Could you, please, try it on JBoss-3.2.0RC5 which is the current
version.
I have a testcase that failed in my old 3.2 and passes in current
3.2.0RC5.

Please, try it.

alex

Monday, March 31, 2003, 12:37:32 PM, Andrew May wrote:

AM> OK, here's a test case that recreates the problem for me.

AM> I've attached test.jar which is the ejb-jar and also includes the test case class. 
Also 
AM> attached is test-src.jar which has the source code for the EJBs and the test. I'm 
afraid 
AM> I've been hacking around existing build scripts to create the test so I've not 
included 
AM> any way of building the code. I'm using an older version of XDoclet.

AM> There are 2 entities, Parent and Child. The CMRTest class creates multiple threads 
to call 
AM> the getPropertyMap() method on the Parent. This method iterates around the CMR 
collection 
AM> of children, and when multiple threads are run causes occasional CMR errors.

AM> In jbosscmp-jdbc.xml the datasource is java:/jdbc.testPool and the mapping is for 
Oracle8. 
AM> My test doesn't create the test data, so I've manually inserted data before 
running the 
AM> test. I've found that it's only necessary to have one child record to recreate the 
problem.

AM> The CMRTest class takes 3 arguments - the parent primary key, number of threads, 
number of 
AM> loops per thread. e.g.:

AM> java com.ingenta.acs.test.ejb.CMRTest test1 30 100

AM> 30 threads with 100 loops always causes at least one CMR error for me. I've tested 
on two 
AM> setups, both of which cause errors.

AM> 1) Solaris, Sun JDK1.3.1, JBoss 3.2.0RC3, Oracle 8.1.7.2.0
AM> 2) Linux (Mandrake 9), Sun JDK1.4.1, JBoss 3.2.0RC4, Oracle 8.1.7.2.0

AM> jboss.xml in the ejb-jar declares all get* methods to be read-only. If I remove 
this the 
AM> CMR error does not occur, but the test goes a lot slower.

AM> Let me know if there's any more information you need.

AM> Andrew

AM> Dain Sundstrom wrote:

>> I fixed a similar bug in this stuff for Sacha on March 19th (version 
>> 1.43.2.13).  The problem was registering for transaction synchronization 
>> on the transaction in the context and not the transaction associated 
>> with the current thread.  This bug created the type of problem you have 
>> described, but the fix should bin in 3.2 rc4.
>> 
>> Until someone can create a test case that reproduces the new bug, I 
>> don't think there is much we can do.
>> 
>> -dain
>> 
>> On Friday, March 28, 2003, at 10:01 AM, Alex Loubyansky wrote:
>> 
>>> Hello Andrew,
>>>
>>> you are not alone complaining about this. But nobody could produce a
>>> testcase that fail at least eventually.
>>>
>>> I am trying to reproduce it but can't for the moment.
>>>
>>> I have a Parent and 1000 of related Child entities.
>>> I have 100 concurrent threads finding parent by primary key, getting
>>> children and iterating through relation collection.
>>> I use standard container for both Parent and Child.
>>> In jboss.xml get methods are read-only for both Parent and Child.
>>>
>>> Any more info you can provide? Again a testcase would be great. Let it
>>> fail not each time but eventually.
>>>
>>> Thank you,
>>> alex




-------------------------------------------------------
This SF.net email is sponsored by: ValueWeb: 
Dedicated Hosting for just $79/mo with 500 GB of bandwidth! 
No other company gives more support or power for your dedicated server
http://click.atdmt.com/AFF/go/sdnxxaff00300020aff/direct/01/
_______________________________________________
JBoss-user mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/jboss-user

Reply via email to