Actually, i was incorrect in my first post where i said it happens on redeployment (or restart).
Restarting jboss resolves the problem. The problem only happens on hotdeployments. .peter -----Original Message----- From: Dain Sundstrom [mailto:[EMAIL PROTECTED]] Sent: Thursday, June 27, 2002 2:32 PM To: [EMAIL PROTECTED] Subject: Re: [JBoss-user] [JBossCMP2.0] Compound Primary Keys and CMR fields You have not implemented equals in your pk class. That code shouldn't even compile? -dain Luttrell, Peter wrote: > I have an entity bean with a compound primary key, where one of the > fields is a cmr field. The entity bean works perfectly after the first > deployment. I can set primary key, as well as do lookups and such. But > after I redeploy (or restart) I get the following error, whenever i > attempt to findByPrimaryKey for a valid record: > > 13:45:34,612 ERROR [STDERR] javax.ejb.FinderException: Find failed: > javax.ejb.EJBException: Internal > error getting results for field member key > Embedded Exception > Unable to load a ResultSet column into a variable of type '....MyKey' > 13:45:34,675 ERROR [STDERR] at > org.jboss.ejb.plugins.cmp.jdbc.JDBCAbstractQueryCommand.execute(J > DBCAbstractQueryCommand.java:143) > 13:45:34,690 ERROR [STDERR] at > org.jboss.ejb.plugins.cmp.jdbc.JDBCFindEntityCommand.execute(JDBC > FindEntityCommand.java:44) > ... > > My question is, should what I am doing work? If so then this is a bug > (or some other problem). If not, the beanvalidation should detect this > senerio and not allow the beans deployment. > > Here's some more details on what I am doing: > > <entity> > <ejb-name>MyBean</ejb-name> > <prim-key-class>....MyKey</prim-key-class> > ... > <cmp-field><field-name>key</field-name></cmp-field> > <cmp-field><field-name>year</field-name></cmp-field> > <cmp-field><field-name>month</field-name></cmp-field> > <primkey-field>key</primkey-field> > ... > </entity> > > > <ejb-relation> > <ejb-relation-name>....</ejb-relation-name> > <ejb-relationship-role> > <ejb-relationship-role-name>.....</ejb-relationship-role-name> > <multiplicity>One</multiplicity> > <relationship-role-source> > <ejb-name>...some other bean....</ejb-name> > </relationship-role-source> > <cmr-field> > <cmr-field-name>allMyBeans</cmr-field-name> > <cmr-field-type>java.util.Collection</cmr-field-type> > </cmr-field> > </ejb-relationship-role> > <ejb-relationship-role> > <ejb-relationship-role-name>.....</ejb-relationship-role-name> > <multiplicity>Many</multiplicity> > <relationship-role-source> > <ejb-name>MyBean</ejb-name> > </relationship-role-source> > <cmr-field> > <cmr-field-name>related</cmr-field-name> > </cmr-field> > </ejb-relationship-role> > </ejb-relation> > > public class MyKey implements Serializable{ > > private String name; > private Integer month; > private Integer year; > > public MyKey(){ > } > > public MyKey(Integer year, Integer month, String name){ > this.name= name; > this.month = month; > this.year = year; > } > > public String getName(){ > return name; > } > > public Integer getMonth(){ > return month; > } > > public Integer getYear(){ > return year; > } > > public boolean equals(Object obj){ > } > > public int hashCode(){ > return getName().hashCode() ^ getYear().hashCode() ^ > getMonth().hashCode(); > } > } > > public abstract class MyBeanimplements EntityBean { > > public abstract MyKey getKey(); > public abstract Integer getYear(); > public abstract Integer getMonth(); > > public abstract void setKey(MyKey key); > public abstract void setYear(Integer year); > public abstract void setMonth(Integer month); > > public abstract RelatedLocal getRelated(); > public abstract void setRelated(RelatedLocal related); > > public MyKey ejbCreate(Integer year, Integer month, String name) > throws CreateException { > > MyKey key = new MyKey(year, month, name); > setKey(key); > > setYear(year); > setMonth(month); > return null; > } > > public void ejbPostCreate(Integer year, Integer month, String name) { > > RelatedHomeLocal home = > RelatedLocal related = home.findByPrimaryKey(name); > setRelated(related); > } > ..... > } > ------------------------------------------------------- Sponsored by: ThinkGeek at http://www.ThinkGeek.com/ _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user This transmission contains information solely for intended recipient and may be privileged, confidential and/or otherwise protect from disclosure. 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