Fix concurrency issue when creating PomModel (#4609) (#4631)

Co-authored-by: David Burström <davidburstrom@spotify.com>
detekt · Mar 18, 2022 · 5325fd0 · 5325fd0
1 parent 8bb4c85
commit 5325fd0
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/detekt-parser/src/main/kotlin/io/github/detekt/parser/DetektPomModel.kt b/detekt-parser/src/main/kotlin/io/github/detekt/parser/DetektPomModel.kt
@@ -23,8 +23,15 @@ class DetektPomModel(project: Project) : UserDataHolderBase(), PomModel {
         val extensionClass = TreeCopyHandler::class.java.name
         @Suppress("DEPRECATION")
         for (extensionArea in listOf(project.extensionArea, getRootArea())) {
-            if (!extensionArea.hasExtensionPoint(extension)) {
-                extensionArea.registerExtensionPoint(extension, extensionClass, ExtensionPoint.Kind.INTERFACE)
+            // Addresses https://github.com/detekt/detekt/issues/4609
+            synchronized(extensionArea) {
+                if (!extensionArea.hasExtensionPoint(extension)) {
+                    extensionArea.registerExtensionPoint(
+                        extension,
+                        extensionClass,
+                        ExtensionPoint.Kind.INTERFACE
+                    )
+                }
             }
         }
     }