Support Forums: Message List - Guy Pardon: Transactional J2EE Apps with Spring http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Sat, 18 May 2013 06:14:18 -0400 And what about database isolation levels http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Nice presention Guy. Could you also explain if it is possible, and if so how, you can specify a specific database isolation level for different data access methods. For example for many select queries a "dirty-read" (fast!) is ok....]]> Sat, 03 Dec 2005 07:02:17 -0500 Sat, 03 Dec 2005 07:02:17 -0500 Sat, 03 Dec 2005 07:02:17 -0500 Dec 3, 2005 GuyPardon 0 Re: Another scenario http://www.theserverside.com/discussions/thread.tss?thread_id=37689
WebLogic 9.0 provides a JDBC option that safely avoids XA protocol overhead with the database and also happens to guarantee that the database's portion of the transaction is always...]]> Wed, 30 Nov 2005 13:41:58 -0500 Wed, 30 Nov 2005 13:41:58 -0500 Wed, 30 Nov 2005 13:41:58 -0500 Nov 30, 2005 Tom Barnes 0 XA overhead http://www.theserverside.com/discussions/thread.tss?thread_id=37689 BTW one trick to improve throughput if you must use XA with JMS and database is to use batching; since the XA protocol adds a relativley fixed overhead, you can process 100 or 1000 messages in a single XA transaction which greatly improves...]]> Wed, 30 Nov 2005 13:14:05 -0500 Wed, 30 Nov 2005 13:14:05 -0500 Wed, 30 Nov 2005 13:14:05 -0500 Nov 30, 2005 Tom Barnes 0 EJB component model but without app server http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Tue, 29 Nov 2005 20:08:59 -0500 Tue, 29 Nov 2005 20:08:59 -0500 Tue, 29 Nov 2005 20:08:59 -0500 Nov 29, 2005 Jan Lessner 0 Another scenario http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Thread 1:1) Starts a new XA Transaction2) Inserts a record into DB3) Sends a JMS message4) Commits the XA transactionThread 2:1) Receives message from the above2)
It just means your JMS session doesn't work in XA mode or...]]> Tue, 29 Nov 2005 02:31:53 -0500 Tue, 29 Nov 2005 02:31:53 -0500 Tue, 29 Nov 2005 02:31:53 -0500 Nov 29, 2005 Timur Evdokimov 0 Guy Pardon: Transactional J2EE Apps with Spring http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Duplicate detection is an efficient solution as well since it avoids all those slow sync-to-disks of XA and you can perform the duplicate detection if the JMS message has Message.isJMSRelivered() returning true. i.e. for normal operation,...]]> Tue, 29 Nov 2005 02:27:00 -0500 Tue, 29 Nov 2005 02:27:00 -0500 Tue, 29 Nov 2005 02:27:00 -0500 Nov 29, 2005 Timur Evdokimov 0 Why not use EJBs?? http://www.theserverside.com/discussions/thread.tss?thread_id=37689
As someome mentioned before, it is important to be clear on which type of "EJB" one is...]]> Mon, 28 Nov 2005 10:57:47 -0500 Mon, 28 Nov 2005 10:57:47 -0500 Mon, 28 Nov 2005 10:57:47 -0500 Nov 28, 2005 Randy Schnier 0 And what about database isolation levels http://www.theserverside.com/discussions/thread.tss?thread_id=37689
Could you also explain if it is possible, and if so how, you can specify a specific database isolation level for different data access methods. For example for many select queries a "dirty-read" (fast!) is ok. For...]]> Mon, 28 Nov 2005 07:52:52 -0500 Mon, 28 Nov 2005 07:52:52 -0500 Mon, 28 Nov 2005 07:52:52 -0500 Nov 28, 2005 robin bakkerus 1 Another scenario http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Mon, 28 Nov 2005 00:49:31 -0500 Mon, 28 Nov 2005 00:49:31 -0500 Mon, 28 Nov 2005 00:49:31 -0500 Nov 28, 2005 Jeff Tuatini 0 Re: Another scenario http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Mon, 28 Nov 2005 00:45:18 -0500 Mon, 28 Nov 2005 00:45:18 -0500 Mon, 28 Nov 2005 00:45:18 -0500 Nov 28, 2005 Satadru Roy 1 Another scenario http://www.theserverside.com/discussions/thread.tss?thread_id=37689
Thread 1:
1) Starts a new XA Transaction
2) Inserts a record into DB
3) Sends a JMS message
4) Commits the XA...]]> Sun, 27 Nov 2005 22:24:31 -0500 Sun, 27 Nov 2005 22:24:31 -0500 Sun, 27 Nov 2005 22:24:31 -0500 Nov 27, 2005 Vincent Shek 4 Duplicate elimination by application http://www.theserverside.com/discussions/thread.tss?thread_id=37689 Golden rule is - duplicates in messaging should be avoided by application code without TX.
Hi,

Thanks, I like your point about duplicate responses.

Putting duplicate detection in the application is possible, but...]]> Sun, 27 Nov 2005 15:57:27 -0500 Sun, 27 Nov 2005 15:57:27 -0500 Sun, 27 Nov 2005 15:57:27 -0500 Nov 27, 2005 GuyPardon 5 More information on JTA use cases http://www.theserverside.com/discussions/thread.tss?thread_id=37689 More problem is with...]]> Sat, 26 Nov 2005 21:52:53 -0500 Sat, 26 Nov 2005 21:52:53 -0500 Sat, 26 Nov 2005 21:52:53 -0500 Nov 26, 2005 Pavel Tavoda 6 More information on JTA use cases http://www.theserverside.com/discussions/thread.tss?thread_id=37689
First of all: thank you all for the feedback!

I have had so many email requests for more information on the JTA use cases that I have prepared some entries in our FAQ; see Sat, 26 Nov 2005 06:15:05 -0500 Sat, 26 Nov 2005 06:15:05 -0500 Sat, 26 Nov 2005 06:15:05 -0500 Nov 26, 2005 GuyPardon 7 Why not use EJBs?? http://www.theserverside.com/discussions/thread.tss?thread_id=37689
Are we...]]> Fri, 25 Nov 2005 00:24:46 -0500 Fri, 25 Nov 2005 00:24:46 -0500 Fri, 25 Nov 2005 00:24:46 -0500 Nov 25, 2005 shailendra Pandey 0