michael-o commented on a change in pull request #531:
URL: https://github.com/apache/maven/pull/531#discussion_r705751269
##########
File path:
maven-core/src/main/java/org/apache/maven/plugin/version/internal/DefaultPluginVersionResolver.java
##########
@@ -384,6 +401,36 @@ private PluginVersionResult resolveFromProject(
PluginVersionRequest request, Li
return null;
}
+ @SuppressWarnings( "unchecked" )
+ private Map<String, PluginVersionResult> getCache( SessionData data )
+ {
+ Map<String, PluginVersionResult> cache = ( Map<String,
PluginVersionResult> ) data.get( CACHE_KEY );
+ while ( cache == null )
Review comment:
The problem is that this spot is not atomic, is it?
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