Hibernate 2.0.2 has been released today, various improvements, new
features and important bugfixes. Get it from the usual place.
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> > sf = [EMAIL PROTECTED]
> > session : [EMAIL PROTECTED]
>
> > Cannot read data
>
> > net.sf.hibernate.MappingException: No persister for: bo.Reception at
> net.sf.hibernate.impl.SessionFactoryImpl.getPersister(SessionFact
out
fine, I will cleanup the documentation directory a bit more and remove
the old pages and unused images and so on...
BTW: The DocBook toolchain is really very painful...
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;' Practices
I agree with all of this practices and it is of course essential for a
beginner to know about this things.
I hope I will finish the DocBook transition today, how about an
additional chapter "Best Practices"?
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d somehat remedy
this problem, but I don't like these patterns when using POJOs instead
of Entity Beans.
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I just updated the Hibernate Wiki site with the new Logo and changed
some of the colours and styles accordingly. I hope everyone is happy with
the changes.
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ate managed this application at 1.0.1, which was only two or three
weeks ago. I know from my experience that it will take a lot more to
make a useful application. I doubt anyone is currently using Hibernate
for that purpose (no offence meant, I really believe it will be in the
nea
On 15 Feb (18:20), Claudia Acosta wrote:
> I wanna know how does Hibernate works? In general lines
Please read the FAQs and the other pages on the Hibernate Wiki site.
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s work?
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T H I
This whole topic is really complex and any discussion about that would
be difficult, because you cannot explain the problems in two sentences
or exchange 10 lines of source code that are problematic.
BTW, my current work on this subject will result as a more detailed
"recommended approach&quo
ed that too, but only the
classic JSP/Servlet/DataAccess Webapp. Has anyone implemented a
three-tier system with Hibernate and lazy collections yet?
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ented Commons stuff.
I don't see where the benefit of using Maven is and certainly don't want
to follow the Apache Group road. Is there something wrong with the
current build process?
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ew logo to the header.
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hold the Hibernate Session in a J2EE-environment.
I never did any programming with threads before, so it was a new concept
for me. If ThreadLocal is news for anyone else, have a look at this good
explanation:
http://www-106.ibm.com/developerworks/java/library/
Three days since I put the Logo up on the Wiki and no comment yet?
Everyone happy with it? :) So I'll just go ahead and create new
templates for our website...
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t?
This could be mapped in different ways. Assuming that this type of
association is a composition, you could use a component mapping:
http://hibernate.bluemars.net/hib_docs/reference/html_single/#adv-or-mapping-s2
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The first Logo is here:
http://hibernate.bluemars.net/60.html
Please add your comments to the Wiki page.
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are you planning your Web
e', 'all' and other subselect related expressions only allow
things like
select foo from my.Foo
where "a_String" in foo.bar.elements
Of course, no substring searching is possible with this where clause.
The only so
The current default is surprising to new users.
++
> * Change the default for default-cascade to "save-update"
> in the new DTD.
>
> I am undecided ... interested to hear the views of others.
This would be too much like &qu
ers properly now).
I will commit a README for the build process and shell scripts later today.
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ht
et ?
Please send me the images, I'll put them on the wiki. You'll have to
reference the images in your pages later on (I'll make an example for
this, too).
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res in docbook. Could you tell me
> exactly how up to date the docbook text is compared to the aft text? I
> did make a couple of minor changes this week and I might need to copy
> them over.
You will need to add your changes, the converted version is more than a
w
so have notes on bi-directional
> associations.
It is also an item in the FAQ.
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27;s currently no support for tables in coWiki.
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usable, I'll of course upgrade to the latest version...
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ersion early next week.
It's all not too difficult but time consuming stuff...
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an additional idiom (tl collections) in Hibernate or not.
Data Integrity: I'm not a DB newbie, so I noticed the missing foreign
key on first sight. But this is just the implementation of toplevel
collections, which could be changed if the idi
I just updated the Logo/Design proposal page on the Wiki.
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s Facade. And this was only have the system up from
the bottom, there are some other "Sessions" in the top layer.
Ok, it's not that serious, but I feel alot better already ;)
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Hibernate 2.1 beta 1 has been released today. Please test it and report
any issue on our JIRA tracker. See the Road Map for new features and the
Changelog in the distribution for fixes and other improvements.
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tion. Since now the work
> > is focused on some changes for Hibernate 2, this could be the
> > right time to do this kind of change. This would simplify the
> > error handling in the applications.
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ttp://incubator.apache.org/projects/geronimo.html
Thanks!
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ot finished, only a quick exported preview from
one of our designers! He has the vector original version and everything.
I'll provide real "powered by"-able versions soon!
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On 04 Feb (19:13), Max Rydahl Andersen wrote:
> Could you not keep the different versions on the page so people can compare
> the differences ?
The old version is back online now.
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> I guess I can go in and remove this file from the .jar file, but why was
> it there in the first place?
