Hi All,
Does anybody have any ideas what could be causing the following problem:
I have an entity, call it z, of entity class Z. It is involved in a cached
query of the form 'from Z zz'. The query is executed and cached at a particular
point in time, and a timestamp is attached to the metadata on the query result.
Then the entity z is then deleted in the normal flow of a usecase. The
UpdateTimestampsCache records a last modified time of the table Z to be a few
milliseconds before the timestamp in the query result cache. Thus, even though
the entity is removed, the cached query still holds the pk of the entity in its
list. When the cached query is executed, it obviously returns an error, since
the entity no longer exists.
As far as I can see, the query cache is not managing its timestamps strictly.
However, the entity z itself was also cached directly, and it was removed
correctly from the entity cache.
The environment is two application servers running versions 4.0.4.GA, with a
clustered ejb3 container config.
Any ideas would be greatly appreciated.
Gareth.
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