Hello.
Just stumbled over the feathercast podcast. Episode 15 has an
interview with Jean Anderson where she talkes about Derby, the
Incubator, Cayenne and some other stuff.
This is old news, but I did not find it in the mail archive.
Search for feathercast in iTunes or go to http://feather
On Feb 8, 2007, at 14:58 , Michael Gentry wrote:
PS. Jean, I know one of the guys here (I seem to recall Kevin or Cris,
but I'm probably wrong) put together a Google Map thing where we could
all put pushpins into our location on the map. It was kind of neat to
see where people were located. I
Hi,
Would it be possible to reissue the query and let the database do the
sorting? Otherwise sorting does not make sense before you have
fetched all of the data and then you do not need page size.
- Tore.
On Mar 7, 2007, at 22:26, Frank wrote:
Hello,
My sort works fine until I set the
Hello Peter.
On Mar 8, 2007, at 23:39, Peter Karich wrote:
I want to store (and read) a BitSet into (from) the database.
The long[] array is private and I don't want to hack it by using
reflection or even store this as String with toString :-)
It depend on how you want to store it in the data
Hello.
I am a lifecycle callbacks newbie trying to understand http://
cwiki.apache.org/CAYDOC/lifecycle-callbacks.html in a ROP context.
Can the callback methods be defined in the client PersistentObject or
only in the server CayenneDataObject?
Can a ROP client perform non-lifecycle callba
Hello.
We call this a flattened many to many relationship.
http://cayenne.apache.org/doc20/cayennemodeler-flattened-
relationships.html
After flattening you will be able to call city.getStates() and so on.
Regards,
- Tore.
On Mar 21, 2007, at 16:20, Michael Lepine wrote:
Hello all. I am
On Apr 2, 2007, at 11:02, jerome moliere wrote:
CREATE TABLE PAITINGS_TBL(painting_id int primary key,painting_data
bytea);
CREATE TABLE ARTISTS_BIO(artist_id int primary key, artist_text_bio
bytea);
in this schema 2 tables with 2 BLOB fields, the first one is simply
the JPEG
while t
On Apr 2, 2007, at 15:05, jerome moliere wrote:
2007/4/2, Tore Halset <[EMAIL PROTECTED]>:
On Apr 2, 2007, at 11:02, jerome moliere wrote:
> CREATE TABLE PAITINGS_TBL(painting_id int primary key,painting_data
> bytea);
>
> CREATE TABLE ARTISTS_BIO(artist_id int primary ke
Hello.
I am using cayenne with PostgreSQL, but have not seen this problem.
Are you using a new PostgreSQL release and and a jdbc-driver matching
that version? Search http://jdbc.postgresql.org/changes.html has one
bugfix related to this from back in 2004.
In a (old) non-cayenne environmen
Hello.
I have used cayenne with james, but not in mailets. I created a small
web app in cayenne and tapestry to administer users and e-mail
addresses. We ended up not using james for some other reason. James
is great, so good luck!
Sorry, for not being able to help :)
Regards,
- Tore.
Hello.
I am reading this thread and just want to say that I am using cayenne
2.0.2, postgresql-8.2-504.jdbc3.jar and postgresql-8.2.3. Cayenne
uses jndi to get connections from a jboss-4.0.3 connection pooling. I
do not see the "postgres, idle in transaction" problem.
- Tore.
On Apr 25,
Hello.
Creating your own DataSource (wrapper) as suggested by Andrus should
give you good control over things that are happening and perhaps what
to do/fix.
I had a problem in some non-cayenne based code that did not close the
jdbc Connection and it was hard to know where the problem was
Hello.
I do not think InheritableThreadLocal is a good place to put your
DataContext as a DataContext should only be used by a single thread
at a time. You may experience random hard-to-debug problems if you
use the same DataContext for different (child) threads.
This problem is also some
On May 22, 2007, at 05:22, Steve Wells wrote:
My approach would be to have a simple per session DC and a global
web app
one...at this stage, hardly seems dangerous, what could possibly go
wrong?
;)
What if a user (session) issues two simultanous requests?
- Tore.
questions.
Steve
On 23/05/07, Tore Halset <[EMAIL PROTECTED]> wrote:
On May 22, 2007, at 05:22, Steve Wells wrote:
> My approach would be to have a simple per session DC and a global
> web app
> one...at this stage, hardly seems dangerous, what could possibly go
> wrong?
&
On Jun 6, 2007, at 16:12 , Dave Merrin wrote:
I'm trying to run a SelectQuery on a table with no primary key.
Unfortunately it's not working. Can anybody help? I have no control
over the database so I can't add in primary keys.
