Clebert Suconic created ARTEMIS-5428:
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             Summary: Hardening Paging Operation
                 Key: ARTEMIS-5428
                 URL: https://issues.apache.org/jira/browse/ARTEMIS-5428
             Project: ActiveMQ Artemis
          Issue Type: Bug
            Reporter: Clebert Suconic


I have been doing some extensive tests with Paging and PagingWriter, and I 
found a few interligated issues:

- When the server is stopped, the IDGenerator could be used after the snapshot 
is generated, what could lead to data loss in case of a regular shutdown while 
system under heavy load

- delayed Transaction could be completed after exceptions (the markRollbackOnly 
or rollback should clear any pending state)

- The Acceptor notification is being called after the IDGenerator is stopped 
(found this by accident after stopping the IDGEnerator).



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