[Bug] iotdb 1.0 regionReplicaSet is invalid: null
- 主要言語
- Java
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- マージ済み PR(30日)
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説明
### Search before asking
- [X] I searched in the [issues](https://github.com/apache/iotdb/issues) and found nothing similar.
### Version
centos 7.4 iotdb 1.0
### Describe the bug and provide the minimal reproduce step
SQL:
SELECT
last_value(green_warning_lamp) as green_warning_lamp,
last_value(blue_warning_lamp) as blue_warning_lamp,
last_value(red_warning_lamp) as red_warning_lamp,
last_value(yellow_warning_lamp) as yellow_warning_lamp
FROM root.aa.bb.**
WHERE Time> 2023-01-04 12:00:00
align by device
当时间过滤条件设置为较新时 如 now-1h,会报
java.lang.IllegalArgumentException: regionReplicaSet is invalid: null
at org.apache.iotdb.db.mpp.plan.planner.distribution.SimpleFragmentParallelPlanner.selectTargetDataNode(SimpleFragmentParallelPlanner.java:129)
at org.apache.iotdb.db.mpp.plan.planner.distribution.SimpleFragmentParallelPlanner.produceFragmentInstance(SimpleFragmentParallelPlanner.java:115)
at org.apache.iotdb.db.mpp.plan.planner.distribution.SimpleFragmentParallelPlanner.prepare(SimpleFragmentParallelPlanner.java:87)
at org.apache.iotdb.db.mpp.plan.planner.distribution.SimpleFragmentParallelPlanner.parallelPlan(SimpleFragmentParallelPlanner.java:78)
at org.apache.iotdb.db.mpp.plan.planner.distribution.DistributionPlanner.planFragmentInstances(DistributionPlanner.java:94)
at org.apache.iotdb.db.mpp.plan.planner.distribution.DistributionPlanner.planFragments(DistributionPlanner.java:78)
at org.apache.iotdb.db.mpp.plan.execution.QueryExecution.doDistributedPlan(QueryExecution.java:304)
at org.apache.iotdb.db.mpp.plan.execution.QueryExecution.start(QueryExecution.java:201)
at org.apache.iotdb.db.mpp.plan.Coordinator.execute(Coordinator.java:150)
at org.apache.iotdb.db.service.thrift.impl.ClientRPCServiceImpl.executeStatementInternal(ClientRPCServiceImpl.java:215)
at org.apache.iotdb.db.service.thrift.impl.ClientRPCServiceImpl.executeStatementV2(ClientRPCServiceImpl.java:390)
at org.apache.iotdb.service.rpc.thrift.IClientRPCService$Processor$executeStatementV2.getResult(IClientRPCService.java:3453)
at org.apache.iotdb.service.rpc.thrift.IClientRPCService$Processor$executeStatementV2.getResult(IClientRPCService.java:3433)
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:748)
regionReplicaSet is invalid: null
### What did you expect to see?
success query
### What did you see instead?
regionReplicaSet is invalid: null
### Anything else?
_No response_
### Are you willing to submit a PR?
- [ ] I'm willing to submit a PR!
コントリビューションガイド
調査の方向性
最近の時間フィルターを使用して IoTDB 1.0 で SQL クエリを再現し、その後スタックトレースの SimpleFragmentParallelPlanner.selectTargetDataNode、特に 129 行目から開始して、DistributionPlanner を通じたプランニング呼び出しを追跡します。クエリが "regionReplicaSet is invalid: null" を発生させずに正常に完了すれば完了です。
索引モデルが issue の本文から書いたものです。
評価
- 技術スタック
- java
- 領域
- databases, distributed-systems
- issue の種類
- バグ
- 難易度
- 4/5
- 見積もり時間
- 3〜5日
- 活発さ
- 停滞
- 明瞭さ
- おおむね明確
- 初心者へのやさしさ
- 35/100