Carter Kozak created HTTPCLIENT-2148:
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Summary: fluent Executor volatile access allows NPEs
Key: HTTPCLIENT-2148
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2148
Project: HttpComponents HttpClient
Issue Type: Bug
Components: Fluent HC
Reporter: Carter Kozak
Assignee: Carter Kozak
The {{org.apache.hc.client5.http.fluent.Executor}} class checks volatile fields
for null before loading them a second time for execution. If the field is
updated to null at runtime, this can result in a NPE.
Even when this doesn't result in failures, it's better for performance if we
can use a single volatile load rather than two.
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