[jboss-jira] [JBoss JIRA] Created: (JBPM-945) Miss MailAction hibernate mapping file!

[David Chan (JIRA)]

Miss MailAction hibernate mapping file!
---------------------------------------

                 Key: JBPM-945
                 URL: http://jira.jboss.com/jira/browse/JBPM-945
             Project: JBoss jBPM
          Issue Type: Bug
          Components: Core Engine
    Affects Versions: jBPM jPDL 3.2
         Environment: Windows XP SP2
Java JDK 1.5.0_10
Eclipse 3.2.1
            Reporter: David Chan
         Assigned To: Tom Baeyens


A process definition contains a node with type 'mail' like below:

<?xml version="1.0" encoding="UTF-8"?>

<process-definition
  xmlns="urn:jbpm.org:jpdl-3.2"  name="mail">
   <start-state name="start">
      <transition name="a" to="task1">
      	<mail name="starter" actors="ws" subject="TT" text="NN"></mail>
      </transition>
   </start-state>
   <end-state name="end1"></end-state>
   <task-node name="task1">
      <task name="task1"></task>
      <transition name="b" to="end1"></transition>
   </task-node>
</process-definition>

when I  use JBPMContext to store the definition into DB,  an exception will be thrown:

aused by: org.hibernate.HibernateException: instance not of expected entity type: org.jbpm.graph.action.MailAction is not a: org.jbpm.graph.def.Action

It's very clear that Hibernate can't know how to persist the class 'org.jbpm.graph.action.MailAction', in other words, there's no mapping file against to this class. So I created this file 'MailAction.hbm.xml', the content is very simple:

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping default-access="field">
  <subclass name="org.jbpm.graph.action.MailAction" extends="org.jbpm.graph.def.Action" discriminator-value="M"/>
</hibernate-mapping>

modify the Hibernate configuration file and add the file path as a mapping entry.
.....
<mapping resource="org/jbpm/graph/action/MailAction.hbm.xml"/>
.....

now run the process again, there's no problem!

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