I'm using JTA transaction
and try to manage my transactions myself (many independent updates)
using seam 2.0.0.ga
| <core:init debug="@debug@" jndi-pattern="@jndiPattern@"
transaction-management-enabled="false" />
| conversation-timeout="12000000" -->
| <core:manager concurrent-request-timeout="5000000"
| conversation-timeout="200000000"
| conversation-id-parameter="cid"/>
|
i use following code to start the transaction
| UserTransaction tx=null;
| tx=Transaction.instance();//get the UserTransaction from seam
| // transaction handling
| try {
| if (tx!=null) tx.begin();
| } catch (Exception er )
| {errcod=er;
| String errmsg=er.getClass().getSimpleName() +"
err: "+ er.getMessage();
| log.error(env+" starting transaction failed "+
errmsg);
| }
| try {
| I'm handling the transaction here ;
| try {
| em.flush();
| } catch (Exception er )
| {errcod=er;
| String
errmsg=er.getClass().getSimpleName() +" err: "+ er.getMessage();
| log.error(env+" Flushing the
transaction transaction failed "+ errmsg);
| }
|
| try {
| if (tx!=null) tx.commit();
| } catch (Exception er )
| {errcod=er;
| String
errmsg=er.getClass().getSimpleName() +" err: "+ er.getMessage();
| log.error(env+" Commiting transaction
failed "+ errmsg);
| }
|
|
| } catch (Exception er) {
| String
errmsg=er.getClass().getSimpleName() +" err: "+ er.getMessage();
| log.error(env+" transaction error "+
errmsg);
| try {//rollback cover
| if (tx!=null)
tx.rollback(); //if (!Transaction.instance().isActive())
| else if (ses!=null)
txn.rollback();
| else
em.getTransaction().rollback();
| } catch (Exception erx)
| {errcod=erx;
| String
erxmsg=erx.getClass().getSimpleName() +" err: "+ erx.getMessage();
| log.error(env+" Rollback
transaction failed "+ erxmsg +" From "+ errmsg);
| }
| }
| if (ses==null)
| { if (!(em.isOpen())) log.info("em session closed
!");
| }
|
| }
|
|
I'm trying to trap for every error
I'm failing on tx.begin();
how can I create the transaction ?
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