Simple error in the release process, just remove it from the JAR.
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n the developer list for more information about
this, I'm using a ThreadLocal now (Wiki for more info).
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.add(this);
// Set new Parent
this.parent = newParent;
}
}
This is similar to the Composite Pattern (or better, a part of it):
http://www.idg.net/english/crd_composite_948016.html
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either is it quite like
> the ODMG Database or JDO PersistenceManager which, by their
> names, imply a long-lived, singleton-style object.
When I had a first look at the JDO API, I really liked
PersistenceManagerFactory
PersistenceManager
Why not use the good things from JDO? :)
--
Chr
by the read session will still return the
> original values. A simplified example containing both the persistable
> object and a main() to test it follows.
This is expected behaviour. The Session is a cache of objects for one
Unit of Work. Don't keep it open longer than absolutely nec
ferent implementation and some
features our Criteria doesn't have or would be outside the scope (like
modification of the graph).
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s
Many people asked this question recently, so I'll add a new section in
the documentation. Maybe tomorrow.
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nate.bluemars.net/index.php?cmd=search&q=log4j.properties
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Download
ached :) They missed some important details
though, but surprisingly good results so far...
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e new schema in several steps.
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rasad chandrasekaran
See reference documentation, "Ending a Session". Session.save() is a
call that is not related to the others though.
Transaction.commit() does a Session.flush().
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eveloper mailinglist. Read
the documentation and after you followed the other instructions on the
Wiki, you may ask on the forum. Thanks.
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rwise its not worth talking about
- propose a simple, clean and easy solution without new dependencies
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On 27 Aug (10:00), Les Hazlewood wrote:
> Unfortunately, this approach does not solve the versioning dependencies, but
> at least it is a manageable approach to getting jar files out of cvs.
Why do we want the dependent JARs out of CVS?
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ables in a transaction.
> So if the child transaction fails the parent Transaction should rollback.
>
> Even if somebody points me out in a right direction, it would help me a lot.
There is a thing we call "Transactions" for exactly this purpose. Please
read the documentatio
On 01 Sep (18:00), Butt, Dudley wrote:
> Has anyone got any pointers on how to perform a batch insert into? like 3000 +
> records
With SQL and JDBC calls.
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find this method in the current javadocs at
> http://www.hibernate.org/hib_docs/api/net/sf/hibernate/Session.html
This is a Hibernate 2.1 feature which is in beta. Check the docs
packaged with the distribution, not on the website.
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n taken care by Hibernate when
> clustered?
You want to cluster components of a single class to multiple databases?
Are you sure?
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o all the others that invested many hours
of their spare time. Open Source is only possible because of you!
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low Hibernate users:
Do you have any questions about the Hibernate/JBoss merger?
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27;t post Gavin's email to TSS.
Thats one of the issues. But it was actually expected that some people
will have not only additional reasonable questions but post without
reading any of the announcements. I'd like to have a FAQ ready for this,
it's just bor
On 17 Sep (23:30), jun cai wrote:
> I'm using hibernate 2.03,when I run demo.bat in hibernate root directory.Some error
> displayed:
The classpath setting in the .bat file is broken. It will be fixed in
the next release.
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On 19 Sep (08:26), Kevin O'Neill wrote:
> One question I have is ... who will own the copyright on the source?
The author(s), of course.
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hat file has been changed and should be checked.
The other option, doing "inline" translation and marking the paragraphs
with an attribute is not really good. We go with a separate 'src'.
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On 25 Sep (19:55), Prasad Iyer wrote:
> I get this error can anyone help me in solving this
Please use the forum instead of the developer mailinglist for help
requests.
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On 29 Sep (03:17), Mao, Dean (IHG) wrote:
> for a startup time of 2.5 seconds, how many persisted classes are you using
> with hibernate?
I'm having 50, ca. 2 seconds, Pentium M 1.6 Ghz.
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On 02 Oct (19:29), Cameron Braid wrote:
> Or is there a 2.1 beta 3 specific set of docs..
>
> DO I need to get them from CVS ? If so which repo ?
No, the 2.1 documentation is in the doc/ subdirectory of the 2.1
distribution.
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On 03 Oct (13:08), Torben Norling wrote:
> Seems like the forum isn't sending out any activation
> e-mail's. I've tried to create the user "torben" and
> "torben2".
"torben2" is active and I don't have any other mails in the queue. We
ha
On 08 Oct (12:58), Prasad Iyer wrote:
> How do I stop reading clob twice.
By asking the user forum.
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ibernate.sourceforge.net: M PserverBackend::PserverBackend() Connect
> (Connection refused)
SourceForge anonymous CVS is not reliable, use our nightly snapshots.
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On 09 Oct (17:14), khote wrote:
> the maven hibernate plugin seems to have disappeared, does anybody here know
> where it is?
No.
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On 11 Oct (16:17), khote wrote:
> Is the sourceforge repository expected to be up any time soon?
