What is setting done to null

Signed-off-by: Emmanuel Hugonnet <[email protected]>

Author: ehsavoie

server-common/src/main/java/io/a2a/server/events/EnhancedRunnable.java

@@ -17,6 +17,9 @@ public void setError(Throwable error) {
 
     public void addDoneCallback(DoneCallback doneCallback) {
         System.out.println("Adding done callback " + doneCallback);
+        if(doneCallback == null) {
+            new RuntimeException("*******************************************************").printStackTrace();
+        }
         doneCallbacks.add(doneCallback);
     }
 

server-common/src/main/java/io/a2a/server/requesthandlers/DefaultRequestHandler.java

@@ -292,7 +292,8 @@ public EventKind onMessageSend(MessageSendParams params, ServerCallContext conte
                     LOGGER.warn(msg, e);
                     throw new InternalError(msg);
                 } catch (java.util.concurrent.ExecutionException e) {
-                    String msg = String.format("Error during task %s execution  %s", taskId, e.getMessage());
+                    String msg = String.format("Error during task %s execution %s", taskId, e.getCause() != null ? e.getCause().getMessage() : e.getMessage());
+                    e.printStackTrace();
                     LOGGER.warn(msg, e.getCause());
                     throw new InternalError(msg);
                 } catch (java.util.concurrent.TimeoutException e) {