Jason Lowe created YARN-7576:
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Summary: Findbug warning for Resource exposing internal
representation
Key: YARN-7576
URL: https://issues.apache.org/jira/browse/YARN-7576
Project: Hadoop YARN
Issue Type: Bug
Components: api
Affects Versions: 3.0.0
Reporter: Jason Lowe
Precommit builds are complaining about a findbugs warning:
{noformat}
EI org.apache.hadoop.yarn.api.records.Resource.getResources() may expose
internal representation by returning Resource.resources
Bug type EI_EXPOSE_REP (click for details)
In class org.apache.hadoop.yarn.api.records.Resource
In method org.apache.hadoop.yarn.api.records.Resource.getResources()
Field org.apache.hadoop.yarn.api.records.Resource.resources
At Resource.java:[line 213]
Returning a reference to a mutable object value stored in one of the object's
fields exposes the internal representation of the object. If instances are
accessed by untrusted code, and unchecked changes to the mutable object would
compromise security or other important properties, you will need to do
something different. Returning a new copy of the object is better approach in
many situations.
{noformat}
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