Hey KenK,
sorry for my late reply; i was deep in some code here
I had the same problem, and i have solved it ;-)
Here's how it goes :
suppose your have an ejb called SampleEjb which has as a CMP field the
dependent object StringObject (the latter of course has to implement the Serializable
interface)
public class SampleBean implements EntityBean {
...
public StringObject strObject;
public void setStrObject(StringObject param) {
...
}
public StringObject getStrObject(){
...
}
...
}
public class StringObject implements Serializable {
private String theString;
public StringObject(String str) {
theString = str;
}
public String getString() {
return theString;
}
public void setString(String str){
this.theString = str;
}
}
in the ejbCreate() method of the SampleBean you should add a line like :
strObject = new StringObject();
You shoulld also provide business methods in your SampleBean so that you can set the
fields of the
dependent object like this :
public void setContent(String param) {
this.strObject.setString(param);
}
public String getContent() {
return this.strObject.getString();
}
If in a servlet or session bean you create a remote interface to a SampleBean instance
by :
SampleBeanHome home = getSampleBeanHome();
SampleBean sampleBean = home.create();
and you the proceed to set the fields of the SampleBean you should :
create a new instance of the strObject
and set is as a field for the instance of the SampleBean :
sampleBean.setStrObject(new StringObject("some content"));
This should put you right on track :-)
I develop using Together Controll Center on a Win2000 Pro WorkStation,
running PostgreSQL 7 on the same machine under VMWare and I can
save dependent objects to the database and retrieve them (even when
i stop jBoss and start it again later)
crypto
CTO - Shift@
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Ken K wrote:
> I am not sure if this is a Jboss or a Postgres JDBC
> problem. I am saving Java Objects to a Postgres DB
> using Entity Beans and then reading them back.
> Works fine as long as I do not stop the Jboss server
> after saving and before reading. If I do stop it then
> I get the below log output.
>
> Ken
>
> [PhotosEJB] TRANSACTION ROLLBACK EXCEPTION:Load failed; nested exception is:
> Bad Integer ?; nested exception is:
> java.rmi.ServerException: Load failed; nested exception is:
> Bad Integer ?
> [PhotosEJB] java.rmi.ServerException: Load failed; nested exception is:
> [PhotosEJB] Bad Integer ?
> [PhotosEJB] Bad Integer ?
> [PhotosEJB] at org.postgresql.jdbc2.ResultSet.getInt(ResultSet.java:262)
> [PhotosEJB] at org.postgresql.jdbc2.ResultSet.getObject(ResultSet.java:779)
> [PhotosEJB] at
>org.jboss.minerva.jdbc.ResultSetInPool.getObject(ResultSetInPool.java:557)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.getResultObject(JDBCCommand.java:384)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.handleResult(JDBCLoadEntityCommand.java:114)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand.executeStatementAndHandleResult(JDBCQueryCommand.java:59)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.jdbcExecute(JDBCCommand.java:158)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:77)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jaws.JAWSPersistenceManager.loadEntity(JAWSPersistenceManager.java:150)
> [PhotosEJB] at
>org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity(CMPPersistenceManager.java:277)
> [PhotosEJB] at
>org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:192)
> [PhotosEJB] at
>org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:186)
> [PhotosEJB] at
>org.jboss.ejb.plugins.TxInterceptorCMT.invokeNext(TxInterceptorCMT.java:133)
> [PhotosEJB] at
>org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:263)
> [PhotosEJB] at
>org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:99)
> [PhotosEJB] at
>org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:143)
> [PhotosEJB] at
>org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:195)
> [PhotosEJB] at org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:323)
> [PhotosEJB] at
>org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invoke(JRMPContainerInvoker.java:367)
> [PhotosEJB] at java.lang.reflect.Method.invoke(Native Method)
> [PhotosEJB] at
>sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:241)
> [PhotosEJB] at sun.rmi.transport.Transport$1.run(Transport.java:142)
> [PhotosEJB] at java.security.AccessController.doPrivileged(Native Method)
> [PhotosEJB] at sun.rmi.transport.Transport.serviceCall(Transport.java:139)
> [PhotosEJB] at
>sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:443)
> [PhotosEJB] at
>sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:643)
> [PhotosEJB] at java.lang.Thread.run(Thread.java:484)
>
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