As you know the PK are essential not only to update a row, but
On Aug 6, 2007, at 21:18 , Kevin Menard wrote:
If you are planning to upgrade to Cayenne 3.0 or start a new project
with it, which of the following best fits your needs:
[ ] Java 1.4 support
[ X] Java 5 support
I am using java 5 all over. I like generics, love
java.util.concurrent and are f
Hello.
Looks like you are using an uncomitted new object in a query. Could
you post your relevant java code?
- Tore.
On Sep 19, 2007, at 12:12 , Gary Jarrel wrote:
Hi Guys!
Any thoughts on what could be causing this during commit?
org.apache.cayenne.CayenneRuntimeException: [v.3.0M1 Jul
Hello.
This does not sound like a cayenne issue any more. Here is what I
would do to get going.
* Remove the extra OS layer if you are still using it. Was it
Parallells?
* Update to latest PostgreSQL and JDBC driver.
* Use vacuum analyze and autovacuum
* Find slow queries and use "expl
Hello.
We have a to-many relationship that is used all over the application.
Each time someone goes over that to-many relationship they want to
take a look at the next to-many relationship as well.
A <-->> B <-->> C
To make this faster, I want to prefetch the relationship from B to C
eac
Hello.
I am not so used to the Persistent interface. How can I get the value
for a given ObjAttribute in a Persistent object? If the Persistent is
a DataObject I could use readProperty.
Regards,
- Tore.
On Oct 26, 2007, at 14:29 , Andrus Adamchik wrote:
On Oct 26, 2007, at 3:11 PM, Tore Halset wrote:
I am not so used to the Persistent interface. How can I get the
value for a given ObjAttribute in a Persistent object? If the
Persistent is a DataObject I could use readProperty.
Yes
Hello.
We are using M2 in production in a pretty busy system. We use only the
"classic cayenne" stuff, but it is working very well.
Regards,
- Tore.
On Nov 26, 2007, at 22:56, Malcolm Edgar wrote:
Hi All,
I would like to know peoples experience in using Cayenne 3.0M2 for
Production appli
Hello.
I think this is handled by the merge-stuff I have worked on. It will
be included in the next 3.0 milestone.
https://issues.apache.org/cayenne/browse/CAY-885
Regards,
- Tore.
On Nov 26, 2007, at 23:06 , Michael Lepine wrote:
Hello all.
I am currently using CayenneModeler version 2
ll work, or
if you have a minute, would you give a brief synopsis of how this will
be supported by the Modeler?
On Nov 27, 2007 8:26 AM, Tore Halset <[EMAIL PROTECTED]> wrote:
Hello.
I think this is handled by the merge-stuff I have worked on. It will
be included in the ne
Hello.
Another guy here are using Cayenne 3.0m2 Modeler on windows. When he
saves the model, once in a while, the changes are not saved to disc.
Cayenne Modeler thinks the changes are written to disk, but they are
not.
Anyone else seen this behaviour? We could not see/find any stacktraces
l actually do a save unless it thinks there are
changes. Perhaps there is a slight issue there. Just a stab in the
dark ...
/dev/mrg
On Nov 29, 2007 9:03 AM, Tore Halset <[EMAIL PROTECTED]> wrote:
Hello.
Another guy here are using Cayenne 3.0m2 Modeler on windows. When he
saves the m
On Jan 23, 2008, at 4:15 , Adam Yocum wrote:
I know that Cayenne will not allow me to do this sort of join even
though technically the server can do it if you explicitly name all
the tables involved with a database prefix like the above example.
I though it should be possible to use the Db
On Jan 23, 2008, at 18:27, Mike Kienenberger wrote:
It's not a requirement to have the tables in the same Map, only the
same Domain.
Ok, thanks.
- Tore.
Hello.
Perhaps not that related, but you might want to take a look at JSR-310
that tries to solve problems with the current java.util.Date & co. You
should be able to create cayenne extended type(s) for JSR-310 until it
is supported by jdbc.
This video is a nice intro to JSR-310
http://pa
mature jdbc
drivers lack full support of, so my guess is that you will have to work on that
first.
Good luck and keep us up to date! :)
Btw, anyone done something similar with OrientDB or Cassandra (CQL)?
Regards,
Tore Halset.
[1] http://cayenne.apache.org/running-unit-tests.html
On 14. aug
a:529)
at org.apache.cayenne.Cayenne.objectForPK(Cayenne.java:383)
It looks like I should do a CayenneRuntime.bindThreadInjector(Injector), but
how should I create the Injector?
Regards,
Tore Halset.
how..
