FLAKY UT : DruidAvaticaProtobufHandlerTest>DruidAvaticaHandlerTest.testConcurrentQueries:766

[cryptoe]

ERROR]   DruidAvaticaProtobufHandlerTest>DruidAvaticaHandlerTest.testConcurrentQueries:766 » Execution java.lang.RuntimeException: org.apache.calcite.avatica.AvaticaSqlException: Error -1 (00000) : Error while executing SQL "SELECT COUNT(*) + 1093 AS ci FROM foo": Remote driver error: QueryInterruptedException: Error while applying rule DruidQueryRule(AGGREGATE), args [rel#333927:LogicalAggregate.NONE.[](input=RelSubset#333918,group={},agg#0=COUNT()), rel#333928:DruidQueryRel.NONE.[](query={"queryType":"scan","dataSource":{"type":"table","name":"foo"},"intervals":{"type":"intervals","intervals":["-146136543-09-08T08:23:32.096Z/146140482-04-24T15:36:27.903Z"]},"resultFormat":"compactedList","columns":["__time","cnt","dim1","dim2","dim3","m1","m2","unique_dim1"],"legacy":false,"context":{"nativeQueryIds":"[04cf0553-ff12-4d26-a207-7276336d4a39]","sqlQueryId":"6d9cb589-ea53-446b-8a8b-6e1b96167743","sqlStringifyArrays":false},"granularity":{"type":"all"}},signature={__time:LONG, dim1:STRING, dim2:STRING, dim3:STRING, cnt:LONG, m1:FLOAT, m2:DOUBLE, unique_dim1:COMPLEX<hyperUnique>})] -> RuntimeException: Error while applying rule DruidQueryRule(AGGREGATE), args [rel#333927:LogicalAggregate.NONE.[](input=RelSubset#333918,group={},agg#0=COUNT()), rel#333928:DruidQueryRel.NONE.[](query={"queryType":"scan","dataSource":{"type":"table","name":"foo"},"intervals":{"type":"intervals","intervals":["-146136543-09-08T08:23:32.096Z/146140482-04-24T15:36:27.903Z"]},"resultFormat":"compactedList","columns":["__time","cnt","dim1","dim2","dim3","m1","m2","unique_dim1"],"legacy":false,"context":{"nativeQueryIds":"[04cf0553-ff12-4d26-a207-7276336d4a39]","sqlQueryId":"6d9cb589-ea53-446b-8a8b-6e1b96167743","sqlStringifyArrays":false},"granularity":{"type":"all"}},signature={__time:LONG, dim1:STRING, dim2:STRING, dim3:STRING, cnt:LONG, m1:FLOAT, m2:DOUBLE, unique_dim1:COMPLEX<hyperUnique>})] -> RuntimeException: Error occurred while applying rule DruidQueryRule(AGGREGATE) -> NullPointerException: Cannot invoke "java.util.Map.size()" because "m" is null

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