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From Jörg Hoh (JIRA) <j...@apache.org>
Subject [jira] [Updated] (SLING-8002) DistributedEventReceiver utilizes long-running session
Date Thu, 11 Oct 2018 12:55:00 GMT

     [ https://issues.apache.org/jira/browse/SLING-8002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jörg Hoh updated SLING-8002:
----------------------------
    Attachment: SLING-8002.patch

> DistributedEventReceiver utilizes long-running session
> ------------------------------------------------------
>
>                 Key: SLING-8002
>                 URL: https://issues.apache.org/jira/browse/SLING-8002
>             Project: Sling
>          Issue Type: Improvement
>          Components: Event
>    Affects Versions: Distributed Event Admin 1.1.2
>            Reporter: Jörg Hoh
>            Priority: Major
>         Attachments: SLING-8002.patch
>
>
> We recently came across this warning in our logs. Looks like the DistributedEventReceiver
uses a long-running session, thus causing warnings from Oak.
> {noformat}
> 10.10.2018 10:02:37.620 *WARN* [Thread-51] org.apache.jackrabbit.oak.jcr.session.RefreshStrategy
This session has been idle for 5 minutes and might be out of date. Consider using a fresh
session or explicitly refresh the session. 
> java.lang.Exception: The session was created here: 
>         at org.apache.jackrabbit.oak.jcr.session.RefreshStrategy$LogOnce.<init>(RefreshStrategy.java:170)

>         at org.apache.jackrabbit.oak.jcr.repository.RepositoryImpl.login(RepositoryImpl.java:285)

>         at com.adobe.granite.repository.impl.CRX3RepositoryImpl.login(CRX3RepositoryImpl.java:150)

>         at com.adobe.granite.repository.impl.CRX3RepositoryImpl.login(CRX3RepositoryImpl.java:241)

>         at com.adobe.granite.repository.impl.SlingRepositoryImpl$4.run(SlingRepositoryImpl.java:177)

>         at com.adobe.granite.repository.impl.SlingRepositoryImpl$4.run(SlingRepositoryImpl.java:174)

>         at java.security.AccessController.doPrivileged(AccessController.java:686) 
>         at javax.security.auth.Subject.doAsPrivileged(Subject.java:729) 
>         at com.adobe.granite.repository.impl.SlingRepositoryImpl.createServiceSession(SlingRepositoryImpl.java:174)

>         at org.apache.sling.jcr.base.AbstractSlingRepository2.createServiceSession(AbstractSlingRepository2.java:166)

>         at org.apache.sling.jcr.base.AbstractSlingRepository2.loginService(AbstractSlingRepository2.java:381)

>         at org.apache.sling.jcr.resource.internal.helper.jcr.JcrProviderStateFactory.createProviderState(JcrProviderStateFactory.java:116)

>         at org.apache.sling.jcr.resource.internal.helper.jcr.JcrResourceProvider.authenticate(JcrResourceProvider.java:304)

>         at org.apache.sling.jcr.resource.internal.helper.jcr.JcrResourceProvider.authenticate(JcrResourceProvider.java:76)

>         at org.apache.sling.resourceresolver.impl.providers.stateful.ProviderManager.authenticate(ProviderManager.java:161)

>         at org.apache.sling.resourceresolver.impl.providers.stateful.ProviderManager.getOrCreateProvider(ProviderManager.java:87)

>         at org.apache.sling.resourceresolver.impl.providers.stateful.ProviderManager.authenticateAll(ProviderManager.java:129)

>         at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.createControl(ResourceResolverImpl.java:138)

>         at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.<init>(ResourceResolverImpl.java:100)

>         at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.<init>(ResourceResolverImpl.java:94)

>         at org.apache.sling.resourceresolver.impl.CommonResourceResolverFactoryImpl.getResourceResolverInternal(CommonResourceResolverFactoryImpl.java:263)

>         at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryImpl.getServiceResourceResolver(ResourceResolverFactoryImpl.java:96)

>         at org.apache.sling.event.dea.impl.DistributedEventReceiver$1.run(DistributedEventReceiver.java:139)

>         at java.lang.Thread.run(Thread.java:785) 
> {noformat}
> Either the scope of the session should be reduced, or the session should be refreshed
before writing.



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