honestpeople commented on issue #7487:
URL: https://github.com/apache/iotdb/issues/7487#issuecomment-1263037328
> 到unsequence下面是正常现象，load的文件与已有的文件device时间范围有重叠。数据查询不到的server端报错日志是？
2022-09-30 09:50:49,672 [pool-14-IoTDB-RPC-Client-3] WARN
o.a.i.d.u.ErrorHandlingUtils:61 - Status code: INTERNAL_SERVER_ERROR(500),
operation: "select p1 from root.bof.bof1". executeStatement failed
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at
org.apache.iotdb.db.service.thrift.impl.TSServiceImpl.submitQueryTask(TSServiceImpl.java:802)
at
org.apache.iotdb.db.service.thrift.impl.TSServiceImpl.executeStatement(TSServiceImpl.java:631)
at
org.apache.iotdb.service.rpc.thrift.TSIService$Processor$executeStatement.getResult(TSIService.java:3101)
at
org.apache.iotdb.service.rpc.thrift.TSIService$Processor$executeStatement.getResult(TSIService.java:3081)
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38)
at
org.apache.iotdb.db.service.thrift.ProcessorWithMetrics.process(ProcessorWithMetrics.java:64)
at
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:248)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.NullPointerException: null
at
org.apache.iotdb.tsfile.read.TsFileSequenceReader.<init>(TsFileSequenceReader.java:142)
at
org.apache.iotdb.tsfile.read.TsFileSequenceReader.<init>(TsFileSequenceReader.java:122)
at
org.apache.iotdb.db.query.control.FileReaderManager.get(FileReaderManager.java:129)
at
org.apache.iotdb.db.engine.cache.TimeSeriesMetadataCache.get(TimeSeriesMetadataCache.java:194)
at
org.apache.iotdb.db.utils.FileLoaderUtils.loadTimeSeriesMetadata(FileLoaderUtils.java:107)
at
org.apache.iotdb.db.query.reader.series.SeriesReader.loadTimeSeriesMetadata(SeriesReader.java:1123)
at
org.apache.iotdb.db.query.reader.series.SeriesReader.unpackSeqTsFileResource(SeriesReader.java:1089)
at
org.apache.iotdb.db.query.reader.series.SeriesReader.tryToUnpackAllOverlappedFilesToTimeSeriesMetadata(SeriesReader.java:1012)
at
org.apache.iotdb.db.query.reader.series.SeriesReader.hasNextFile(SeriesReader.java:260)
at
org.apache.iotdb.db.query.reader.series.SeriesReader.hasNextChunk(SeriesReader.java:333)
at
org.apache.iotdb.db.query.reader.series.SeriesRawDataBatchReader.readChunkData(SeriesRawDataBatchReader.java:170)
at
org.apache.iotdb.db.query.reader.series.SeriesRawDataBatchReader.hasNextBatch(SeriesRawDataBatchReader.java:118)
at
org.apache.iotdb.db.query.dataset.RawQueryDataSetWithoutValueFilter$ReadTask.runMayThrow(RawQueryDataSetWithoutValueFilter.java:96)
at
org.apache.iotdb.db.concurrent.WrappedRunnable.run(WrappedRunnable.java:32)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 3 common frames omitted
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