I'm sorry, I'm not sure I follow you. How are you getting proxy
objects from the EclipseLink entityManager instance instead of JpaQuery
instances? My understanding is that the em in your case is a proxy
wrapping the underlying delegate entitymanager, in which case
getDelegate will give you a handle to the underlying Em. Where are you
running this, and what class type is the delegate object returned?
Regards,
Chris
On 28/05/2010 2:06 PM, Zarar Siddiqi wrote:
It doesn't matter whether you create it using em.createQuery() or
em.getDelegate().createQuery(), the issue is that the query returned
is a Proxy object.
Thanks,
Zarar
On Fri, May 28, 2010 at 1:58 PM, Christopher Delahunt
<christopher.delahunt@xxxxxxxxxx> wrote:
I'm not sure where you are running this server wise, but you can always get
the delegate EntityManager and have it create your query directly:
Query query = em.getDelegate().createQuery(...);
JpaHelper.getDatabaseQuery(query).setRedirector(aggressiveCacheQueryRedirector);
em.getDelegate should give you the EclipseLink em and so not give you a
proxy query object either.
Best Regards,
Chris
On 28/05/2010 1:43 PM, Zarar Siddiqi wrote:
I'm receiving the following error almost randomly, but once I receive
it, all subsequent calls using the em fail:
jpa_helper_invalid_queryclass $Proxy34 (There is no English
translation for this message.)
I use the following before each query:
Query query = em.createQuery(...);
JpaHelper.getDatabaseQuery(query).setRedirector(aggressiveCacheQueryRedirector);
I looked at the code inside JpaHelper.getDatabaseQuery() which is
where the exception is thrown and it reads:
if (query instanceof JpaQuery) {
return ((JpaQuery)query).getDatabaseQuery();
}
throw new
IllegalArgumentException(ExceptionLocalization.buildMessage("jpa_helper_invalid_query"
+ query.getClass()));
Any idea how to get around the proxy?
Thanks,
Zarar
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