's ready..

2009/7/24 JunckyUser <rafiuddin.mk at gmail.com>

> I Don't think Drools Flow is used by this user-list group. I am searching
> at wrong place. Can any one help me in getting a "link or sample on MySQL or
> Postgress with Human Task process"............
>
> JunckyUser wrote:
>  Hi, New to Drools, can any one provide a link or sample on...<http://www.nabble.com/user/SendEmail.jtp?type=post&post=24639830&i=0>MySQL Human Task process. Cristiano Gavião have you able to solve your
> issues mentioned in this thread. Thanks in Advance...
>
> Cristiano Gavião wrote:
>  Hi, I was trying to change the persistence settings for human task process
> server for using MySQL instead of H2DB. I was following the Drools Flows
> Documentation on chapter 5.1.3.: Configuring Persistence.(
> https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/docs/drools-flow/html_single/index.html#d0e1157) I read on docs that I should override the persistence.xml of the
> drools-process-enterprise.jar, create the drools.session.conf with some
> contents (i don`t undestand` what it is...) and put them on my project
> META-INF directory... ok? I created the files as stated on docs but it
> didn't work... My example runned ok, but using the H2DB and not my MYSQL. //
> Use persistence.xml configuration emf =
> Persistence.createEntityManagerFactory("org.drools.persistence.jpa");
> taskService = new TaskService(emf); taskSession =
> taskService.createSession(); server = new MinaTaskServer(taskService);
> Thread thread = new Thread(server); thread.start(); Thread.sleep(500);
> System.out.println("Server started ..."); After some investigation I could
> see that the example recommended by Mark Proctor (TaskLifeCycleTest.java,
> and others that use MinaTaskServer) use that is setting on
> drools-process-task.jar and not the "org.drools.persistence.jpa" on
> drools-process-enterprise.jar as stated on documentation... First question,
> which one should I use for use the Drools Flows Server and Client? emf =
> Persistence.createEntityManagerFactory( "org.drools.task" ); emf =
> Persistence.createEntityManagerFactory("org.drools.persistence.jpa"); I test
> the first option. I changed the persistence.xml file and use the code below:
> // Use persistence.xml configuration emf =
> Persistence.createEntityManagerFactory("org.drools.task"); taskService = new
> TaskService(emf); taskSession = taskService.createSession(); server = new
> MinaTaskServer(taskService); Thread thread = new Thread(server);
> thread.start(); Thread.sleep(500); System.out.println("Server started ...");
> Hummm.... It runs and connect well to my MySQL. but now it brings me a
> error... java.lang.IllegalArgumentException: Named query not found:
> UnescalatedDeadlines at org .hibernate .ejb .AbstractEntityManagerImpl
> .createNamedQuery(AbstractEntityManagerImpl.java:108) at
> org.drools.task.service.TaskService.(TaskService.java:84) at
> org.drools.task.service.TaskService.(TaskService.java:68) It sounds like it
> was not possible to find orm.xml that is on META-INF of
> drools-process-task.jar. But when I copy the orm.xml file to my project
> META-INF it works ok.... Could someone give some ideas how can I solve this
> problem.. Thanks a lot Cristiano
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