> Injector i = runtime.getInjector();
>
> Andrus
>
> On Aug 23, 2012, at 12:22 PM, Tore Halset wrote:
>
>> Hello.
>>
>> I am playing with serialization of cayenne objects in trunk. This is the
>> first time I do (java) serializat
endedTypes();
extendedTypes.registerType(new ColorType());
extendedTypes.registerType(new WKTGeometryType(Geometry.class));
Btw, you should use 3.1B instead of 3.1M as B is newer.
Regards,
Tore Halset.
On Sep 17, 2012, at 02:11 , Juan José Gil wrote:
> Hi,
>
> I'm trying to us
might lead to
java.io.InvalidClassException ... local class incompatible error.
So, what is best practice for serializing CDOs across changes to the class?
Regards,
Tore Halset.
On 6. feb. 2013, at 00:11, Aristedes Maniatis wrote:
> option 1: change the serial number when the classes change in some way: you
> get InvalidClassException. Your code can catch this and invalidate the
> session.
>
> option 2: don't change the serial number and hope that Java will unserialis
ector().injectMembers(new DataSourceFactory() {
@Override
public DataSource getDataSource(DataNodeDescriptor nodeDescriptor)
throws Exception {
return mything.getDataSource();
}
});
Regards,
Tore Halset.
the
> DataSource explicitly [1].
>
> Cheers,
> Andrus
>
> [1]
> https://github.com/apache/cayenne/blob/master/cayenne-server/src/main/java/org/apache/cayenne/configuration/server/ServerRuntimeBuilder.java
>
> On Aug 18, 2014, at 5:15 PM, Tore Halset wrote:
>
&g
project.
% find . -type f -name \*java -exec grep -H new\ SelectQuery {} \;|wc -l
546
Regards,
Tore Halset,
At the same time, the benefit of the upgrade would be to clean up the code
> and start using the new style. So you might start by running search/replace
> on the constructor, and then clean up the rest by hand.
>
> Andrus
>
>
>> On Jul 4, 2022, at 11:15 PM, Tore Halset
rect way
than 4.1.1 was?
Luckily we have pretty good test coverage on this and I am happy to fix those
wrong "To Dep PK"s in our model, but this might be something to look out for
for others as well.
Regards,
Tore Halset.
On 30. april. 2008, at 17.08, Andrus Adamchik wrote:
IIRC Tore added boolean constant parsing to 3.0 some time ago. I
could be wrong of course. Are you on 2.0.x?
That was true/false as an expression element, not as a value. See jira
for examples.
http://issues.apache.org/cayenne/browse/C
On 6. mai. 2008, at 17.43, Eric Polino wrote:
We were using derby and have decided to switch to postgresql. I have
changed all my adapters and drivers and they seem to be working
properly. I'm getting issues when I try to run my initialization
script that has always worked before.
What issu
On 19. mai. 2008, at 09.20, Martin Thelian wrote:
thank you for the hints. I'll try the patch. Are there any pitfalls
when
using this patch?
No pitfalls that I have found. It solved the problem for us. We used
it in production for some time before we moved to a 3.0 milestone that
had the
On 13. juni. 2008, at 17.33, Elena Doyle wrote:
How can I configure SSL in DomeinNode.driver.xml. Can somebody give
me an example.
Do you mean SSL connection between your cayenne based application and
the database? If so, this is a jdbc setup issue. Please take a look at
your jdbc docume
On 8. juli. 2008, at 13.20, Øyvind Harboe wrote:
Does Cayenne have the ability to add/remove unique constraints for
columns?
"No" or perhaps "Not yet" :) The cayenne does not have the ability to
store if a column should have a unique index except for the primary
key. As it is not stored in
On 11. aug.. 2008, at 04.54, Aristedes Maniatis wrote:
On 11/08/2008, at 12:23 PM, Rick Blair wrote:
I have an existing mysql (5.1) database that has a column named
location
that is a POINT datatype. I used the DataModeler and attached to my
database. I was able to use my existing schem
ry, blob and
varchar in the map.xml file.
Suggestions?
Thanks in advance.
--
Tìoraidh!
Rick Blair
Associate Technical Fellow
Boeing Phantom Works
Network Systems Technology
Information Management Program
M/S: 42-50
Voice: (206) 544-1610
From: Tore Halset <[EMAIL PROTECTED]>
Reply-T
Hello.
I am using UTF-8 with cayenne and PostgreSQL without problems. cayenne
just send the strings over to the jdbc-driver that should know how to
handle it.
- Tore.
