Jialin Qiao created IOTDB-2058:
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Summary: Query is blocked without sub-query-threads exist
Key: IOTDB-2058
URL: https://issues.apache.org/jira/browse/IOTDB-2058
Project: Apache IoTDB
Issue Type: Bug
Affects Versions: 0.12.3
Reporter: Jialin Qiao
Assignee: Alima777
Attachments: image-2021-11-25-14-36-27-927.png, jstack.txt
In an IoTDB Instance, the query main thread is blocking. We could see the
queryId using show query proceslist. However, we couldn't see the sub query
thread of the blocked query in the jstack file.
!image-2021-11-25-14-36-27-927.png!
This may be due to that the sub-thread is dead because some error（not catched
by Exception）
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