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Title
Webmonitor agent alerting false fatal alarms -
Description
WebMonitor agent is reporting false fatal alarms about the status of service but on the contrary the response time of websites monitored is correct.
Number of following errors are found in the FMS logs:
YYYY-MM-DD HH:MIN:SEC ERROR [Persistence-2-thread-1118459] com.quest.nitro.service.persistence.obs.handler.AggregateMetricHandler - Failed to insert value of metric b71917a8-60f3-480a-b03c-cbe2b18a7998:firstByte - ObservedValue: [1403067605210-1403068445100] (0ms) = MetricSummary (count: 15, sum: 1874.0, min: 109.0, max: 140.0, avg: 124.93333333333334, sumSquares: NaN, stdDev: NaN)
java.lang.RuntimeException: Invalid double value: NaN -
Cause
AGENT-2460 -
Resolution
STATUS:
None
WORKAROUND:
1. Disable the rule "WebMonitor Transaction Availability Check".
2. Upgrade to WebMonitor 5.7.0.
3. Enable the rule "WebMonitor Transaction Availability Check".