GitHub user kishorvpatil opened a pull request:
https://github.com/apache/storm/pull/1167
[YSTORM-1587] Avoid NPE while prining Metrics
Avoiding..
```
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)
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kishorvpatil/incubator-storm storm1587
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/1167.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1167
----
commit cbc506c0b4e56ef70e640c268b5b57f845c0e1fe
Author: Kishor Patil <[email protected]>
Date: 2016-02-29T16:54:46Z
Avoid NPE while prining Metrics
----
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