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https://issues.apache.org/jira/browse/OAK-8948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcel Reutegger updated OAK-8948:
----------------------------------
Component/s: (was: jackrabbit-api)
jcr
> PathUtils. unifyInExcludes throws NPE when 'exclude' is null
> ------------------------------------------------------------
>
> Key: OAK-8948
> URL: https://issues.apache.org/jira/browse/OAK-8948
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: jcr
> Affects Versions: 1.8.17, 1.8.20
> Reporter: rafiya sirin
> Assignee: Marcel Reutegger
> Priority: Minor
> Labels: Observation
> Fix For: 1.8.21
>
> Attachments: OAK-8948.patch, Screen Shot 2020-03-13 at 2.25.07
> PM.png, stacktrace.txt
>
>
> While registering a resource change listener, we encountered the following
> exception :
>
> {code:java}
> 05.03.2020 23:39:00.728 *ERROR* [FelixDispatchQueue]
> org.apache.sling.resourceresolver FrameworkEvent ERROR
> (java.lang.NullPointerException)
> java.lang.NullPointerException: null
> at
> org.apache.jackrabbit.oak.commons.PathUtils.unifyInExcludes(PathUtils.java:501)
> [org.apache.jackrabbit.oak-commons:1.8.17]
> at
> org.apache.jackrabbit.oak.jcr.observation.ObservationManagerImpl.addEventListener(ObservationManagerImpl.java:240)
> [org.apache.jackrabbit.oak-jcr:1.8.17]
> at
> org.apache.sling.jcr.resource.internal.JcrListenerBaseConfig.register(JcrListenerBaseConfig.java:136)
> [org.apache.sling.jcr.resource:3.0.16.1]
> {code}
>
> On further debugging, we found that issues lies in this snippet :
> {code:java}
> if (exclude.equals(include) || isAncestor(exclude, include)) {
> includesRemoved.add(include);{code}
> 'exclude' can be null if the getOakPath() method returns a null. This NPE
> causes listeners(ResourceChangeListener in our case) to fail at registration.
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