[ 
https://issues.apache.org/jira/browse/HIVE-19130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Thejas M Nair updated HIVE-19130:
---------------------------------
    Description: 
During incremental replication, if we split the events batch as follows, then 
the REPL LOAD on second batch throws NPE.

Batch-1: CREATE_TABLE(t1) -> ADD_PARTITION(t1.p1) -> DROP_PARTITION (t1.p1)

Batch-2: DROP_TABLE(t1) ->  CREATE_TABLE(t1) -> ADD_PARTITION(t1.p1) -> 
DROP_PARTITION (t1.p1)



{code}
2018-04-05 16:20:36,531 ERROR [HiveServer2-Background-Pool: Thread-107044]: 
metadata.Hive (Hive.java:getTable(1219)) - Table catalog_sales_new not found: 
new5_tpcds_real_bin_partitioned_orc_1000.catalog_sales_new table not found
2018-04-05 16:20:36,538 ERROR [HiveServer2-Background-Pool: Thread-107044]: 
exec.DDLTask (DDLTask.java:failed(540)) - 
org.apache.hadoop.hive.ql.metadata.HiveException
        at 
org.apache.hadoop.hive.ql.exec.DDLTask.dropPartitions(DDLTask.java:4016)
        at 
org.apache.hadoop.hive.ql.exec.DDLTask.dropTableOrPartitions(DDLTask.java:3983)
        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:341)
        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:162)
        at 
org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:89)
        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1765)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1506)
        at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1303)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1170)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1165)
        at 
org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:197)
        at 
org.apache.hive.service.cli.operation.SQLOperation.access$300(SQLOperation.java:76)
        at 
org.apache.hive.service.cli.operation.SQLOperation$2$1.run(SQLOperation.java:255)
        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:1869)
        at 
org.apache.hive.service.cli.operation.SQLOperation$2.run(SQLOperation.java:266)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        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)
Caused by: java.lang.NullPointerException
        at 
org.apache.hadoop.hive.ql.metadata.Hive.getPartitionsByExpr(Hive.java:2613)
        at 
org.apache.hadoop.hive.ql.exec.DDLTask.dropPartitions(DDLTask.java:4008)
        ... 23 more
{code}

  was:
During incremental replication, if we split the events batch as follows, then 
the REPL LOAD on second batch throws NPE.

Batch-1: CREATE_TABLE(t1) -> ADD_PARTITION(t1.p1) -> DROP_PARTITION (t1.p1)

Batch-2: DROP_TABLE(t1) ->  CREATE_TABLE(t1) -> ADD_PARTITION(t1.p1) -> 
DROP_PARTITION (t1.p1)


> NPE is thrown when REPL LOAD applied drop partition event.
> ----------------------------------------------------------
>
>                 Key: HIVE-19130
>                 URL: https://issues.apache.org/jira/browse/HIVE-19130
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2, repl
>    Affects Versions: 3.0.0
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>            Priority: Major
>              Labels: DR, Replication, pull-request-available
>             Fix For: 3.1.0
>
>         Attachments: HIVE-19130.01.patch
>
>
> During incremental replication, if we split the events batch as follows, then 
> the REPL LOAD on second batch throws NPE.
> Batch-1: CREATE_TABLE(t1) -> ADD_PARTITION(t1.p1) -> DROP_PARTITION (t1.p1)
> Batch-2: DROP_TABLE(t1) ->  CREATE_TABLE(t1) -> ADD_PARTITION(t1.p1) -> 
> DROP_PARTITION (t1.p1)
> {code}
> 2018-04-05 16:20:36,531 ERROR [HiveServer2-Background-Pool: Thread-107044]: 
> metadata.Hive (Hive.java:getTable(1219)) - Table catalog_sales_new not found: 
> new5_tpcds_real_bin_partitioned_orc_1000.catalog_sales_new table not found
> 2018-04-05 16:20:36,538 ERROR [HiveServer2-Background-Pool: Thread-107044]: 
> exec.DDLTask (DDLTask.java:failed(540)) - 
> org.apache.hadoop.hive.ql.metadata.HiveException
>         at 
> org.apache.hadoop.hive.ql.exec.DDLTask.dropPartitions(DDLTask.java:4016)
>         at 
> org.apache.hadoop.hive.ql.exec.DDLTask.dropTableOrPartitions(DDLTask.java:3983)
>         at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:341)
>         at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:162)
>         at 
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:89)
>         at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1765)
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1506)
>         at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1303)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1170)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1165)
>         at 
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:197)
>         at 
> org.apache.hive.service.cli.operation.SQLOperation.access$300(SQLOperation.java:76)
>         at 
> org.apache.hive.service.cli.operation.SQLOperation$2$1.run(SQLOperation.java:255)
>         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:1869)
>         at 
> org.apache.hive.service.cli.operation.SQLOperation$2.run(SQLOperation.java:266)
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         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)
> Caused by: java.lang.NullPointerException
>         at 
> org.apache.hadoop.hive.ql.metadata.Hive.getPartitionsByExpr(Hive.java:2613)
>         at 
> org.apache.hadoop.hive.ql.exec.DDLTask.dropPartitions(DDLTask.java:4008)
>         ... 23 more
> {code}



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