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https://issues.apache.org/jira/browse/HIVE-18606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16349633#comment-16349633
]
Eugene Koifman commented on HIVE-18606:
---------------------------------------
yes, you are right. fixed in patch2
> CTAS on empty table throws NPE from org.apache.hadoop.hive.ql.exec.MoveTask
> ---------------------------------------------------------------------------
>
> Key: HIVE-18606
> URL: https://issues.apache.org/jira/browse/HIVE-18606
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Priority: Major
> Attachments: HIVE-18606.01.patch, HIVE-18606.02.patch
>
>
> {noformat}
> @Test
> public void testCtasEmpty() throws Exception {
> MetastoreConf.setBoolVar(hiveConf,
> MetastoreConf.ConfVars.CREATE_TABLES_AS_ACID, true);
> runStatementOnDriver("create table myctas stored as ORC as" +
> " select a, b from " + Table.NONACIDORCTBL);
> List<String> rs = runStatementOnDriver("select ROW__ID, a, b,
> INPUT__FILE__NAME" +
> " from myctas order by ROW__ID");
> }
> {noformat}
> {noformat}
> 2018-02-01T19:08:52,813 INFO [HiveServer2-Background-Pool: Thread-463]:
> metastore.HiveMetaStore (HiveMetaStore.java:logInfo(822)) - 114: Done
> cleaning up thread local RawStore
> 2018-02-01T19:08:52,813 INFO [HiveServer2-Background-Pool: Thread-463]:
> HiveMetaStore.audit (HiveMetaStore.java:logAuditEvent(305)) - ugi=hive
> ip=unknown-ip-addr cmd=Done cleaning up thread local RawStore
> 2018-02-01T19:08:52,815 ERROR [HiveServer2-Background-Pool: Thread-463]:
> exec.Task (SessionState.java:printError(1228)) - Failed with exception null
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.metadata.Hive.moveAcidFiles(Hive.java:3816)
> at org.apache.hadoop.hive.ql.exec.MoveTask.execute(MoveTask.java:298)
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:205)
> at
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:97)
> at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:2267)
> at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1919)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1651)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1395)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1388)
> at
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:253)
> at
> org.apache.hive.service.cli.operation.SQLOperation.access$700(SQLOperation.java:92)
> at
> org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork$1.run(SQLOperation.java:345)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1965)
> at
> org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork.run(SQLOperation.java:358)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> 2018-02-01T19:08:52,815 ERROR [HiveServer2-Background-Pool: Thread-463]:
> ql.Driver (SessionState.java:printError(1228)) - FAILED: Execution Error,
> return code 1 from {noformat}
>
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