diff --git a/truffle/src/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/polyglot/PolyglotThreadNotificationsTest.java b/truffle/src/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/polyglot/PolyglotThreadNotificationsTest.java
index 7d8b400f9296..fc4d5844f3b2 100644
--- a/truffle/src/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/polyglot/PolyglotThreadNotificationsTest.java
+++ b/truffle/src/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/polyglot/PolyglotThreadNotificationsTest.java
@@ -591,9 +591,6 @@ protected boolean isThreadAccessAllowed(Thread thread, boolean singleThreaded) {
 
     @Test
     public void testThreadNotificationError() throws IOException {
-        // TODO GR-44560
-        TruffleTestAssumptions.assumeWeakEncapsulation();
-
         try (ByteArrayOutputStream errorOutput = new ByteArrayOutputStream(); Context ctx = Context.newBuilder().allowCreateThread(true).err(errorOutput).build()) {
             AbstractExecutableTestLanguage.evalTestLanguage(ctx, ThreadNotificationErrorTestLanguage.class, "1", "throwBefore");
             AbstractExecutableTestLanguage.evalTestLanguage(ctx, ThreadNotificationErrorTestLanguage.class, "2", "throwAfter");
diff --git a/truffle/src/com.oracle.truffle.polyglot/src/com/oracle/truffle/polyglot/PolyglotLanguageContext.java b/truffle/src/com.oracle.truffle.polyglot/src/com/oracle/truffle/polyglot/PolyglotLanguageContext.java
index 4dd8670fc6b6..0947a18c402b 100644
--- a/truffle/src/com.oracle.truffle.polyglot/src/com/oracle/truffle/polyglot/PolyglotLanguageContext.java
+++ b/truffle/src/com.oracle.truffle.polyglot/src/com/oracle/truffle/polyglot/PolyglotLanguageContext.java
@@ -56,6 +56,7 @@
 import java.util.Set;
 import java.util.logging.Level;
 
+import org.graalvm.polyglot.impl.AbstractPolyglotImpl;
 import org.graalvm.polyglot.impl.AbstractPolyglotImpl.APIAccess;
 
 import com.oracle.truffle.api.CallTarget;
@@ -1010,12 +1011,13 @@ public String toString() {
 
     private class PolyglotUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {
 
+        @SuppressWarnings({"unused", "try"})
         @Override
         public void uncaughtException(Thread t, Throwable e) {
             if (!(e instanceof ThreadDeath)) {
                 Env currentEnv = env;
                 if (currentEnv != null) {
-                    try {
+                    try (AbstractPolyglotImpl.ThreadScope scope = PolyglotLanguageContext.this.getImpl().getRootImpl().createThreadScope()) {
                         e.printStackTrace(new PrintStream(currentEnv.err()));
                     } catch (Throwable exc) {
                         // Still show the original error if printing on Env.err() fails for some