7357: Double-Checked Locking in Agent Plugin code

Reviewed-by: jpbempel, hirt
openjdk · Jul 30, 2021 · 70901a3 · 70901a3
1 parent 8a02826
commit 70901a3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...nt/src/main/java/org/openjdk/jmc/console/agent/manager/model/PresetRepositoryFactory.java b/...nt/src/main/java/org/openjdk/jmc/console/agent/manager/model/PresetRepositoryFactory.java
@@ -45,7 +45,7 @@ public class PresetRepositoryFactory {
 	private static final File PRESET_STORAGE_DIR = AgentPlugin.getDefault().getStateLocation().append(".presets") // $NON-NLS-1$
 			.toFile();
 
-	private static PresetRepository singleton;
+	private volatile static PresetRepository singleton;
 
 	public static PresetRepository createSingleton() {
 		if (singleton == null) {