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https://issues.apache.org/jira/browse/STORM-1587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans resolved STORM-1587.
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Resolution: Fixed
Fix Version/s: 1.0.0
Thanks [~kishorvpatil],
I merged this into master and 1.x-branch
> ThroughputVsLatency printMetrics Throws NullPointerException
> ------------------------------------------------------------
>
> Key: STORM-1587
> URL: https://issues.apache.org/jira/browse/STORM-1587
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Reporter: Kishor Patil
> Assignee: Kishor Patil
> Fix For: 1.0.0
>
>
> The printmetrics can cause NPE.
> {code}
> 1701 [main] INFO o.a.s.StormSubmitter - Submitting topology wc-test in
> distributed mode with conf
> {"topology.worker.metrics":{"CPU":"org.apache.storm.metrics.sigar.CPUMetric"},"storm.zookeeper.topology.auth.scheme":"digest","topology.worker.gc.childopts":"-XX:+UseConcMarkSweepGC
> -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:NewSize=128m
> -XX:CMSInitiatingOccupancyFraction=70
> -XX:-CMSConcurrentMTEnabled","topology.workers":4,"topology.builtin.metrics.bucket.size.secs":10,"topology.worker.childopts":"-Xmx2g","storm.zookeeper.topology.auth.payload":"-5601074936064852696:-8332153375154710952","topology.metrics.consumer.register":[{"argument":null,"class":"org.apache.storm.metric.LoggingMetricsConsumer","parallelism.hint":1},{"argument":"http:\/\/survivedlived.corp.ir2.yahoo.com:45976\/","class":"org.apache.storm.metric.HttpForwardingMetricsConsumer","parallelism.hint":1}]}
> 2137 [main] INFO o.a.s.StormSubmitter - Finished submitting topology: wc-test
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.storm.starter.ThroughputVsLatency.printMetrics(ThroughputVsLatency.java:277)
> at
> org.apache.storm.starter.ThroughputVsLatency.main(ThroughputVsLatency.java:425)
> {code}
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