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https://issues.apache.org/jira/browse/IMPALA-8612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16874689#comment-16874689
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ASF subversion and git services commented on IMPALA-8612:
---------------------------------------------------------
Commit e59e9261339a7a353c05548df84ff0d8793b768d in impala's branch
refs/heads/master from Gabor Kaszab
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=e59e926 ]
IMPALA-8612: Fix sporadic NPE when dropping an authorized table
In the analyze() function of DropTableOrViewStmt it's possible that
serverName_ is not set when analyzer.getTable() throws. As a result
when the Catalog executes the drop table DDL it runs into a failing
Precondition check and throws a NullPointerException when updating
user privileges. Note, to run into the NPE it's required to have
authorization enabled.
Change-Id: I70bd7ca4796b24920ee156436bf8bbc682e7d952
Reviewed-on: http://gerrit.cloudera.org:8080/13508
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> NPE when DropTableOrViewStmt analysis leaves serverName_ NULL
> -------------------------------------------------------------
>
> Key: IMPALA-8612
> URL: https://issues.apache.org/jira/browse/IMPALA-8612
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 2.12.0, Impala 3.2.0
> Reporter: Gabor Kaszab
> Assignee: Gabor Kaszab
> Priority: Critical
>
> This line is skipped when analyzer.getTable() throws few lines above:
> https://github.com/apache/impala/blob/cd30949102425e28adadb51232653d910ac8422f/fe/src/main/java/org/apache/impala/analysis/DropTableOrViewStmt.java#L117
> As a result a drop table statement (with permissions ON) can throw
> NullPointerException here:
> https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/authorization/sentry/SentryCatalogdAuthorizationManager.java#L381
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