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https://issues.apache.org/jira/browse/HIVE-26601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Work on HIVE-26601 started by Vinit Patni.
------------------------------------------
> Fix NPE encountered in second load cycle of optimised bootstrap
> ----------------------------------------------------------------
>
> Key: HIVE-26601
> URL: https://issues.apache.org/jira/browse/HIVE-26601
> Project: Hive
> Issue Type: Bug
> Reporter: Teddy Choi
> Assignee: Vinit Patni
> Priority: Blocker
>
> After creating reverse replication policy after failover is completed from
> Primary to DR cluster and DR takes over. First dump and load cycle of
> optimised bootstrap is completing successfully, Second dump cycle on DR is
> also completed which does selective bootstrap of tables that it read from
> table_diff directory. However we observed issue with Second load cycle on
> Primary Cluster side which is failing with following exception logs that
> needs to be fixed.
> {code:java}
> [Scheduled Query Executor(schedule:repl_vinreverse, execution_id:421)]:
> Exception while logging metrics
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.hive.ql.parse.repl.metric.ReplicationMetricCollector.reportStageProgress(ReplicationMetricCollector.java:192)
> ~[hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.exec.repl.ReplStateLogWork.replStateLog(ReplStateLogWork.java:145)
> ~[hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.exec.repl.ReplStateLogTask.execute(ReplStateLogTask.java:39)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:213)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:105)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Executor.launchTask(Executor.java:357)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Executor.launchTasks(Executor.java:330)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Executor.runTasks(Executor.java:246)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Executor.execute(Executor.java:109)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:749)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:504)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:498)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:166)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:232)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.scheduled.ScheduledQueryExecutionService$ScheduledQueryExecutor.processQuery(ScheduledQueryExecutionService.java:240)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> org.apache.hadoop.hive.ql.scheduled.ScheduledQueryExecutionService$ScheduledQueryExecutor.run(ScheduledQueryExecutionService.java:193)
> [hive-exec-3.1.3000.7.1.8.0-801.jar:3.1.3000.7.1.8.0-801]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [?:1.8.0_232]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [?:1.8.0_232]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [?:1.8.0_232]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [?:1.8.0_232]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]{code}
>
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