Problem in Using Database.

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Problem in Using Database.

Problem in Using Database.

2004-01-12 - By Nishidhdha Narendra Shah

Back

Reply: 1 2 3 4 5 6 7 8

Hi Anil

Instead of starting thread, why don't you make another bean, which will
update and return rows and make sure its transaction attribute
RequireNew so it can start own new transaction instead of global
transaction. I guess this is the best practice. What do u say?

Nishi

-- --Original Message-- --
From: Pradeep Kumar [mailto:pradeepk@(protected)]
Sent: Monday, January 12, 2004 9:49 AM
To: J2EEPATTERNS-INTEREST@(protected)
Subject: Re: Problem in Using Database.

You are not supposed to start a thread or do anything in your EJB.
Especially if you are using XA, since this will interfere with the XA
transaction manager.

-- --Original Message-- --
From: Anil Kumar [mailto:anil007dc@(protected)]
Sent: Monday, January 12, 2004 7:15 AM
To: J2EEPATTERNS-INTEREST@(protected)
Subject: Problem in Using Database.

Hi,

I am trying to do the following.
I am using XA Datasource for DB2/390 from my application. In my
application I am having a session beans and Domain objects and Data
Access objects. we are using websphere Application Server 5.0

We are using XA Datasource because we need to insert and update tables
in multiple databases.

I had a problem when I try to update some records and try to access the
same records in the same transaction. I am getting Invocation Exception.

Here are some questions

1) I want to create a class extending thread and start thread from EJB
state less session Brean so that I can do the update and selection of
rows from the database external to the Global Transaction

Any suggestions.

Thanks
Anil
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Hi Anil<o:p></o:p>

<o:p> </o:p>

Instead of starting thread, why don’t
you make another bean, which will update and return rows and make sure its
transaction
attribute RequireNew so it can start own new
transaction
instead of global transaction. I guess this is the best practice. What do u say?<o:p></o:p>

<o:p> </o:p>

Nishi<o:p></o:p>

<o:p> </o:p>

-- --Original Message-- -- 
From: Pradeep Kumar [mailto
:pradeepk@(protected)]
 
Sent: Monday, January 12, 2004
9:49 AM 
To:
J2EEPATTERNS-INTEREST@(protected) 
Subject: Re: Problem in Using
Database.

<o:p> </o:p>

You are not supposed to start a thread or do anything in your EJB.
Especially if you are using XA, since this will interfere with the XA
transaction manager.<o:p></o:p>

<o:p> </o:p>

----
-Original
Message-- -- 
From: Anil Kumar
[mailto:anil007dc@(protected)] 
Sent: Monday, January 12, 2004
7:15 AM 
To:
J2EEPATTERNS-INTEREST@(protected) 
Subject: Problem in Using
Database.<o:p></o:p>

<o:p> </o:p>

Hi,<o:p></o:p>

 
<o:p></o:p>

 I am
trying to do the following. <o:p></o:p>

I am using XA
Datasource for DB2/390 from my application. In my application I am having a
session beans and Domain objects and Data Access objects. we are using
websphere Application Server 5.0<o:p></o:p>

 
<o:p></o:p>

We are using
XA Datasource because we need to insert and update tables in multiple
databases.<o:p></o:p>

 
<o:p></o:p>

I had a
problem when I try to update some records and try to access the same
records in the same transaction. I am getting Invocation Exception. <o:p></o:p>

 
<o:p></o:p>

Here are some
questions <o:p></o:p>

 
<o:p></o:p>

1) I want to
create
a class extending thread and start thread from EJB state less session Brean so
that I can do the update and selection of rows from the database external
to the Global Transaction <o:p></o:p>

 
<o:p></o:p>

Any
suggestions.<o:p></o:p>

 
<o:p></o:p>

Thanks
<o:p></o:p>

Anil<o:p></o:p>

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DISCLAIMER: 
This message (including attachment if any) is confidential and may be
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Any unauthorized use or dissemination of this message in whole or in part is
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