[HBASE-19295] The Configuration returned by CPEnv should be read-only. - ASF JIRA

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Details

Type: Sub-task
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.0.0-beta-1, 2.0.0
Component/s: Coprocessors
Labels:
- incompatible

Hadoop Flags:

Reviewed
Release Note:

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CoprocessorEnvironment#getConfiguration returns a READ-ONLY Configuration. Attempts at altering the returned Configuration -- whether setting or adding resources -- will result in an IllegalStateException warning of the Read-only condition of the returned Configuration.

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CoprocessorEnvironment#getConfiguration returns a READ-ONLY Configuration. Attempts at altering the returned Configuration -- whether setting or adding resources -- will result in an IllegalStateException warning of the Read-only condition of the returned Configuration.

Description

The Configuration a CP gets when it does a getConfiguration on the environment is that of the RegionServer. The CP should not be able to modify this config. We should throw exception if they try to write us.

Ditto w/ the Connection they can get from the env. They should not be able to close it at min.