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Hive QA commented on HIVE-21861: -------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | || || || || {color:brown} master Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m 57s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 6s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 45s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m 4s{color} | {color:blue} ql in master has 2253 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 27s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 7s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 7s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 46s{color} | {color:red} ql: The patch generated 6 new + 454 unchanged - 0 fixed = 460 total (was 454) {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 19s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 0s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 14s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 25m 14s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Optional Tests | asflicense javac javadoc findbugs checkstyle compile | | uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux | | Build tool | maven | | Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-17682/dev-support/hive-personality.sh | | git revision | master / e0853a6 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-17682/yetus/diff-checkstyle-ql.txt | | modules | C: ql U: ql | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-17682/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > 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)