Details
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Bug
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Status: Resolved
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Major
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Resolution: Not A Problem
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2.1.0
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None
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None
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Ubuntu Linux 16.04, OpenJDK version 1.8.0_242
Description
The following topology with a single `BasicWindowedBolt`. The following topology:
public class GroupMean extends ConfigurableTopology { public static void main(String[] args) throws Exception { ConfigurableTopology.start(new GroupMean(), args); } @Override protected int run(String[] args) throws Exception { BaseWindowedBolt bolt = new GroupMeanBolt() .withTimestampExtractor(x -> x.getLong(0)) .withTumblingWindow(BaseWindowedBolt.Duration.of(100)); TopologyBuilder builder = new TopologyBuilder(); builder.setSpout("groups", new RandomGroupNumberSpout(), 1); builder.setBolt("mean", bolt, 1).shuffleGrouping("groups"); Config config = new Config(); config.put("topology.name", "group-mean-topo"); return submit("group-mean-topo", config, builder); } }
with the GroupMeanBolt being like:
public class GroupMeanBolt extends BaseWindowedBolt { private OutputCollector collector; @Override public void prepare(Map<String, Object> conf, TopologyContext context, OutputCollector collector) { this.collector = collector; } @Override public void execute(TupleWindow inputWindow) { if (inputWindow.get().size() > 0) { Map<Integer, Double> sum = new HashMap<>(); Map<Integer, Integer> histogram = new HashMap<>(); for (Tuple t : inputWindow.get()) { Integer key = t.getIntegerByField("key"); Double value = t.getDoubleByField("value"); sum.compute(key, (k, v) -> v == null ? value : v + value); histogram.compute(key, (k, v) -> v == null ? 1 : v + 1); } Map<Integer, Number> result = new HashMap<>(sum.size()); for (Map.Entry<Integer, Double> e : sum.entrySet()) { result.put(e.getKey(), e.getValue() / histogram.get(e.getKey())); } ArrayList<Object> out = new ArrayList<>(3); out.add(inputWindow.getStartTimestamp()); out.add(inputWindow.getEndTimestamp()); ArrayList<String> tokens = new ArrayList<>(result.size()); for (Map.Entry<Integer, Number> e : result.entrySet()) { String token = String.join(":", e.getKey().toString(), e.getValue().toString()); tokens.add(token); } out.add(String.join(",", tokens)); collector.emit(out); } } }
At runtime, an IllegalArgumentException is thrown because the "default" stream is not recognized. Stack trace:
2020-03-27 15:42:42.705 o.a.s.w.WaterMarkEventGenerator watermark-event-generator-0 [ERROR] Failed while processing watermark event java.lang.IllegalArgumentException: Unknown stream ID: default at org.apache.storm.daemon.Task.getOutgoingTasks(Task.java:164) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltOutputCollectorImpl.boltEmit(BoltOutputCollectorImpl.java:88) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltOutputCollectorImpl.emit(BoltOutputCollectorImpl.java:65) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.task.OutputCollector.emit(OutputCollector.java:93) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.task.OutputCollector.emit(OutputCollector.java:93) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor$WindowedOutputCollector.emit(WindowedBoltExecutor.java:403) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.task.OutputCollector.emit(OutputCollector.java:88) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at gr.katsip.spear.GroupMeanBolt.execute(GroupMeanBolt.java:51) ~[stormjar.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor.boltExecute(WindowedBoltExecutor.java:370) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor$1.onActivation(WindowedBoltExecutor.java:363) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WindowManager.onTrigger(WindowManager.java:156) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WatermarkTimeTriggerPolicy.handleWaterMarkEvent(WatermarkTimeTriggerPolicy.java:73) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WatermarkTimeTriggerPolicy.track(WatermarkTimeTriggerPolicy.java:43) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WindowManager.track(WindowManager.java:185) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WindowManager.add(WindowManager.java:121) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WaterMarkEventGenerator.run(WaterMarkEventGenerator.java:88) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_242] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_242] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_242] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_242] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_242] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_242] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242] 2020-03-27 15:42:42.715 o.a.s.w.WaterMarkEventGenerator Thread-14-mean-executor[3, 3] [ERROR] Got exception java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Unknown stream ID: default at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_242] at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_242] at org.apache.storm.windowing.WaterMarkEventGenerator.checkFailures(WaterMarkEventGenerator.java:115) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WaterMarkEventGenerator.track(WaterMarkEventGenerator.java:79) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor.execute(WindowedBoltExecutor.java:308) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltExecutor.tupleActionFn(BoltExecutor.java:234) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.Executor.accept(Executor.java:275) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.utils.JCQueue.consumeImpl(JCQueue.java:131) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.utils.JCQueue.consume(JCQueue.java:111) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltExecutor$1.call(BoltExecutor.java:171) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltExecutor$1.call(BoltExecutor.java:158) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.utils.Utils$1.run(Utils.java:392) [storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242] Caused by: java.lang.IllegalArgumentException: Unknown stream ID: default at org.apache.storm.daemon.Task.getOutgoingTasks(Task.java:164) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltOutputCollectorImpl.boltEmit(BoltOutputCollectorImpl.java:88) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.executor.bolt.BoltOutputCollectorImpl.emit(BoltOutputCollectorImpl.java:65) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.task.OutputCollector.emit(OutputCollector.java:93) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.task.OutputCollector.emit(OutputCollector.java:93) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor$WindowedOutputCollector.emit(WindowedBoltExecutor.java:403) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.task.OutputCollector.emit(OutputCollector.java:88) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at gr.katsip.spear.GroupMeanBolt.execute(GroupMeanBolt.java:51) ~[stormjar.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor.boltExecute(WindowedBoltExecutor.java:370) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.topology.WindowedBoltExecutor$1.onActivation(WindowedBoltExecutor.java:363) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WindowManager.onTrigger(WindowManager.java:156) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WatermarkTimeTriggerPolicy.handleWaterMarkEvent(WatermarkTimeTriggerPolicy.java:73) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WatermarkTimeTriggerPolicy.track(WatermarkTimeTriggerPolicy.java:43) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WindowManager.track(WindowManager.java:185) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WindowManager.add(WindowManager.java:121) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at org.apache.storm.windowing.WaterMarkEventGenerator.run(WaterMarkEventGenerator.java:88) ~[storm-client-2.1.1-SNAPSHOT.jar:2.1.1-SNAPSHOT] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_242] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) ~[?:1.8.0_242] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) ~[?:1.8.0_242] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ~[?:1.8.0_242] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_242] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_242] ... 1 more