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Posted to user@commons.apache.org by Ole Wendland <Ol...@gmx.de> on 2007/02/20 18:17:57 UTC
[Configuration] problems with changing the delimiter
Hello Guys,
please tell me whats the problem with this delimiter.
The Program is this one:
import org.apache.commons.configuration.*;
import java.io.*;
import java.util.List;
class SaveProperties
{
public static void main( String[] args )
{
try {
PropertiesConfiguration config = new
PropertiesConfiguration("test.txt");
config.setListDelimiter('|');
System.out.println(System.out.println(config.getList("test").get(0));
} catch (ConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
and the test.txt looks like this
test = one|two|three
The output I expect should be "one" but he can't split the List and
gives me "one|two|three". When I use a comma as Delimiter is everything
fine.
What is my mistake?
Greetings Ole
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RE: Update problems with hibernate & struts
Posted by Guoxue Zhang <zg...@yahoo.com>.
public void update(Models persistentInstance) {
log.debug("deleting Tt instance");
try {
getSession().update(persistentInstance);
Transaction tx = getSession().beginTransaction();
tx.commit();
System.out.println(" tx.commit update successful In model");
log.debug("delete successful");
} catch (RuntimeException re) {
log.error("delete failed", re);
throw re;
}
}
Abbas Adel <bi...@tantawi.net> wrote: Can you provide us with modeldao.update(); code
-----Original Message-----
From: Guoxue Zhang [mailto:zguoxue@yahoo.com]
Sent: Sunday, February 25, 2007 8:20 PM
To: Jakarta Commons Users List
Subject: Update problems with hibernate & struts
Hello Guys,
When I update a record using Hibernate and Struts, I have to transfer
primary key(type is LONG) to ModelUpdadteAction class from update.jsp file.
In ModelUpdateAction.java file:
String v_id = request.getParameter("modelid");
Long v_idLong = Long.valueOf( v_id);
Models model = new Models();
model.setModelId(v_idLong);
model.setModelname("Update New record IN Models");
ModelsDAO modeldao = new ModelsDAO();
modeldao.update(model);
I cann't update the record. A error is: javax.servlet.ServletException: a
different object with the same identifier value was already associated with
the session:
If I directly update with a primary key:
Long v_idLong = Long.valueOf( "55");
Models model = new Models();
model.setModelId(v_idLong);
model.setModelname("Update New record IN Models");
ModelsDAO modeldao = new ModelsDAO();
modeldao.update(model);
It is successful.
Please reply that is what is problem and how to solv it. Thank you.
Frank
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RE: Update problems with hibernate & struts
Posted by Abbas Adel <bi...@tantawi.net>.
Can you provide us with modeldao.update(); code
-----Original Message-----
From: Guoxue Zhang [mailto:zguoxue@yahoo.com]
Sent: Sunday, February 25, 2007 8:20 PM
To: Jakarta Commons Users List
Subject: Update problems with hibernate & struts
Hello Guys,
When I update a record using Hibernate and Struts, I have to transfer
primary key(type is LONG) to ModelUpdadteAction class from update.jsp file.
In ModelUpdateAction.java file:
String v_id = request.getParameter("modelid");
Long v_idLong = Long.valueOf( v_id);
Models model = new Models();
model.setModelId(v_idLong);
model.setModelname("Update New record IN Models");
ModelsDAO modeldao = new ModelsDAO();
modeldao.update(model);
I cann't update the record. A error is: javax.servlet.ServletException: a
different object with the same identifier value was already associated with
the session:
If I directly update with a primary key:
Long v_idLong = Long.valueOf( "55");
Models model = new Models();
model.setModelId(v_idLong);
model.setModelname("Update New record IN Models");
ModelsDAO modeldao = new ModelsDAO();
modeldao.update(model);
It is successful.
Please reply that is what is problem and how to solv it. Thank you.
Frank
---------------------------------
Be a PS3 game guru.
Get your game face on with the latest PS3 news and previews at Yahoo! Games.
__________ NOD32 2080 (20070225) Information __________
This message was checked by NOD32 antivirus system.
http://www.eset.com
---------------------------------------------------------------------
To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: commons-user-help@jakarta.apache.org
Update problems with hibernate & struts
Posted by Guoxue Zhang <zg...@yahoo.com>.
Hello Guys,
When I update a record using Hibernate and Struts, I have to transfer primary key(type is LONG) to ModelUpdadteAction class from update.jsp file.
In ModelUpdateAction.java file:
String v_id = request.getParameter("modelid");
Long v_idLong = Long.valueOf( v_id);
Models model = new Models();
model.setModelId(v_idLong);
model.setModelname("Update New record IN Models");
ModelsDAO modeldao = new ModelsDAO();
modeldao.update(model);
I cann't update the record. A error is: javax.servlet.ServletException: a different object with the same identifier value was already associated with the session:
If I directly update with a primary key:
Long v_idLong = Long.valueOf( "55");
Models model = new Models();
model.setModelId(v_idLong);
model.setModelname("Update New record IN Models");
ModelsDAO modeldao = new ModelsDAO();
modeldao.update(model);
It is successful.
Please reply that is what is problem and how to solv it. Thank you.
Frank
---------------------------------
Be a PS3 game guru.
Get your game face on with the latest PS3 news and previews at Yahoo! Games.
Re: [Configuration] problems with changing the delimiter
Posted by Oliver Heger <ol...@oliver-heger.de>.
Ole Wendland wrote:
> Hello Guys,
> please tell me whats the problem with this delimiter.
> The Program is this one:
>
> import org.apache.commons.configuration.*;
> import java.io.*;
> import java.util.List;
>
> class SaveProperties
> { public static void main( String[] args )
> {
>
> try { PropertiesConfiguration config = new
> PropertiesConfiguration("test.txt");
> config.setListDelimiter('|');
>
> System.out.println(System.out.println(config.getList("test").get(0));
>
> } catch (ConfigurationException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
> }
> }
>
> and the test.txt looks like this
> test = one|two|three
>
> The output I expect should be "one" but he can't split the List and
> gives me "one|two|three". When I use a comma as Delimiter is everything
> fine.
> What is my mistake?
>
> Greetings Ole
You have to set the delimiter before you load the configuration. Follow
this pattern:
PropertiesConfiguration config = new PropertiesConfiguration();
config.setListDelimiter('|');
config.load("test.txt");
(There is a note about this behavior in the Javadocs for the
setListDelimiter() method in AbstractConfiguration.)
Oliver
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