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https://issues.apache.org/jira/browse/STORM-197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Kellogg updated STORM-197:
-------------------------------
Component/s: storm-core
> registering metrics in an IRichSpout used in Trident Topology throws an
> Exception
> ---------------------------------------------------------------------------------
>
> Key: STORM-197
> URL: https://issues.apache.org/jira/browse/STORM-197
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Reporter: Jason Trost
> Labels: Metrics
>
> Because of how the RichSpoutBatchExecutor initializes and calls open() of the
> IRichSpout, any metric registrations cause an exception to be thrown. See
> stacktrace below.
> java.lang.RuntimeException: java.lang.RuntimeException:
> TopologyContext.registerMetric can only be called from within overridden
> IBolt::prepare() or ISpout::open() method.
> at
> backtype.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:90)
> at
> backtype.storm.utils.DisruptorQueue.consumeBatchWhenAvailable(DisruptorQueue.java:61)
> at
> backtype.storm.disruptor$consume_batch_when_available.invoke(disruptor.clj:62)
> at
> backtype.storm.daemon.executor$fn__3498$fn__3510$fn__3557.invoke(executor.clj:730)
> at backtype.storm.util$async_loop$fn__444.invoke(util.clj:403)
> at clojure.lang.AFn.run(AFn.java:24)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: java.lang.RuntimeException: TopologyContext.registerMetric can
> only be called from within overridden IBolt::prepare() or ISpout::open()
> method.
> at
> backtype.storm.task.TopologyContext.registerMetric(TopologyContext.java:213)
> at com.XXXXXXX.spouts.amqp.AMQPSpout.open(AMQPSpout.java:232)
> at
> storm.trident.spout.$RichSpoutEmitter.emitBatch(RichSpoutBatchExecutor.java:88)
> at
> storm.trident.spout.TridentSpoutExecutor.execute(TridentSpoutExecutor.java:65)
> at
> storm.trident.topology.TridentBoltExecutor.execute(TridentBoltExecutor.java:352)
> at
> backtype.storm.daemon.executor$fn__3498$tuple_action_fn__3500.invoke(executor.clj:615)
> at
> backtype.storm.daemon.executor$mk_task_receiver$fn__3421.invoke(executor.clj:383)
> at
> backtype.storm.disruptor$clojure_handler$reify__2962.onEvent(disruptor.clj:43)
> at
> backtype.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:87)
> ... 6 more
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