[jira] [Created] (STORM-197) registering metrics in an IRichSpout used in Trident Topology throws an Exception

[Jason Trost (JIRA)]

Jason Trost created STORM-197:
---------------------------------

             Summary: 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 (Incubating)
          Issue Type: Bug
            Reporter: Jason Trost


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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