issue report with composite method invocation

core/runtime/src/test/java/org/apache/polygene/runtime/composite/CompositeMethodInvocationTest.java

diff --git a/core/runtime/src/test/java/org/apache/polygene/runtime/composite/CompositeMethodInvocationTest.java b/core/runtime/src/test/java/org/apache/polygene/runtime/composite/CompositeMethodInvocationTest.java
new file mode 100644
index 0000000..44d4ea3
--- /dev/null
+++ b/core/runtime/src/test/java/org/apache/polygene/runtime/composite/CompositeMethodInvocationTest.java
@@ -0,0 +1,55 @@
+package org.apache.polygene.runtime.composite;
+
+import org.apache.polygene.api.injection.scope.Service;
+import org.apache.polygene.api.mixin.Mixins;
+import org.apache.polygene.api.service.ServiceComposite;
+import org.apache.polygene.bootstrap.AssemblyException;
+import org.apache.polygene.bootstrap.ModuleAssembly;
+import org.apache.polygene.test.AbstractPolygeneTest;
+import org.junit.jupiter.api.Test;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+public class CompositeMethodInvocationTest extends AbstractPolygeneTest {
+
+    @Service
+    MyService srv;
+
+    /**
+     * To correct, change instance pool type in CompositeMethodModel
+     * AtomicInstancePool -> SynchronizedCompositeMethodInstancePool
+     */
+    @Test
+    public void corruptedMethodInvocation() throws InterruptedException {
+        srv.dummy(); // to avoid concurrent activation (it can have own issues)
+
+        ExecutorService exe = Executors.newFixedThreadPool(10);
+        for (int i = 0; i < 10; i++) {
+            exe.execute(() -> {
+                while (true) {
+                    srv.dummy();
+                }
+            });
+        }
+        exe.awaitTermination(10, TimeUnit.MINUTES);
+    }
+
+    @Override
+    public void assemble(ModuleAssembly module) throws AssemblyException {
+        module.services(MyService.class);
+    }
+
+    @Mixins(Impl.class)
+    public interface MyService extends ServiceComposite {
+        void dummy();
+    }
+
+    public abstract static class Impl implements MyService {
+        @Override
+        public void dummy() {
+        }
+    }
+
+}