I get an exception:
java.rmi.ServerException: RemoteException occurred in server thread; nested
exception is:
java.rmi.ServerException: EJBException:; nested exception is:
javax.ejb.EJBException: null; CausedByException is:
Method is not a known CMP field accessor, CMR field accessor, or ejbSelect
method: methodName=setParent; nested exception is:
javax.ejb.EJBException: Method is not a known CMP field accessor, CMR field
accessor, or ejbSelect method: methodName=setParent
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:292)
at sun.rmi.transport.Transport$1.run(Transport.java:148)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:144)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:7
01)
at java.lang.Thread.run(Thread.java:536)
at
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteC
all.java:247)
at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:133)
at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown Source)
at
org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProx
y.java:128)
at
org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:108)
at
org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:73
)
at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:76)
at org.jboss.proxy.ejb.EntityInterceptor.invoke(EntityInterceptor.java:116)
at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:76)
at $Proxy2.createSubFolder(Unknown Source)
at net.indaco.krakow.client.Main.main(Main.java:39)
Caused by: java.rmi.ServerException: EJBException:; nested exception is:
javax.ejb.EJBException: null; CausedByException is:
Method is not a known CMP field accessor, CMR field accessor, or ejbSelect
method: methodName=setParent; nested exception is:
javax.ejb.EJBException: Method is not a known CMP field accessor, CMR field
accessor, or ejbSelect method: methodName=setParent
at
org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java:355
)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:207)
at org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:493)
at org.jboss.ejb.Container.invoke(Container.java:720)
at org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:1055)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:517)
at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:370)
at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:261)
at sun.rmi.transport.Transport$1.run(Transport.java:148)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:144)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:7
01)
at java.lang.Thread.run(Thread.java:536)
Caused by: javax.ejb.EJBException: null; CausedByException is:
Method is not a known CMP field accessor, CMR field accessor, or ejbSelect
method: methodName=setParent; nested exception is:
javax.ejb.EJBException: Method is not a known CMP field accessor, CMR field
accessor, or ejbSelect method: methodName=setParent
at
net.indaco.cesati.catalogue.domain.bean.FolderBean.createSubFolder(FolderBea
n.java:147)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.ejb.EntityContainer$ContainerInterceptor.invoke(EntityContainer.ja
va:1191)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCRelationInterceptor.invoke(JDBCRelationIn
terceptor.java:95)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchron
izationInterceptor.java:308)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(Cach
edConnectionInterceptor.java:186)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterce
ptor.java:152)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.jav
a:107)
at
org.jboss.ejb.plugins.EntityCreationInterceptor.invoke(EntityCreationInterce
ptor.java:69)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor
.java:107)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.
java:178)
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:60)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:13
0)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:203)
... 15 more
Finished executing
Here is jbosscmp-jdbc.xml
<ejb-relation>
<ejb-relation-name>folder-parentfolder</ejb-relation-name>
<foreign-key-mapping/>
<ejb-relationship-role>
<ejb-relationship-role-name>one-folder-has-many-folders</ejb-relationship-ro
le-name>
<key-fields>
<key-field>
<field-name>id</field-name>
<column-name>parent</column-name>
</key-field>
</key-fields>
</ejb-relationship-role>
<ejb-relationship-role>
