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https://issues.apache.org/jira/browse/HBASE-12811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ashish Singhi updated HBASE-12811:
----------------------------------
Status: Patch Available (was: Open)
> [AccessController] NPE while scan a table with user not having READ
> permission on the namespace
> -----------------------------------------------------------------------------------------------
>
> Key: HBASE-12811
> URL: https://issues.apache.org/jira/browse/HBASE-12811
> Project: HBase
> Issue Type: Bug
> Components: security
> Affects Versions: 0.98.9
> Reporter: Ashish Singhi
> Assignee: Ashish Singhi
> Fix For: 1.0.0, 2.0.0, 0.98.10, 1.1.0
>
> Attachments: HBASE-12811.patch
>
>
> Steps to reproduce
> 1) Grant a group permission(other than READ) on a namespace
> 2) Scan a table in that namespace from a user belonging to that group
> we get the following exception.
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.security.access.TablePermission.implies(TablePermission.java:215)
> at
> org.apache.hadoop.hbase.security.access.TableAuthManager.authorize(TableAuthManager.java:340)
> at
> org.apache.hadoop.hbase.security.access.TableAuthManager.authorize(TableAuthManager.java:332)
> at
> org.apache.hadoop.hbase.security.access.TableAuthManager.authorizeGroup(TableAuthManager.java:473)
> at
> org.apache.hadoop.hbase.security.access.TableAuthManager.authorize(TableAuthManager.java:490)
> at
> org.apache.hadoop.hbase.security.access.TableAuthManager.authorize(TableAuthManager.java:500)
> at
> org.apache.hadoop.hbase.security.access.AccessController.permissionGranted(AccessController.java:415)
> at
> org.apache.hadoop.hbase.security.access.AccessController.permissionGranted(AccessController.java:484)
> at
> org.apache.hadoop.hbase.security.access.AccessController.internalPreRead(AccessController.java:1504)
> at
> org.apache.hadoop.hbase.security.access.AccessController.preScannerOpen(AccessController.java:2027)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.preScannerOpen(RegionCoprocessorHost.java:1987)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3102)
> {noformat}
> *Note:* Line numbers may not match.
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