1 files changed, 1 insertions, 1 deletions
diff --git a/sca-java-2.x/trunk/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java b/sca-java-2.x/trunk/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java
index 0a68fcca86..47f74720a0 100644
--- a/sca-java-2.x/trunk/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java
+++ b/sca-java-2.x/trunk/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java
@@ -327,7 +327,7 @@ public class JSONRPCServiceServlet extends JSONRPCServlet {
                 result = responseMessage.getBody();
             	return result.toString().getBytes("UTF-8");
             } else {
-                if (jsonOperation.getOutputType().getLogical().get(0) == null) {
+                if (jsonOperation.getOutputType().getLogical().size() == 0) {
                     // void operation (json-rpc notification)
                     try {
                         JSONObject jsonResponse = new JSONObject();