[BUILD-UNSTABLE]: Job 'IoTDB/IoTDB-Pipe/master [master] [552]'

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BUILD-UNSTABLE: Job 'IoTDB/IoTDB-Pipe/master [master] [552]':

Check console output at "<a 
href="https://ci-builds.apache.org/job/IoTDB/job/IoTDB-Pipe/job/master/552/";>IoTDB/IoTDB-Pipe/master
 [master] [552]</a>"