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https://issues.apache.org/jira/browse/HIVE-10646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14533476#comment-14533476
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Szehon Ho commented on HIVE-10646:
----------------------------------
Nice catch, +1
> ColumnValue does not handle NULL_TYPE
> -------------------------------------
>
> Key: HIVE-10646
> URL: https://issues.apache.org/jira/browse/HIVE-10646
> Project: Hive
> Issue Type: Bug
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Attachments: HIVE-10646.1.patch
>
>
> This will cause NPE if the thrift client use protocol V5 or older:
> {noformat}
> 1:46:07.199 PM ERROR org.apache.thrift.server.TThreadPoolServer
> Error occurred during processing of message.
> java.lang.NullPointerException
> at
> org.apache.hive.service.cli.thrift.TRow$TRowStandardScheme.write(TRow.java:388)
> at
> org.apache.hive.service.cli.thrift.TRow$TRowStandardScheme.write(TRow.java:338)
> at org.apache.hive.service.cli.thrift.TRow.write(TRow.java:288)
> at
> org.apache.hive.service.cli.thrift.TRowSet$TRowSetStandardScheme.write(TRowSet.java:605)
> at
> org.apache.hive.service.cli.thrift.TRowSet$TRowSetStandardScheme.write(TRowSet.java:525)
> at org.apache.hive.service.cli.thrift.TRowSet.write(TRowSet.java:455)
> at
> org.apache.hive.service.cli.thrift.TFetchResultsResp$TFetchResultsRespStandardScheme.write(TFetchResultsResp.java:550)
> at
> org.apache.hive.service.cli.thrift.TFetchResultsResp$TFetchResultsRespStandardScheme.write(TFetchResultsResp.java:486)
> at
> org.apache.hive.service.cli.thrift.TFetchResultsResp.write(TFetchResultsResp.java:412)
> at
> org.apache.hive.service.cli.thrift.TCLIService$FetchResults_result$FetchResults_resultStandardScheme.write(TCLIService.java:13272)
> at
> org.apache.hive.service.cli.thrift.TCLIService$FetchResults_result$FetchResults_resultStandardScheme.write(TCLIService.java:13236)
> at
> org.apache.hive.service.cli.thrift.TCLIService$FetchResults_result.write(TCLIService.java:13187)
> at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:53)
> at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
> at
> org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge20S.java:677)
> at
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Reproduce: Run: select NULL as col, * from jsmall limit 5; from a V5 client
> (for example some version of Hue).
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