[jira] [Created] (STORM-1208) UI: NPE seen when aggregating bolt streams stats

["Derek Dagit (JIRA)" <ji...@apache.org>]

Derek Dagit created STORM-1208:
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             Summary: UI: NPE seen when aggregating bolt streams stats
                 Key: STORM-1208
                 URL: https://issues.apache.org/jira/browse/STORM-1208
             Project: Apache Storm
          Issue Type: Bug
          Components: storm-core
    Affects Versions: 0.11.0
            Reporter: Derek Dagit
            Assignee: Derek Dagit


A stack trace is seen on the UI via its thrift connection to nimbus.

On nimbus, a stack trace similar to the following is seen:

{noformat}
2015-11-09 19:26:48.921 o.a.t.s.TThreadPoolServer [ERROR] Error occurred during processing of message.
java.lang.NullPointerException
        at backtype.storm.stats$agg_bolt_streams_lat_and_count$iter__2219__2223$fn__2224.invoke(stats.clj:346) ~[storm-core-0.10.1.jar:0.10.1]
        at clojure.lang.LazySeq.sval(LazySeq.java:40) ~[clojure-1.6.0.jar:?]
        at clojure.lang.LazySeq.seq(LazySeq.java:49) ~[clojure-1.6.0.jar:?]
        at clojure.lang.RT.seq(RT.java:484) ~[clojure-1.6.0.jar:?]
        at clojure.core$seq.invoke(core.clj:133) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$seq_reduce.invoke(protocols.clj:30) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$fn__6078.invoke(protocols.clj:54) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$fn__6031$G__6026__6044.invoke(protocols.clj:13) ~[clojure-1.6.0.jar:?]
        at clojure.core$reduce.invoke(core.clj:6289) ~[clojure-1.6.0.jar:?]
        at clojure.core$into.invoke(core.clj:6341) ~[clojure-1.6.0.jar:?]
        at backtype.storm.stats$agg_bolt_streams_lat_and_count.invoke(stats.clj:344) ~[storm-core-0.10.1.jar:0.10.1]
        at backtype.storm.stats$agg_pre_merge_comp_page_bolt.invoke(stats.clj:439) ~[storm-core-0.10.1.jar:0.10.1]
        at backtype.storm.stats$fn__2578.invoke(stats.clj:1093) ~[storm-core-0.10.1.jar:0.10.1]
        at clojure.lang.MultiFn.invoke(MultiFn.java:241) ~[clojure-1.6.0.jar:?]
        at clojure.lang.AFn.applyToHelper(AFn.java:165) ~[clojure-1.6.0.jar:?]
        at clojure.lang.AFn.applyTo(AFn.java:144) ~[clojure-1.6.0.jar:?]
        at clojure.core$apply.invoke(core.clj:628) ~[clojure-1.6.0.jar:?]
        at clojure.core$partial$fn__4230.doInvoke(core.clj:2470) ~[clojure-1.6.0.jar:?]
        at clojure.lang.RestFn.invoke(RestFn.java:421) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$fn__6086.invoke(protocols.clj:143) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$fn__6057$G__6052__6066.invoke(protocols.clj:19) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$seq_reduce.invoke(protocols.clj:31) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$fn__6078.invoke(protocols.clj:54) ~[clojure-1.6.0.jar:?]
        at clojure.core.protocols$fn__6031$G__6026__6044.invoke(protocols.clj:13) ~[clojure-1.6.0.jar:?]
        at clojure.core$reduce.invoke(core.clj:6289) ~[clojure-1.6.0.jar:?]
        at backtype.storm.stats$aggregate_comp_stats_STAR_.invoke(stats.clj:1106) ~[storm-core-0.10.1.jar:0.10.1]
        at clojure.lang.AFn.applyToHelper(AFn.java:165) ~[clojure-1.6.0.jar:?]
        at clojure.lang.AFn.applyTo(AFn.java:144) ~[clojure-1.6.0.jar:?]
        at clojure.core$apply.invoke(core.clj:624) ~[clojure-1.6.0.jar:?]
        at backtype.storm.stats$fn__2589.doInvoke(stats.clj:1127) ~[storm-core-0.10.1.jar:0.10.1]
        at clojure.lang.RestFn.invoke(RestFn.java:436) ~[clojure-1.6.0.jar:?]
        at clojure.lang.MultiFn.invoke(MultiFn.java:236) ~[clojure-1.6.0.jar:?]
        at backtype.storm.stats$agg_comp_execs_stats.invoke(stats.clj:1303) ~[storm-core-0.10.1.jar:0.10.1]
        at backtype.storm.daemon.nimbus$fn__5893$exec_fn__1502__auto__$reify__5917.getComponentPageInfo(nimbus.clj:1715) ~[storm-core-0.10.1.jar:0.10.1]
        at backtype.storm.generated.Nimbus$Processor$getComponentPageInfo.getResult(Nimbus.java:3677) ~[storm-core-0.10.1.jar:0.10.1]
        at backtype.storm.generated.Nimbus$Processor$getComponentPageInfo.getResult(Nimbus.java:3661) ~[storm-core-0.10.1.jar:0.10.1]
        at org.apache.thrift7.ProcessFunction.process(ProcessFunction.java:39) ~[storm-core-0.10.1.jar:0.10.1]
        at org.apache.thrift7.TBaseProcessor.process(TBaseProcessor.java:39) ~[storm-core-0.10.1.jar:0.10.1]
        at backtype.storm.security.auth.SaslTransportPlugin$TUGIWrapProcessor.process(SaslTransportPlugin.java:143) ~[storm-core-0.10.1.jar:0.10.1]
        at org.apache.thrift7.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285) [storm-core-0.10.1.jar:0.10.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_40]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_40]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_40]
{noformat}




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