Very strange thing: 

from time to time we get a expeception while doing something with jBPM (in this 
example deploy a process, so this is not more that persist a few objects with 
hibernate):


  | 12:21:32,452 WARN [JDBCExceptionReporter] SQL Error: 1, SQLState: 23000
  | 12:21:32,452 ERROR [JDBCExceptionReporter] ORA-00001: unique constraint 
(BERND.SYS_C00581420) violated
  | 
  | 12:21:32,452 ERROR [AbstractFlushingEventListener] Could not synchronize 
database state with session
  | org.hibernate.exception.ConstraintViolationException: Could not execute 
JDBC batch update
  |         at 
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:69)
  | 

The constraint lays on the JBPM_TRANSITION table.

As I check the logs everthings looks right:

  | 2005-12-16 13:48:12,843 INFO  [STDOUT] Hibernate: select 
hibernate_sequence.nextval from dual
  | [...]
  | 2005-12-16 13:48:12,843 INFO  [STDOUT] Hibernate: select 
hibernate_sequence.nextval from dual
  | 2005-12-16 13:48:12,843 INFO  
[com.camunda.tk-jbpm.services.AdminServicesImpl] deployment sucessfull
  | 2005-12-16 13:48:12,843 INFO  [STDOUT] Hibernate: insert into 
JBPM_PROCESSDEFINITION (NAME_, VERSION_, ISTERMINATIONIMPLICIT_, STARTSTATE_, 
ID_) values (?, ?, ?, ?, ?)
  | 2005-12-16 13:48:12,843 INFO  [STDOUT] Hibernate: insert into JBPM_NODE 
(NAME_, PROCESSDEFINITION_, ACTION_, SUPERSTATE_, CLASS_, ID_) values (?, ?, ?, 
?, 'R', ?)
  | [...]
  | 2005-12-16 13:48:12,913 INFO  [STDOUT] Hibernate: insert into 
JBPM_TRANSITION (NAME_, PROCESSDEFINITION_, FROM_, TO_, ID_) values (?, ?, ?, 
?, ?)
  | 2005-12-16 13:48:12,913 INFO  [STDOUT] Hibernate: insert into 
JBPM_TRANSITION (NAME_, PROCESSDEFINITION_, FROM_, TO_, ID_) values (?, ?, ?, 
?, ?)
  | 

But while commiting the exception occurs. I think it is something wrong with 
the ID-Generating? As I looked into jbpm-sources it is
<id name="id" column="ID_"><generator class="native" /></id>, should be ok. We 
use the dialect: org.hibernate.dialect.Oracle9Dialect

Then, if I want to deploy the process after the rollback, I get another error: 

  | 2005-12-16 16:10:53,463 INFO  [STDOUT] Hibernate: select 
hibernate_sequence.nextval from dual
  | 2005-12-16 16:10:53,463 ERROR [org.jbpm.db.GraphSession] 
org.hibernate.NonUniqueObjectException: a different object with the same 
identifier value was already associated with the session: 
[org.jbpm.graph.def.ProcessDefinition#1]
  | 

I am sorry, but I am not the hibernate champ (I favour JDO ;-)), so any hints 
to this?

We have seen this exception randomly occur in other contextes (on other jBPM 
tables) but doesn't have not succesfully written a test, which fails every 
time...

Thanks a lot!

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http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3913151#3913151

Reply to the post : 
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3913151


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