kangkaisen created KYLIN-1992:
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Summary: Clear ThreadLocal Contexts when query failed before
scaning HBase
Key: KYLIN-1992
URL: https://issues.apache.org/jira/browse/KYLIN-1992
Project: Kylin
Issue Type: Bug
Reporter: kangkaisen
Assignee: kangkaisen
Priority: Minor
currently, we call `OLAPContext.clearThreadLocalContexts()` function before
scaning HBase.
if query failed before scaning HBase, we would get wrong `realization` of the
query possibly.
Because the thread pool of Tomcat multiplexed the thread and didn't clear
ThreadLocal variable.
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