Hi Jerven,

OK, glad to here you have resolved the problem, was this due to a recent change 
on the Java side ?

The IER & ISR  NO OWNER locks indicate  Exclusive and Shared locks being held 
in the database. Was there also an accumulation of deadlocks reported by the 
status() command ?

Best Regards
Hugh Williams
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> On 4 Apr 2018, at 14:31, Jerven Tjalling Bolleman <jerven.bolleman@sib.swiss> 
> wrote:
> 
> Dear Virtuoso devs,
> 
> Of course it was _me_ not closing resources on the java side...
> 
> Regards,
> Jerven
> On 2018-04-03 14:13, Jerven Tjalling Bolleman wrote:
>> Dear Virtuoso devs,
>> We are having an otherwise healthy (just a bit slow) instance of
>> virtuoso with thousands of
>> IER NO OWNER locks being held according to status();
>> What kind of code of ours should I investigate to find the issue? I
>> believe all connections are properly closed and running finalizers on
>> the java side does not change the reported numbers.
>> Regards,
>> Jerven
> 
> -- 
> Jerven Tjalling Bolleman
> SIB | Swiss Institute of Bioinformatics
> CMU - 1, rue Michel Servet - 1211 Geneva 4
> t: +41 22 379 58 85 - f: +41 22 379 58 58
> Jerven.Bolleman@sib.swiss - http://www.sib.swiss
> 
> 
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