Bugs item #539379, was opened at 2002-04-04 12:36
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Category: JBossCMP
Group: v3.0 Rabbit Hole
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Matthias Bohlen (mattes3)
Assigned to: Dain Sundstrom (dsundstrom)
Summary: Creating bean instance rejected
Initial Comment:
OS: Windows 2000
JDK 1.3.1_02
I have ported the CMPCustomer example from SUN's
J2SDKEE to JBoss (using XDoclet). It is an example
where Customers, Addresses and Subscriptions for
magazines can be created via a small web application
and EJBs using CMP 2.0 with CMR.
Deployment is OK, database tables are created, all is
fine. Customers and Subscriptions can be created,
Addresses cannot. The server gives a message:
2002-04-04 20:23:53,596 ERROR [Default]
java.lang.reflect.UndeclaredThrowableException:
2002-04-04 20:23:53,596 ERROR [Default]
java.rmi.ServerException: INSERTING AN ALREADY
EXISTING BEAN, ID = ADDR01; nested exception is:
java.lang.IllegalStateException: INSERTING AN
ALREADY EXISTING BEAN, ID = ADDR01
2002-04-04 20:23:53,596 ERROR [Default]
java.lang.IllegalStateException: INSERTING AN ALREADY
EXISTING BEAN, ID = ADDR01
2002-04-04 20:23:53,606 ERROR [Default] at
org.jboss.ejb.plugins.AbstractInstanceCache.insert
(AbstractInstanceCache.java:265)
2002-04-04 20:23:53,606 ERROR [Default] at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeH
ome(EntityInstanceInterceptor.java:149)
I have attached the full server log and the ear file.
----------------------------------------------------------------------
>Comment By: Dain Sundstrom (dsundstrom)
Date: 2002-04-13 20:17
Message:
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Fixed.
The ejbCreate and ejbPostCreate method invocation has be
broken into two invocation making ejbPostCreate look like a
standard business method invocation.
----------------------------------------------------------------------
Comment By: Matthias Bohlen (mattes3)
Date: 2002-04-13 02:39
Message:
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Hi, ldoud,
I am using XDoclet 1.1.2 - but my primary key class is
java.lang.String, so this cannot be the bug that causes my
exception.
Thanks anyway
Matthias
http://www.mbohlen.de/
----------------------------------------------------------------------
Comment By: Leon Doud (ldoud)
Date: 2002-04-12 17:28
Message:
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Which version of XDoclet are you using? This sounds like
an error I had before. "[ 531445 ] Entity remove() not
removing from cache"
The primary key class generated by XDoclet has an member
field _hashcode that is marked transient. The hashcode
method will only regenerate the _hashcode field if its
value == Integer.MIN_VALUE.
The bug occurs after you serialize the primary key. The
_hashcode is transient and not saved during serialization.
When deserialized it default back to zero and NOT
Integer.MIN_VALUE. This causes the hashcode method to
never recalculate the _hashcode field. So all primary keys
have end up having a hashcode of zero.
Though this may not be the problem, but its worth a look.
The xdoclet bug was "[ 532832 ] Primary Key class bug"
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