我是Spark流媒体的新手，刚刚从spark官方网站上给出的字数入手。但是，即使在写入流中使用“完全”模式后，为什么我仍未获得汇总结果？
https://spark.apache.org/docs/2.3.0/structured-streaming-programming-guide.html从这里我选择了代码并在eclipse中运行，但只给出了一行结果。
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Time: 1559293328000 ms
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(th,4)
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Time: 1559293329000 ms
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19/05/31 11:02:09 WARN RandomBlockReplicationPolicy: Expecting 1 replicas with only 0 peer/s.
19/05/31 11:02:09 WARN BlockManager: Block input-0-1559293329600 replicated to only 0 peer(s) instead of 1 peers
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Time: 1559293330000 ms
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(th,2)