Yongzhi Chen created HIVE-10646:
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Summary: 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
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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