Alexander created KYLIN-4803: -------------------------------- Summary: Hive Global Dictionary - TopNMeasureType NullPointerException Key: KYLIN-4803 URL: https://issues.apache.org/jira/browse/KYLIN-4803 Project: Kylin Issue Type: Bug Affects Versions: v3.1.1 Reporter: Alexander
I've read wiki article, and succesfully test it on count_distinct(bitmap)I've read wiki article, and succesfully test it on count_distinct(bitmap). When add measure like TOP_N, and have the same column. i.e. a. Measure BUYER_CNT_HLL - COUNT_DISTINCT Value:KYLIN_SALES.BUYER_ID, Type:column bitmap b. Measure TOP_SELLER - TOP_N SUM|ORDER BY:KYLIN_SALES.PRICE Group By:KYLIN_SALES.BUYER_ID topn(100,4) Then exception on step - Build Cube with Spark araise: {code:java} 20/10/30 07:33:11 ERROR executor.Executor: Exception in task 1.0 in stage 0.0 (TID 1)20/10/30 07:33:11 ERROR executor.Executor: Exception in task 1.0 in stage 0.0 (TID 1)java.lang.NullPointerException at org.apache.kylin.dimension.DictionaryDimEnc.<init>(DictionaryDimEnc.java:63) at org.apache.kylin.dimension.DictionaryDimEnc.<init>(DictionaryDimEnc.java:58) at org.apache.kylin.measure.topn.TopNMeasureType.getDimensionEncodings(TopNMeasureType.java:535) at org.apache.kylin.measure.topn.TopNMeasureType.access$200(TopNMeasureType.java:58) at org.apache.kylin.measure.topn.TopNMeasureType$1.valueOf(TopNMeasureType.java:146) at org.apache.kylin.measure.topn.TopNMeasureType$1.valueOf(TopNMeasureType.java:127) at org.apache.kylin.engine.mr.common.BaseCuboidBuilder.buildValueObjects(BaseCuboidBuilder.java:118) {code} It's because there is no dictionary for BUYER_ID In log file i see: Enable hive global dictionary for DEFAULT.KYLIN_SALES.BUYER_ID But in fact, TopNMeasureType: dictionaryMap do not have DEFAULT.KYLIN_SALES.BUYER_ID -- This message was sent by Atlassian Jira (v8.3.4#803005)