Update TestKitUtils.scala

pjfanning · pjfanning · commit 2e2369b27b71 · 2026-07-15T18:17:52.000+01:00
diff --git a/testkit/src/main/scala/org/apache/pekko/testkit/TestKitUtils.scala b/testkit/src/main/scala/org/apache/pekko/testkit/TestKitUtils.scala
@@ -42,7 +42,8 @@ private[pekko] object TestKitUtils {
     }
 
     val startFrom = classToStartFrom.getName
-    val classes = StackWalker.getInstance().walk(stackWalker)
+    val classes = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE)
+      .walk(stackWalker)
     val filteredStack = classes.iterator
       // drop until we find the first occurrence of classToStartFrom
       .dropWhile(!_.getName.startsWith(startFrom))

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,8 @@ private[pekko] object TestKitUtils {`
`42`	`42`	`}`
`43`	`43`
`44`	`44`	`val startFrom = classToStartFrom.getName`
`45`		`- val classes = StackWalker.getInstance().walk(stackWalker)`
	`45`	`+ val classes = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE)`
	`46`	`+ .walk(stackWalker)`
`46`	`47`	`val filteredStack = classes.iterator`
`47`	`48`	`// drop until we find the first occurrence of classToStartFrom`
`48`	`49`	`.dropWhile(!_.getName.startsWith(startFrom))`