DJ> This is pretty strange.  You should be getting this 
DJ> consistently (if you are really using 2 resource managers
DJ> in one transaction, one of them being only local tx
DJ> capable) or never (if there is only one, for instance your
DJ> only datasource).

I didn't think to mention my datasources.  I am using two
<local-tx-datasource>s.  The are pointing to two different databases in
mySQL.

Here is the corrected scenario:

I have 3 EJB-JAR files.

EJB-JAR_1:
- contains session bean A
- no datasource access
- has links into (depends on) EJB-JAR_2 and EJB-JAR_3

EJB-JAR_2:
- contains session bean B
- uses datasource X
- has links into (depends on) EJB-JAR_3

EJB-JAR_3:
- contains entity beans
- uses datasource Y

Session bean A looks up some entity beans, using the local home interfaces,
in EJB-JAR_3.  It then passes those local references to session bean B which
uses some info in those beans to query a table in datasource Y.

I got two of those transaction warnings, so, they probably occurred when
session bean A looked up entity beans from EJB-JAR_3 and then again when it
passed those entity beans to session bean B?

DJ> If you can pin down anything else about how to make this 
DJ> happen I'd like to know about it.

I checked the log file (currently on DEBUG) and there wasn't anything
immediately before or after the two warnings.  I'll enable TRACE for
transaction stuff and if it happens again, maybe I can get some more
information.

Bigger question, should I be doing what I'm doing?  I'm slowly migrating our
project from a mixed, distributed RMI and JDBC system to J2EE and we are
going to do a hybrid release with some components in J2EE, but others still
legacy.  I was creating different EJB-JARs and different datasources to
separate out the dependencies.  For instance, the entity beans in EJB-JAR_3
are totally independent of our legacy system, while the session bean in
EJB-JAR_1 is the bridge from the new stuff to the legacy system.

Thanks,
Michael


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