[STORM-197] registering metrics in an IRichSpout used in Trident Topology throws an Exception

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: storm-core
• Labels: Metrics
• Assignee: Unassigned
• Reporter: Jason Trost
• Created: 16/Jan/14 15:32
• Updated: 09/Oct/15 00:03

Description

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$fn3510$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