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Hive QA commented on HIVE-21861: -------------------------------- Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/12972405/HIVE-21861.patch {color:red}ERROR:{color} -1 due to no test(s) being added or modified. {color:green}SUCCESS:{color} +1 due to 16173 tests passed Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/17682/testReport Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/17682/console Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-17682/ Messages: {noformat} Executing org.apache.hive.ptest.execution.TestCheckPhase Executing org.apache.hive.ptest.execution.PrepPhase Executing org.apache.hive.ptest.execution.YetusPhase Executing org.apache.hive.ptest.execution.ExecutionPhase Executing org.apache.hive.ptest.execution.ReportingPhase {noformat} This message is automatically generated. ATTACHMENT ID: 12972405 - PreCommit-HIVE-Build > ClassCastException during CTAS over external table using KafkaStorageHandler > ---------------------------------------------------------------------------- > > Key: HIVE-21861 > URL: https://issues.apache.org/jira/browse/HIVE-21861 > Project: Hive > Issue Type: Bug > Components: kafka integration > Affects Versions: 4.0.0 > Reporter: Justin Leet > Assignee: Rajkumar Singh > Priority: Major > Attachments: HIVE-21861.patch > > > To reproduce, create a table similar to the following: > {code} > CREATE EXTERNAL TABLE <table> > (raw_value STRING) > ROW FORMAT DELIMITED > LINES TERMINATED BY '\n' > STORED BY 'org.apache.hadoop.hive.kafka.KafkaStorageHandler' > TBLPROPERTIES( > "kafka.topic"="<kafka_topic>", > "kafka.bootstrap.servers"="<bootstrap_servers>", > "kafka.consumer.security.protocol"="PLAINTEXT", > "kafka.serde.class"="org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe"); > {code} > Note the SerDe isn't the default SerDe. Additionally, this error occurs when > vectorization is enabled. > Basic queries work fine: > {code} > SELECT * FROM <table> LIMIT 1; > {code} > Doing a CTAS to bring it into a managed table fails: > {code} > CREATE TABLE <managed_table> AS > SELECT * FROM <table>; > {code} > The exception is: > {code} > Caused by: java.lang.ClassCastException: > org.apache.hadoop.hive.serde2.lazy.LazyString cannot be cast to > org.apache.hadoop.io.TextCaused by: java.lang.ClassCastException: > org.apache.hadoop.hive.serde2.lazy.LazyString cannot be cast to > org.apache.hadoop.io.Text at > org.apache.hadoop.hive.ql.exec.vector.VectorAssignRow.assignRowColumn(VectorAssignRow.java:471) > at > org.apache.hadoop.hive.ql.exec.vector.VectorAssignRow.assignRowColumn(VectorAssignRow.java:350) > at > org.apache.hadoop.hive.kafka.VectorizedKafkaRecordReader.readNextBatch(VectorizedKafkaRecordReader.java:159) > at > org.apache.hadoop.hive.kafka.VectorizedKafkaRecordReader.next(VectorizedKafkaRecordReader.java:113) > at > org.apache.hadoop.hive.kafka.VectorizedKafkaRecordReader.next(VectorizedKafkaRecordReader.java:47) > at > org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:360) > ... 24 more > {code} > A workaround to this is to disable vectorization via: > {code} > set hive.vectorized.execution.enabled = false; > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)