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https://issues.apache.org/jira/browse/LOG4J2-2969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244725#comment-17244725
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Nazerke Seidan commented on LOG4J2-2969:
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Yes, it does occur in 2.14.0.
> NPE at getContextMap() in RingBufferLogEvent
> --------------------------------------------
>
> Key: LOG4J2-2969
> URL: https://issues.apache.org/jira/browse/LOG4J2-2969
> Project: Log4j 2
> Issue Type: Bug
> Affects Versions: 2.13.0
> Reporter: Nazerke Seidan
> Priority: Major
>
> In our log4j2.xml configuration we use sync logging (Loggers, Root) for
> testing purpose, then we switch to async logging by setting
> *Dlog4j2.contextSelector* to
> *org.apache.logging.log4j.core.async.AsyncLoggerContextSelector*
> But then we get NPE when we browse log history on Solr Admin UI :
> at
> org.apache.logging.log4j.core.async.RingBufferLogEvent.getContextMap(RingBufferLogEvent.java:345)
> at
> org.apache.solr.logging.log4j2.Log4j2Watcher.toSolrDocument(Log4j2Watcher.java:281)
> at
> org.apache.solr.logging.log4j2.Log4j2Watcher.toSolrDocument(Log4j2Watcher.java:45)
> at org.apache.solr.logging.LogWatcher.getHistory(LogWatcher.java:98)
> at
> org.apache.solr.handler.admin.LoggingHandler.handleRequestBody(LoggingHandler.java:118)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
> where we call contextData.toMap() in getContextMap()
>
>
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