On Aug 20, 2008, at 9:31 , Ian Jamieson wrote:
Should add that I have done a few test's my self and it all seems
good.
Hello.
There are still some things missing from the merge-package to be able
to create a complete database from scratch. Like the ability to
correctly order the tables that are to be created. However, I use
merging a lot more than generating.
Regards,
- Tore.
On Aug 22, 2008, at 10:53,
On Aug 22, 2008, at 13:36, Andrus Adamchik wrote:
Interesting... I am not using either for anything complex lately,
preferring manual SQL scripts executed with dbpatch Ant task, so I
am a bit out of the loop.
The sql-scripts is a very solid way to work, but some people would
probably pref
Hello.
The modeler does this to be able to display the sql before executing
it. Create a subclass of MergerContext and override its
executeSql(String).
- Tore.
On Aug 26, 2008, at 9:51 , Øyvind Harboe wrote:
The merge stuff can produce some pretty wicked stuff.
However, I would like t
On Aug 26, 2008, at 22:39, Scott Anderson wrote:
Moving this to the list, since it maybe useful to others-
I have been poking around, and I think I've figured out how to use it.
If I use DbGenerator, everything works great, but if I try to merge in
changes from a slightly out of sync schema wit
Hello.
(This is related to merging)
Another option to solve the same would be to create a
AbstractToDbToken.mayRemoveInformation() that all ToDb tokens will
have to implement? Need to find a better name. What do you think?
Regards,
- Tore.
On Aug 27, 2008, at 8:25 , Øyvind Harboe wrote:
Hello.
Done.
https://issues.apache.org/cayenne/browse/CAY-1100
http://svn.apache.org/viewvc?view=rev&revision=689594
Regards,
- Tore.
On Aug 27, 2008, at 08:25, Øyvind Harboe wrote:
I need to figure out if a change to the database would cause data
loss.
E.g. a user might *increase* the s
On Aug 28, 2008, at 19:34, Scott Anderson wrote:
It looks like the DbMerger in 3.0M4 isn't properly detecting whether
NULL is allowed for columns when using MySQL. Is this another issue
that
has already been fixed in trunk?
I do not remember. Can you try with the latest build?
http://hudson
On Aug 28, 2008, at 21:03, Scott Anderson wrote:
Is it possible to detect this via jdbc?
A rather long-winded way to detect table type is:
SHOW CREATE TABLE [table name];
This will return the full CREATE TABLE instruction required to rebuild
that table. If this is already how you determine w
Hello.
The merger get the table info using DbLoader that does a
jdbcConnection.getMetaData().getTables() to pick up info on all the
tables. My guess is that the database/jdbc-driver simply does not list
the tables for your misconfigured user.
- Tore.
On Sep 25, 2008, at 9:32 , Øyvind Ha
Hello.
On Sep 25, 2008, at 15:52 , Borut Bolčina wrote:
if database (MySQL) is restarted, how to handle pooled connections?
Can
Cayenne handle database restarts in some way.
This is up to the connection pooling system. We are deploying our
cayenne applications inside JBoss and JBoss check
Thanks. I removed the cast.
- Tore.
On Sep 25, 2008, at 19:00, Scott Anderson wrote:
That method is defined in the DbAdapter interface; you don't need to
cast it. See MySQLMergerFactory (post CAY-1108 patch) for an example.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL
On Sep 26, 2008, at 9:12 , Øyvind Harboe wrote:
Is there any way I can tell Cayenne to fail(throw exception) if it is
not able to enumerate the tables?
The jdbc driver/database did not return those tables in the list of
tables. You can try for your self with some simple jdbc code.
- Tore.
Hello.
On 7. okt.. 2008, at 18.37, Pierre Lavignotte wrote:
Thanks Scott.
I didn't find this in the mail archive...
Do you mean define an entity WITHOUT the BLOB fields, and another,
pointing
on the same table, WITH ONLY the BLOB fields ?
I guess it will work but I thought there was a buil
On Nov 17, 2008, at 6:07 PM, Adrian Wiesmann wrote:
I never said the ordering per-se is. But I asked if (and how) anybody
subclassed the Ordering class or if there is a cleaner method of
doing so
with Cayenne.
Except from changing your db layout, I think your best bet is to just
implement
Hello.
Cayenne uses jgroups to synchronize the caches. Use ha-jdbc or sequoia
to sync the databases.
- Tore.
On Dec 23, 2008, at 16:39, Pirola Davide
wrote:
Hi,
i'm developing a web application that need to store some data.
For some reasons i can't have a database installed on a clust
demand to Cayenne all the stuffs involved in the
connection to the database (es connection pooling), and use its API
to read and write.
