1 files changed, 2 insertions, 1 deletions
diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java
index 49de13cddf..ea9aec5238 100644
--- a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java
@@ -292,7 +292,8 @@ public class JavaComponentContextProvider {
         Class<?> implClass = instanceFactoryProvider.getImplementationClass();
 
         Method method = JavaInterfaceUtil.findMethod(implClass, operation);
-        if( ((JavaOperation) operation).isAsyncServer() ) {
+        if (operation instanceof JavaOperation &&
+            ((JavaOperation) operation).isAsyncServer() ) {
         	return new JavaAsyncImplementationInvoker(operation, method, component);
         } else {
         	return new JavaImplementationInvoker(operation, method, component);