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https://issues.apache.org/jira/browse/AMBARI-25808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated AMBARI-25808:
------------------------------------
Labels: pull-request-available (was: )
> Metrics data simulator throws NPE
> ---------------------------------
>
> Key: AMBARI-25808
> URL: https://issues.apache.org/jira/browse/AMBARI-25808
> Project: Ambari
> Issue Type: Bug
> Reporter: Mohammad Arshad
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.7.8
>
>
> {noformat}
> user@host1 bin % ./start.sh localhost:6188 2
> {noformat}
> {code:java}
> 2022-12-10 00:00:15,245 INFO [main] loadsimulator.MetricsLoadSimulator
> (MetricsLoadSimulator.java:parseArgs(110)) - Recognized options:
> baseHostName=host1 hosts#=2 trafficMode=burst metricsHostName=localhost:6188
> collectIntervalMillis=15000 sendIntervalMillis=60000 simulateMaster=false
> 2022-12-10 00:00:15,250 INFO [main] data.MetricsGeneratorConfigurer
> (MetricsGeneratorConfigurer.java:readMetrics(67)) - Loading
> metrics_def/HOST.dat
> 2022-12-10 00:00:15,269 INFO [main] data.MetricsGeneratorConfigurer
> (MetricsGeneratorConfigurer.java:readMetrics(67)) - Loading
> metrics_def/DATANODE.dat
> 2022-12-10 00:00:15,270 INFO [main] data.MetricsGeneratorConfigurer
> (MetricsGeneratorConfigurer.java:readMetrics(67)) - Loading
> metrics_def/NODEMANAGER.dat
> 2022-12-10 00:00:15,272 INFO [main] data.MetricsGeneratorConfigurer
> (MetricsGeneratorConfigurer.java:readMetrics(67)) - Loading
> metrics_def/SLAVE_HBASE.dat
> Exception in thread "main" java.lang.NullPointerException
> at java.io.Reader.<init>(Reader.java:78)
> at java.io.InputStreamReader.<init>(InputStreamReader.java:72)
> at
> org.apache.ambari.metrics.core.loadsimulator.data.MetricsGeneratorConfigurer.readMetrics(MetricsGeneratorConfigurer.java:72)
> at
> org.apache.ambari.metrics.core.loadsimulator.data.MetricsGeneratorConfigurer.createMetricsForHost(MetricsGeneratorConfigurer.java:57)
> at
> org.apache.ambari.metrics.core.loadsimulator.LoadRunner.createApplicationMetrics(LoadRunner.java:112)
> at
> org.apache.ambari.metrics.core.loadsimulator.LoadRunner.addMetricsWorkers(LoadRunner.java:100)
> at
> org.apache.ambari.metrics.core.loadsimulator.LoadRunner.prepareWorkers(LoadRunner.java:88)
> at
> org.apache.ambari.metrics.core.loadsimulator.LoadRunner.<init>(LoadRunner.java:69)
> at
> org.apache.ambari.metrics.core.loadsimulator.MetricsLoadSimulator.main(MetricsLoadSimulator.java:48)
> {code}
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