Any ETA on this issue. I have clients with several hundred emails they
want to delete but cannot unless they want to do it one at a time, which
is not acceptable to them. Anything I can do to help? I suspect when
a problem gets into multi-thread locking it's going to be over my head.
But I' willing to take a look anyway if I can just get a couple of
pointers to get me into the zipcode of where the problem might be.
Thanks.
Jerry
On 10/29/2019 1:19 PM, Jerry Malcolm wrote:
I created JAMES-2942 <https://issues.apache.org/jira/browse/JAMES-2942>.
The emails in question do not have any additional explicitly-added
user flags.
Jerry
On 10/28/2019 6:05 AM, Tellier Benoit wrote:
Every time I try to trash more
than one mail item at a time (select a bunch of mails in TBird and hit
'Delete') I get a failure. The logs have a huge dump which I can attach
if necessary. But the key lines are:
Caused by: <openjpa-3.0.0-r422266:1833209 fatal store error>
org.apache.openjpa.persistence.RollbackException: Optimistic locking
errors were detected when flushing to the data store. The following
objects may have been concurrently modified in another transaction:
[org.apache.james.mailbox.jpa.mail.model.JPAUserFlag-1530940342]
Caused by: <openjpa-3.0.0-r422266:1833209 nonfatal store error>
org.apache.openjpa.persistence.OptimisticLockException: An optimistic
lock violation was detected when flushing object instance
"org.apache.james.mailbox.jpa.mail.model.JPAUserFlag-1530940342" to the
data store. This indicates that the object was concurrently modified in
another transaction.
I understand locking, etc. I googled 'optimistic lock' but I'd have to
dig deeper to understand how it's used in JPA. In any case, apparently
these locks are fighting with each other when more than one update is
attempted on a mailbox.
This is very reproducible. So far, I have never been able to delete
more than one item at a time.
I guess my current version is in the ballpark of 3.4+. It was a clone
of the master branch right after 3.4 went live.
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