> I can't update my checkout, I can't get a new checkout, sourceforge is not
> responding.
We can't do much about that. They upgraded the CVS server farm last time
I check
an be
found on SourceForge.
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On 15 Oct (17:08), Butt, Dudley wrote:
> Just wanting to know if anyone may have some pointers on how to do a mass import
> into a database DB2 from a csv file?
With the DB2 database tools?
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ager that going with Hibernate
> is the right decision.
http://www.hibernate.org/Documentation/WhoUsesHibernate
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t; Configuration();"
http://www.hibernate.org/?cmd=srchdoc&q=ExceptionInInitializerError
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ot; + field1 + "' ";
Thats correct. HQL joins on an implicit join condition (the association
mapping) and not on an explicit join condition. For an inner join, you
can of course use theta style, like you did.
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m like you did: where foo.one = bar.one, but that
doesn't give you an outer join, of course. Remember that HQL is not
about tables, but classes, properties and associations.
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On 18 Oct (20:42), Sandeep Dath wrote:
> I've heard some good things about it. Anyway, my question is "What does
> adding Axion to the supported databases list" entail?
Well, a new Dialect should be enough.
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On 20 Oct (02:41), Joe Hertz wrote:
> The JSP generated code is now throwing an exception
> (javax.servlet.ServletException: net/sf/hibernate/Session) to be thrown
> at the line indicated below, which doesn't tell my newbie self much.
Please show the Exception...
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anything (maybe a ClassNotFound?), so I can't help you here.
Please ask in the user forum.
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> by the query's list() or iterate() methods.
A collection of Object[], where index 0 is a Cat and index 1 is an
Integer.
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Do yo
On 23 Oct (12:44), Nikolay Ganev wrote:
> I need to add and retrieve object to/from Hibernate Session. In other words I need 2
> methods in session:
> getObject()
> setObject(...)
Why?!
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e more "mostly"
useless dependencies, but I need some time to look up the Todo list we
made in Aarhus. It's in one of those cardboard boxes, but I'm not sure
in what appartment ;)
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On 27 Oct (09:12), Miguel Henley wrote:
> It's not clear to me the difference between the XML element and the XML
> element at the hibernate mappings file.
> Can someone explain me that ?
Please read the documentation.
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On 27 Oct (15:48), [EMAIL PROTECTED] wrote:
> does anybody know the exact licensing terms of the odmg.jar file? I was
> unable to find anything mentioning something about it.
http://forum.hibernate.org/viewtopic.php?t=924813
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son for a domain model in the first place. :)
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On 30 Oct (13:02), Wojciech wrote:
> I'd like to know if the oracle dialect uses the oracle O-R features, or is
> it using the traditional relational aproach?
It doesn't use any proprietary object/relational features (well, all
such extensions are).
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It least Hibernate
doesn't get boring.
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]
Please stop that.
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etter, but no doubt more
> secure?
I'll answer it in some more detail later on the Wiki, but here is an old
thread that might answer your questions:
http://forum.hibernate.org/viewtopic.php?t=924565
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h composite identifiers ;)
> (b) solve problems for people who try to do this:
I'm a really not sure about this.
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sion in each R-R cycle, but don't forget to
disconnect() and reconnect() it. Use a Servlet Filter, this works great
with the Open Session View pattern.
Be careful though, your scope changes with that technique and you may
have "half"-stale data for a long time.
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[-- text/html is unsupported (use 'v' to view this part) --]
Please all stop that.
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No. Please consult the user forum for support questions.
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On 13 Nov (19:28), Sandeep Dath wrote:
> Perhaps there could also be a *little* more documentation (all supporting
> caching frameworks) on caching, and caching best practices?
On my desk and will soon be in CVS.
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CS and our "recommended", easy to install/config bundled
cache.
I'd say JDK 1.3 compatibility is a must for Hibernate, it even was for
the last projects I did.
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Thats why you have to use the strategy instead of the
. You have a discriminator value already, but keep in
mind that this strategy has some problems, like impossibility of NOT
NULL constraints.
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are wrong. You need one table and a discriminator column. Read some
of the Scott Ambler papers and the Hibernate documentation.
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t; (b) properly laid-out JSPs (lets use Hibernate colors + logo)
> (c) instructions to get it running in Tomcat in <1 minute
I'll do that.
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GoTo
;.
> This is the "implicit group by" we discussed in Aarhus, where Hibernate
> guesses what columns it needs to group by.
Ah yes. I've read some more about this and we are right, the SQL "expert
group" is wrong.
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On 18 Nov (00:47), David Channon wrote:
> Postgress= now()
Thats good.
> breaking to much existing code. Don't want to do this lightly. Is this step
> with the new parser and possible changes to the supported syntax a Version 3
> option?
I think so.
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ong database
connections/transactions.
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you can work with the same objects that where loaded in that Session
again after reconnecting.
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