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List:       jboss-user
Subject:    RE: [JBoss-user] Per-method CMT timeout control?
From:       "Craig Berry" <Craig.Berry () portblue ! com>
Date:       2003-05-31 18:09:28
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That makes sense.  Thanks again for your help!

	-----Original Message----- 
	From: Adrian Brock [mailto:adrian@jboss.org] 
	Sent: Sat 5/31/2003 3:24 AM 
	To: jboss-user@lists.sourceforge.net 
	Cc: 
	Subject: RE: [JBoss-user] Per-method CMT timeout control?
	
	

	Option 2 is a system side setting which you might not control.
	Option 3 will only work if you write the clients.
	
	Regards,
	Adrian
	
	xxxxxxxxxxxxxxxxxxxxxxxx
	Adrian Brock
	Director of Support
	Back Office
	JBoss Group, LLC
	xxxxxxxxxxxxxxxxxxxxxxxx
	 
	-----Original Message-----
	From: Craig Berry [mailto:jboss-user-admin@lists.sourceforge.net] On
	Behalf Of Craig Berry
	Sent: 31 May 2003 04:21
	To: jboss-user@lists.sourceforge.net
	Subject: RE: [JBoss-user] Per-method CMT timeout control?
	
	
	Thank you.  I'm sorry there's not a more direct way, but also glad that
	I'm not completely clueless. :)
	
	Why wouldn't my options 2 and 3 be portable, by the way?  (Allowing for
	use of appropriate default-timeout setting mechanism per app server in
	option 2, of course.)  I'm especially curious about option 3.
	-----Original Message-----
	From: Adrian Brock [mailto:adrian@jboss.org]
	Sent: Fri 5/30/2003 5:21 PM
	To: jboss-user@lists.sourceforge.net
	Cc:
	Subject: RE: [JBoss-user] Per-method CMT timeout control?
	
	
	The javax.transaction.Transaction interface
	unlike javax.transaction.UserTransaction
	doesn't allow a timeout to be set.
	
	The only portable mechanism is to use
	a BMT façade (option 1).
	If you want it declarative, bind the
	timeout value into java:comp/env
	as an env-entry.
	
	xxxxxxxxxxxxxxxxxxxxxxxx
	Adrian Brock
	Director of Support
	Back Office
	JBoss Group, LLC
	xxxxxxxxxxxxxxxxxxxxxxxx
	
	
	> -----Original Message-----
	> From: jboss-user-admin@lists.sourceforge.net
	> [mailto:jboss-user-admin@lists.sourceforge.net] On Behalf Of
	> Craig Berry
	> Sent: 31 May 2003 00:15
	> To: jboss-user@lists.sourceforge.net
	> Subject: [JBoss-user] Per-method CMT timeout control?
	>
	>
	> Our app uses a variety of session and entity beans operating under
	> container-managed transactions.  For most of these, the default
	> transaction timeout value set in transaction-service.xml is
	> fine, but a
	> few methods are expected to run much longer than that.  So
	> far, the only
	> solutions I've found to this problem are:
	>
	> 1. Run those methods without CMT
	> 2. Increase the transaction-service.xml timeout value to accommodate
	> these methods
	> 3. Start a client-side UserTransaction before calling these
	> methods, and
	> set its timeout to be high enough
	>
	> Obviously, none of these are especially attractive.  What I'd really
	> like is a declarative way (presumably in ejb-jar.xml) to override the
	> default CMT timeout for specific bean methods.  This seems like
	> something that should naturally be there, but I can't find
	> any trace of
	> such a capability in the docs or through a web search.
	>
	> Am I missing something, or do I have to fall back on my three
	> suboptimal
	> choices above?
	>
	> --
	> Craig Berry
	> Principal Architect and Technical Manager
	> PortBlue
	> (310) 566-7546
	>
	>
	>
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