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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SLING-7074) RRD4J NPE on removing all "Data sources" from config
Date Thu, 24 Aug 2017 12:25:00 GMT

    [ https://issues.apache.org/jira/browse/SLING-7074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16139972#comment-16139972
] 

Marcel Reutegger commented on SLING-7074:
-----------------------------------------

Looks very good to me.

Regarding the path. IIUC the activate would throw an exception if I remove the path configuration
entry. What do you think about a fallback to the default path in that case?

> RRD4J NPE on removing all "Data sources" from config
> ----------------------------------------------------
>
>                 Key: SLING-7074
>                 URL: https://issues.apache.org/jira/browse/SLING-7074
>             Project: Sling
>          Issue Type: Bug
>          Components: Commons
>            Reporter: Alex Deparvu
>            Priority: Minor
>             Fix For: Commons Metrics RRD4J 1.0.0
>
>         Attachments: SLING-7074.patch
>
>
> Opened the config manager and deleted all entries
> {noformat}
>   *ERROR* [CM Event Dispatcher (Fire ConfigurationEvent: pid=org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter)]
org.apache.sling.commons.metrics-rrd4j [org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter(3134)]
The activate method has thrown an exception (java.lang.NullPointerException)
> java.lang.NullPointerException: null
>     at org.apache.sling.commons.metrics.rrd4j.impl.RRD4JReporter$Builder.withDatasources(RRD4JReporter.java:91)
>     at org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter.activate(CodahaleMetricsReporter.java:143)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
> {noformat}
> fyi [~mreutegg]



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