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From "William Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-5101) ScanningResultIterator getScanMetrics throws NPE
Date Thu, 02 May 2019 23:52:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-5101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16832102#comment-16832102
] 

William Shen commented on PHOENIX-5101:
---------------------------------------

[~tdsilva] - awesome work. I've verified that this patch fixes the issue. Thank you for jumping
in here. I've come across those two lines of code numerous time over this past week, but lacked
the domain knowledge to identify that they're not in the right order...

> ScanningResultIterator getScanMetrics throws NPE
> ------------------------------------------------
>
>                 Key: PHOENIX-5101
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5101
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.14.1
>            Reporter: Reid Chan
>            Assignee: Karan Mehta
>            Priority: Blocker
>             Fix For: 4.15.0, 5.1.0, 4.14.2
>
>         Attachments: PHOENIX-5101.414-HBase-1.4.001.patch, PHOENIX-5101.patch
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> {code}
> java.lang.NullPointerException
> 	at org.apache.phoenix.iterate.ScanningResultIterator.getScanMetrics(ScanningResultIterator.java:92)
> 	at org.apache.phoenix.iterate.ScanningResultIterator.close(ScanningResultIterator.java:79)
> 	at org.apache.phoenix.iterate.TableResultIterator.close(TableResultIterator.java:144)
> 	at org.apache.phoenix.iterate.LookAheadResultIterator$1.close(LookAheadResultIterator.java:42)
> 	at org.apache.phoenix.iterate.BaseResultIterators.close(BaseResultIterators.java:1439)
> 	at org.apache.phoenix.iterate.MergeSortResultIterator.close(MergeSortResultIterator.java:44)
> 	at org.apache.phoenix.jdbc.PhoenixResultSet.close(PhoenixResultSet.java:176)
> 	at org.apache.phoenix.jdbc.PhoenixResultSet.next(PhoenixResultSet.java:807)
> 	at org.apache.calcite.avatica.jdbc.JdbcResultSet.frame(JdbcResultSet.java:148)
> 	at org.apache.calcite.avatica.jdbc.JdbcResultSet.create(JdbcResultSet.java:101)
> 	at org.apache.calcite.avatica.jdbc.JdbcResultSet.create(JdbcResultSet.java:81)
> 	at org.apache.calcite.avatica.jdbc.JdbcMeta.prepareAndExecute(JdbcMeta.java:759)
> 	at org.apache.calcite.avatica.remote.LocalService.apply(LocalService.java:206)
> 	at org.apache.calcite.avatica.remote.Service$PrepareAndExecuteRequest.accept(Service.java:927)
> 	at org.apache.calcite.avatica.remote.Service$PrepareAndExecuteRequest.accept(Service.java:879)
> 	at org.apache.calcite.avatica.remote.AbstractHandler.apply(AbstractHandler.java:94)
> 	at org.apache.calcite.avatica.remote.ProtobufHandler.apply(ProtobufHandler.java:46)
> 	at org.apache.calcite.avatica.server.AvaticaProtobufHandler$2.call(AvaticaProtobufHandler.java:123)
> 	at org.apache.calcite.avatica.server.AvaticaProtobufHandler$2.call(AvaticaProtobufHandler.java:121)
> 	at org.apache.phoenix.queryserver.server.QueryServer$PhoenixDoAsCallback$1.run(QueryServer.java:500)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1754)
> 	at org.apache.phoenix.queryserver.server.QueryServer$PhoenixDoAsCallback.doAsRemoteUser(QueryServer.java:497)
> 	at org.apache.calcite.avatica.server.HttpServer$Builder$1.doAsRemoteUser(HttpServer.java:884)
> 	at org.apache.calcite.avatica.server.AvaticaProtobufHandler.handle(AvaticaProtobufHandler.java:120)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:542)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.server.Server.handle(Server.java:499)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
> 	at org.apache.phoenix.shaded.org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}



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