Mohammad Arshad created AMBARI-25808:
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Summary: 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
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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