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https://issues.apache.org/jira/browse/SLING-7074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136988#comment-16136988
]
Alex Deparvu commented on SLING-7074:
-------------------------------------
I think I've corrupted the rrd db by setting the {{step}} to {{-1}}. the UI
does not show it, but the logs do, I cannot change the value anymore and not
even a restart brings it back:
{noformat}
22.08.2017 17:57:20.614 *INFO* [FelixStartLevel]
org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter Starting
RRD4J Metrics reporter
22.08.2017 17:57:20.659 *ERROR* [FelixStartLevel]
org.apache.sling.commons.metrics-rrd4j
[org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter(3095)] The
activate method has thrown an exception (java.lang.IllegalArgumentException:
Invalid RRD step specified: -1)
java.lang.IllegalArgumentException: Invalid RRD step specified: -1
at org.rrd4j.core.RrdDef.<init>(RrdDef.java:83)
at org.rrd4j.core.RrdDef.<init>(RrdDef.java:97)
at org.rrd4j.core.RrdDef.<init>(RrdDef.java:114)
at org.rrd4j.core.RrdDb.getRrdDef(RrdDb.java:833)
at
org.apache.sling.commons.metrics.rrd4j.impl.RRD4JReporter.createDB(RRD4JReporter.java:310)
at
org.apache.sling.commons.metrics.rrd4j.impl.RRD4JReporter.<init>(RRD4JReporter.java:158)
at
org.apache.sling.commons.metrics.rrd4j.impl.RRD4JReporter$Builder.build(RRD4JReporter.java:127)
at
org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter.activate(CodahaleMetricsReporter.java:146)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
{noformat}
> RRD4J NPE on removing all "Data sources" from config
> ----------------------------------------------------
>
> Key: SLING-7074
> URL: https://issues.apache.org/jira/browse/SLING-7074
> Project: Sling
> Issue Type: Bug
> Components: Commons
> Reporter: Alex Deparvu
> Priority: Minor
> Fix For: Commons Metrics RRD4J 1.0.0
>
>
> Opened the config manager and deleted all entries
> {noformat}
> *ERROR* [CM Event Dispatcher (Fire ConfigurationEvent:
> pid=org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter)]
> org.apache.sling.commons.metrics-rrd4j
> [org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter(3134)]
> The activate method has thrown an exception (java.lang.NullPointerException)
> java.lang.NullPointerException: null
> at
> org.apache.sling.commons.metrics.rrd4j.impl.RRD4JReporter$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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