<ejb-relationship-role-name>one-folder-has-one-parentfolder</ejb-relationshi
p-role-name>
<key-fields/>
</ejb-relationship-role>
</ejb-relation>
ejb-jar.xml:
<entity >
<description><![CDATA[No Description.]]></description>
<ejb-name>CesatiFolder</ejb-name>
<home>net.indaco.cesati.catalogue.domain.interfaces.CesatiFolderHome</home>
<remote>net.indaco.cesati.catalogue.domain.interfaces.CesatiFolder</remote>
<ejb-class>net.indaco.cesati.catalogue.domain.bean.CesatiFolderCMP</ejb-clas
s>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
<reentrant>False</reentrant>
<cmp-version>2.x</cmp-version>
<abstract-schema-name>CesatiFolder</abstract-schema-name>
<cmp-field >
<description><![CDATA[]]></description>
<field-name>name</field-name>
</cmp-field>
<cmp-field >
<description><![CDATA[]]></description>
<field-name>id</field-name>
</cmp-field>
<cmp-field >
<description><![CDATA[]]></description>
<field-name>catalogue</field-name>
</cmp-field>
<primkey-field>id</primkey-field>
<query>
<query-method>
<method-name>findRootFolder</method-name>
<method-params>
<method-param>java.lang.String</method-param>
</method-params>
</query-method>
<result-type-mapping>Remote</result-type-mapping>
<ejb-ql><![CDATA[SELECT OBJECT(c) FROM CesatiFolder c WHERE
c.parent is null and c.catalogue = ?1]]></ejb-ql>
</query>
</entity>
<ejb-relation >
<ejb-relation-name>folder-parentfolder</ejb-relation-name>
<!-- bidirectional -->
<ejb-relationship-role >
<ejb-relationship-role-name>one-folder-has-many-folders</ejb-relationship-ro
le-name>
<multiplicity>One</multiplicity>
<relationship-role-source >
<ejb-name>CesatiFolder</ejb-name>
</relationship-role-source>
<cmr-field >
<cmr-field-name>folders</cmr-field-name>
<cmr-field-type>java.util.Collection</cmr-field-type>
</cmr-field>
</ejb-relationship-role>
<ejb-relationship-role >
<ejb-relationship-role-name>one-folder-has-one-parentfolder</ejb-relationshi
p-role-name>
<multiplicity>Many</multiplicity>
<relationship-role-source >
<ejb-name>CesatiFolder</ejb-name>
</relationship-role-source>
<cmr-field >
<cmr-field-name>parent</cmr-field-name>
</cmr-field>
</ejb-relationship-role>
</ejb-relation>
and FolderBean.java (I use xdoclet):
package net.indaco.cesati.catalogue.domain.bean;
import net.indaco.cesati.catalogue.domain.interfaces.CesatiFolder;
import net.indaco.cesati.catalogue.domain.interfaces.CesatiFolderHome;
import java.util.Collection;
import java.util.ArrayList;
/**
* @ejb:bean
* local-jndi-name="cesati/Folder"
* name="CesatiFolder"
* @ejb:persistence
* table-name="cesatifolder"
* @ejb:finder signature="Collection findRootFolder(java.lang.String
catalogue)"
* unchecked="true"
* query="SELECT OBJECT(c) FROM CesatiFolder c WHERE c.parent is null and
c.catalogue = ?1"
* result-type-mapping="Remote"
* @jboss:remove-table "true"
* @ejb:util generate="physical"
* @jboss:tuned-updates "false"
* @jboss:read-only "false"
*
*/
public abstract class FolderBean extends
net.indaco.krakow.catalogue.domain.bean.AbstractFolderBean {
/**
* @ejb:interface-method view-type="remote"
* @ejb:relation
* name="folder-parentfolder"
* role-name="one-folder-has-many-folders"
*
*/
public abstract java.util.Collection getFolders();
/**
* @ejb:interface-method view-type="remote"
*/
public abstract void setFolders(java.util.Collection folders);
/**
* @ejb:interface-method view-type="remote"
* @ejb:relation
* name="folder-parentfolder"
* role-name="one-folder-has-one-parentfolder"
* @jboss:relation related-pk-field="id"
* fk-column="parent"
*/
public abstract CesatiFolder getParent();
/**
* @ejb:interface-method view-type="remote"
*/
public abstract void setParent(CesatiFolder parent);
/**
* @ejb:interface-method view-type="remote"
*/
public CesatiFolder createSubFolder() {
CesatiFolderHome home =
(CesatiFolderHome)this._entityContext.getEJBHome();
try {
CesatiFolder folder = (CesatiFolder)home.create(this.getCatalogue());
/*
if(this.getFolders() == null) {
Collection coll = new ArrayList();
coll.add(folder);
this.setFolders(coll);
}
*/
folder.setParent((CesatiFolder)this._entityContext.getEJBObject());
//// EXCEPTION IS THROWN HERE
return folder;
}
catch(java.rmi.RemoteException e) {
throw new javax.ejb.EJBException(e);
}
catch(javax.ejb.CreateException e) {
throw new javax.ejb.EJBException(e);
}
}
}
Any idea?
Thx
Francesco Marsoni
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