Do you think that it is possible?
Thanks
Davide
-Original Message-
From: Tore Halset [mailto:hal...@pvv.ntnu.no]
Sent: martedì 23 dicembre 2008 19.50
Hello.
The new merge functionality in the modeler was created to handle this.
Firebird is not supported, but please try it out and report any problem.
- Tore.
On Dec 29, 2008, at 23:07, "John Armstrong" wrote:
Hi everyone,
My database (Firebird) does not support boolean types. Cayenne h
Hello.
That should be fine for read only web site. For web sites/pages where
the user will edit and save objects, I find it safer to use a single
ObjectContext pr request. With a session-shared ObjectContext, you can
get into some of the following situations:
1. A context with validation
On Apr 8, 2009, at 3:28 , Aristedes Maniatis wrote:
On 08/04/2009, at 11:03 AM, Joseph Schmidt wrote:
* write the record to database, fetch it back again and
then you'll have the primary key
Than this is not the same transaction :(.
Correct. This is a limitation of how databases work, not C
This has been discussed a lot on java-...@lists.apple.com . It is a
bug with the latest update. If I remember correctly, it happens on
menues that are changed.
- Tore.
On Jul 9, 2009, at 9:11 , Andrus Adamchik wrote:
I can reproduce that too, and also I see other smaller differences
in S
Hello.
The cayenne way is like this:
ObjectContext ctxt =
Pessoa p = (Pessoa) ctxt.newObject(PessoaFisica.class);
p.setName("Gilberto");
p.setDateOfBirth(Date.valueOf("2009-01-01"));
ctxt.commitChanges();
It seem strange at the beginning, but there are lots of benefits with
the context k
Hello.
It is hard to tell where the memory problems are without looking at
the actual used memory. I normally use jmap to dump memory info and
then jhat on a different computer to analyze the dump.
jmap -dump:live,file=filename pid
jhat -J-Xmx10G filename
Depending on your heap size, jhat
Congratulation on the hard and good work!
We have been using 3.0 milestones, release candidates and beta for a long time
and it has been rock solid. We use Cayenne in our software to handle selling,
buying, quality check and distribution of nautical charts to cruise ships,
navies, pilots and ha
Hello.
I tried to implement support for streaming blobs back in 2006. Sorry, but it
never got completed. I still think it is a nice feature. If you want to work on
this issue, you might want to take a look at streaming_blob_try2.zip from
https://issues.apache.org/jira/browse/CAY-316
Regards,
Hello.
I am deleting some rows via jdbc and want to update the cayenne stack with that
information. After issuing ctxt.invalidateObjects(...) the cayenne objects for
the deleted rows still have persistence state comitted. Is there a better trick
than invalidateObjects(...)?
- Tore.
:27 , Tore Halset wrote:
> Hello.
>
> I am deleting some rows via jdbc and want to update the cayenne stack with
> that information. After issuing ctxt.invalidateObjects(...) the cayenne
> objects for the deleted rows still have persistence state comitted. Is there
> a
Well, processSnapshotChanges did not solve the problem either. I am now doing
deleteObjects() after deleting them via plain jdbc. It is not pretty, but works
well as long as the objects are in state COMITTED.
- Tore.
On Jun 7, 2010, at 12:27, Tore Halset wrote:
> Hello.
>
> This on
Hello.
On Sep 10, 2010, at 00:21 , Eric Lazarus wrote:
> We are using cayenne 3.0M6 and Tomcat 6.0.20. (We used to use Cayenne 1.1 and
> Tomcat 4.0.6 without this issue showing up.)
> The problem occurs when we access one of the web apps then the other, in
> either order. If you access the fi
Hello.
I use the migrate-stuff during startup of my application. However, I have a
filter that only exectutes non-destructive merge-tokens. That is, I only
executes CreateTableToDb, AddColumnToDb, AddRelationshipToDb,
SetValueForNullToDb and SetColumnTypeToDb that expand the maxLength. I have
Hello.
We are using 3.1M2 in jetty 7.3.0. For production I want to turn off the
logging done by CommonsJdbcEventLogger. I got this to work with earlier
versions of cayenne and a different servlet engine, but are stuck now. My log
files are growing with GBs each day.
I have tried this web page
f the new logger by adding this line in
> log4j.properties:
>
> log4j.logger.org.apache.cayenne.log.CommonsJdbcEventLogger = WARN
>
>
> Andrus
>
>
> On May 5, 2011, at 1:00 PM, Tore Halset wrote:
>> Hello.
>>
>> We are using 3.1M2 in jetty 7.3.0. For production I want to turn off the
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