[hibernate-issues] [JIRA] (HSEARCH-3900) drop-and-create strategy is not working at app. startup when "hibernate.search.autoregister_listeners" is set to false. And if true, startup index creation thread are not released, sending the app in out of memory.

[Ronak S (JIRA)]

Ronak S ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5ea56c8496bbcb0b852580f0 ) *commented* on HSEARCH-3900 ( https://hibernate.atlassian.net/browse/HSEARCH-3900?atlOrigin=eyJpIjoiMWE3NmVlM2FkYjViNDg5OTg3YmI0MDkwMzBiODFhYzEiLCJwIjoiaiJ9 )

Re: drop-and-create strategy is not working at app. startup when "hibernate.search.autoregister_listeners" is set to false. And if true, startup index creation thread are not released, sending the app in out of memory. ( https://hibernate.atlassian.net/browse/HSEARCH-3900?atlOrigin=eyJpIjoiMWE3NmVlM2FkYjViNDg5OTg3YmI0MDkwMzBiODFhYzEiLCJwIjoiaiJ9 )

Below is the property from our hibernate config.

<property name="hibernate.search.default.indexmanager">elasticsearch</property>

We have this set correctly.

> 
> 
> 
> These are the threads that perform indexing.
> 
> 

But on startup we are not indexing anything.

> 
> 
> 
> The threads will not stop as long as your application is running. That's
> on purpose.
> 
> 

Why is so?

> 
> 
> 
> The threads run intermittently when you index something. That's on
> purpose.
> 
> 

We are not indexing anything on startup. Then why are they even started. And why they keep on running, when I’m not indexing anything.

> 
> 
> 
> Was your only problem that "Hibernate Search creates threads"?
> 
> 

No, issue is these threads are throwing my application in out of memory condition. Also If I switch elastic search off in my app, then the application runs fine.

( https://hibernate.atlassian.net/browse/HSEARCH-3900#add-comment?atlOrigin=eyJpIjoiMWE3NmVlM2FkYjViNDg5OTg3YmI0MDkwMzBiODFhYzEiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HSEARCH-3900#add-comment?atlOrigin=eyJpIjoiMWE3NmVlM2FkYjViNDg5OTg3YmI0MDkwMzBiODFhYzEiLCJwIjoiaiJ9 )

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