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Timothee Maret commented on SLING-5380: --------------------------------------- It may be that {{resourceResolverFactory}} is {{null}} in the {{getResourceResolver}} thus causing the NPE. > NPE in TopologyWebConsolePlugin addDiscoveryLiteHistoryEntry > ------------------------------------------------------------ > > Key: SLING-5380 > URL: https://issues.apache.org/jira/browse/SLING-5380 > Project: Sling > Issue Type: Bug > Components: Extensions > Affects Versions: Discovery Oak 1.2.0 > Reporter: Timothee Maret > > In our logs we sometimes observe a NPE at start up. > {code} > Error Message > error.log contains the unexpected line: 14.12.2015 16:52:50.791 *ERROR* > [Discovery-AsyncEventSender] > org.apache.sling.discovery.oak.TopologyWebConsolePlugin > addDiscoveryLiteHistoryEntry: Exception: java.lang.NullPointerException > Stacktrace > junit.framework.AssertionFailedError: error.log contains the unexpected line: > 14.12.2015 16:52:50.791 *ERROR* [Discovery-AsyncEventSender] > org.apache.sling.discovery.oak.TopologyWebConsolePlugin > addDiscoveryLiteHistoryEntry: Exception: java.lang.NullPointerException > at junit.framework.Assert.fail(Assert.java:57) > at > com.adobe.granite.quickstart.it.AAALogFileIT.testLogFiles(AAALogFileIT.java:100) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)