dttlgotv opened a new issue #3457: streamlet examples do not work URL: https://github.com/apache/incubator-heron/issues/3457 I just run heron streamlet examples step by step according to the doc https://heron.incubator.apache.org/docs/getting-started-local-single-node/, but in heron ui it seems that it do not work well. Why is source emitting count 0? I try other examples in streamlets, the results are same, the count is 0.  
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