Re: [Bodington-developers] quick question on finding things

[Brian P. C. <bm...@bm...>]

> That's really weird. So the only way you can get a UserDetail from a  
> PrimaryKey is if you have the PrimaryKey of the UserDetail which you  
> got from the UserDetail? and PrimaryKey can mean anything! It's a  
> VARIANT in COM speak. Roll on Tetra!
<*>This is an automated response, please do not reply.<*>
This program searches for the term "Tetra"  and issues the reply:

Go Tetra....<DAOSystemException: no statement begin/> bus 
.<DAOSystemException: no statement middle/> JBI. 

<*>End of automatic response.<*>
<*>End of automatic response.<*>
<*>End of automatic res
com.sun.appserv.server.ServerLifecycleException:
java.rmi.server.ExportException: Listen failed on port: 0; nested
exception is:
java.net.SocketException: Cannot assign requested address
at
com.sun.enterprise.admin.server.core.channel.Admin 
Channel.createRMIChannel(AdminChannel.java:79)
at
com.sun.enterprise.admin.server.core.AdminChannelL 
ifecycle.onInitialization(AdminChannelLifecycle.ja va:43)
at
com.sun.enterprise.server.ss.ASLazyKernel.initiali 
zeAdminService(ASLazyKernel.java:131)
at
com.sun.enterprise.server.ss.ASLazyKernel.startASS 
ocketServices(ASLazyKernel.java:51)
at com.sun.enterprise.server.PEMain.run(PEMain.java:2 74)
at com.sun.enterprise.server.PEMain.main(PEMain.java: 220)
Caused by: java.rmi.server.ExportException: Listen failed on 
port: 0;
nested exception is:
java.net.SocketException: Cannot assign requested address
at sun.rmi.transport.tcp.TCPTransport.listen(TCPTrans 
port.java:245)
... 731 more



> 
> Alistair
> 
> 
> On 22 May 2006, at 21:22, Matthew Buckett wrote:
> 
> > Alistair Young wrote:
> >> Before I dive off into bodguts, has anyone seen this before, or  
> >> any suggestions as to why it happens?
> >> UserDetail bodUserDetail = UserDetail.findUserDetail 
> >> (user.getPrimaryKey())
> >> where user = org.bodington.server.realm.User
> >
> > Yep this is because UserDetail has it's own primary key and the  
> > primary key of the refering User. Your asking for the UserDetail  
> > object with the primary key of the User which doesn't exist.
> >
> >> always gives a ClassCastException. Is a User.PrimaryKey different  
> >> from a UserDetail.PrimaryKey?
> >
> > You get this because the database layer is trying to case a User  
> > object found by its primary key into a UserDetail object.
> >
> >> Always have to use sql to get UserDetail from a User.
> >
> > Yep. UserDetail.findUserDetail("user_id = ?"); Or make a  
> > findUserDetailByUser which does the SQL behind the scenes. You may  
> > also want to make user_id an indexkey if performance becomes a  
> > problem.
> >
> > -- 
> >  -- Matthew Buckett, VLE Developer
> >  -- Learning Technologies Group, Oxford University Computing Services
> >  -- Tel: +44 (0)1865 283660 http://www.oucs.ox.ac.uk/ltg/
> >
> >
> > -------------------------------------------------------
> > Using Tomcat but need to do more? Need to support web services,  
> > security?
> > Get stuff done quickly with pre-integrated technology to make your  
> > job easier
> > Download IBM WebSphere Application Server v.1.0.1 based on Apache  
> > Geronimo
> > http://sel.as-us.falkag.net/sel? 
> > cmd=lnk&kid=120709&bid=263057&dat=121642
> > _______________________________________________
> > Bodington-developers mailing list
> > Bod...@li...
> > https://lists.sourceforge.net/lists/listinfo/bodington-developers
> 
> 
> 
> -------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
> Bodington-developers mailing list
> Bod...@li...
> https://lists.sourceforge.net/lists/listinfo/bodington-developers
>