[Persistence, JBoss/CMP, Hibernate, Database] - A CMR collection may only be used within the transction in w
by jklanka
I have two Entoty Beans (CNTReport and CNTReportAct)
1. CNTReportBean having following XDoclet reference
* @ejb.bean name="CNTReport"
* display-name="Name for CNTReport"
* description="Description for CNTReport"
* jndi-name="ejb/CNTReport"
* local-jndi-name="ejb/CNTReportLocal"
* type="CMP"
* transaction-type="Container"
* cmp-version="2.x"
* primkey-field="cnt_id"
* view-type="both"
* schema = "CNTReportSchema"
*
* @ejb.transaction
* type="Required"
*
* @ejb.finder
* signature="java.util.Collection findAllContacts()"
* query="SELECT OBJECT(c) FROM CNTReportSchema AS c"
...
...
....
And also CMR Field defined like below
/**
* Getter for CMR Relationship
*
* @ejb.interface-method view-type="local"
* @ejb.relation name = "CNTReport-to-CNTReportAct"
* role-name = "CNTReport-has-Many-CNTReportAct"
* target-ejb = "CNTReportAct"
* target-role-name = "CNTReportAct-has-one-CNTReport"
* target-multiple = "no"
* @ejb.transaction
* type="Required"
* @return
*/
public abstract java.util.Collection getActions();
/**
* Setter for CMR Relationship
*
* @ejb.interface-method view-type="local"
*/
public abstract void setActions(java.util.Collection value);
1. CNTReportActBean having following XDoclet reference
/**
* @ejb.bean name="CNTReportAct"
* display-name="Name for CNTReportAct"
* description="Description for CNTReportAct"
* jndi-name="ejb/CNTReportAct"
* local-jndi-name="ejb/CNTReportActLocal"
* type="CMP"
* transaction-type="Container"
* cmp-version="2.x"
* primkey-field="id"
* view-type="both"
* schema = "CNTReportActSchema"
*
* @ejb.transaction
* type="Required"
*
*
And also CMR Field defined like below
/**
* Getter for CMR Relationship
*
* @ejb.interface-method view-type="local"
* @ejb.relation name = "CNTReport-to-CNTReportAct"
* role-name = "CNTReportAct-has-one-CNTReport"
* target-ejb = "CNTReport"
* target-role-name = "CNTReport-has-Many-CNTReportAct"
* target-multiple = "yes"
* @jboss.relation fk-column="cnt_id"
* related-pk-field="cnt_id"
* @ejb.transaction
* type="Required"
*/
public abstract com.contactreport.CNTReportLocal getContactReport();
/**
* Setter for CMR Relationship
*
* @ejb.interface-method view-type="local"
*/
public abstract void setContactReport(com.contactreport.CNTReportLocal value);
I am using the following codes in the Servlet to Access the Contact Reports
Collection cntReportDatas=null;
try {
cntReportDatas = home.findAllContacts();
} catch (Exception e) {out.print(e);}
req.setAttribute("cntReportDatas",cntReportDatas);
Now the cntReportDatas is forwared to JSP page and read. It is working fine. But when I call the getActions() method it gives the following error
java.lang.IllegalStateException: A CMR collection may only be used within the transction in which it was created
I went through so many forums and says that
"trying to access that CMR in a 'java-bean' which is NOT in the same transaction.
==
I am running this CMP in JBOSS 4.0.2.
Please help on this
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19 years, 9 months