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https://issues.apache.org/jira/browse/IOTDB-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638657#comment-17638657
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Jialin Qiao commented on IOTDB-5048:
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https://github.com/apache/iotdb/pull/8165
> Aggregation query reports 305 about internal error
> --------------------------------------------------
>
> Key: IOTDB-5048
> URL: https://issues.apache.org/jira/browse/IOTDB-5048
> Project: Apache IoTDB
> Issue Type: Bug
> Components: mpp-cluster
> Affects Versions: 0.14.0-SNAPSHOT
> Reporter: xiaozhihong
> Assignee: Jinrui Zhang
> Priority: Major
> Attachments: config.properties, image-2022-11-25-20-58-44-299.png,
> log_confignode_all.log, log_datanode_all.log
>
>
> commit c1cd52be0a1a9d19ea22db212f22e21b45165c07
> step 1: Start 1C1D, 1replication
> step 2: write data by benchmark
> step 3: execute SQL
> {code:java}
> IoTDB> select count(s_0) from root.test.g_0.d_0;
> Msg: 305: [INTERNAL_SERVER_ERROR(305)] Exception occurred: "select count(s_0)
> from root.test.g_0.d_0". executeStatement failed. class
> org.apache.iotdb.db.mpp.plan.planner.plan.node.source.AlignedSeriesAggregationScanNode
> cannot be cast to class
> org.apache.iotdb.db.mpp.plan.planner.plan.node.source.SeriesAggregationScanNode
>
> (org.apache.iotdb.db.mpp.plan.planner.plan.node.source.AlignedSeriesAggregationScanNode
> and
> org.apache.iotdb.db.mpp.plan.planner.plan.node.source.SeriesAggregationScanNode
> are in unnamed module of loader 'app') {code}
> The log is:
> !image-2022-11-25-20-58-44-299.png|width=540,height=203!
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