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nichunen updated KYLIN-4191: ---------------------------- Fix Version/s: v3.0.0 > NPE in StreamingTupleConverter when querying count on a dimension field > ----------------------------------------------------------------------- > > Key: KYLIN-4191 > URL: https://issues.apache.org/jira/browse/KYLIN-4191 > Project: Kylin > Issue Type: Bug > Components: Real-time Streaming > Affects Versions: v3.0.0-alpha > Reporter: Andras Istvan Nagy > Assignee: Xiaoxiang Yu > Priority: Major > Fix For: v3.0.0 > > Attachments: NPE.txt > > > I am using the real-time olap feature with a lambda datasource definition. > When executing a query that has a count(dim_field) in the select clause, > where "dim_field" is one of the dimension fields, I get a NPE from > org.apache.kylin.stream.core.query.StreamingTupleConverter. > (According to a colleague, a similar query used to work for some time in our > environment, and then stopped working, but I can't verify this statement. > Restarting the Kylin processes or disabling/enabling the cube does not "fix" > the issue.) > The relevant part of stacktrace seems to be: > {{Caused by: java.lang.NullPointerException at > org.apache.kylin.stream.core.query.StreamingTupleConverter.<init>(StreamingTupleConverter.java:86)}} > Please see attached full stacktrace. > -- This message was sent by Atlassian Jira (v8.3.4#803005)