[jira] [Closed] (SLING-7507) Tracker open to early which can cause a NPE.

["Karl Pauls (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-7507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Pauls closed SLING-7507.
-----------------------------

> Tracker open to early which can cause a NPE.
> --------------------------------------------
>
>                 Key: SLING-7507
>                 URL: https://issues.apache.org/jira/browse/SLING-7507
>             Project: Sling
>          Issue Type: Bug
>          Components: Commons
>    Affects Versions: Commons Log 5.1.0
>            Reporter: Karl Pauls
>            Assignee: Karl Pauls
>            Priority: Major
>             Fix For: Commons Log 5.1.2
>
>
> The FilterTracker and TurboFilterTracker service tracker are opened in the constructor of the LogbackManager at a time when it isn't fully configured yet. That can lead to an NPE if there is a service found right away.  
> {code:java}
> Caused by: java.lang.NullPointerException: null
>         at org.apache.sling.commons.log.logback.internal.LogbackManager$LoggerStateContext.<init>(LogbackManager.java:733)
>         at org.apache.sling.commons.log.logback.internal.LogbackManager.determineLoggerState(LogbackManager.java:663)
>         at org.apache.sling.commons.log.logback.internal.FilterTracker.getAppenderMap(FilterTracker.java:173)
>         at org.apache.sling.commons.log.logback.internal.FilterTracker.addingService(FilterTracker.java:67)
>         at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941)
>         at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870)
>         at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
>         at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183)
>         at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:318)
>         at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:261)
>         at org.apache.sling.commons.log.logback.internal.FilterTracker.<init>(FilterTracker.java:55)
>         at org.apache.sling.commons.log.logback.internal.LogbackManager.<init>(LogbackManager.java:153)
>         at org.apache.sling.commons.log.logback.internal.Activator.initializeLogbackManager(Activator.java:75)
>         at org.apache.sling.commons.log.logback.internal.Activator.start(Activator.java:55)
>         at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
>         at org.apache.felix.framework.Felix.activateBundle(Felix.java:2240)
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)