Skip to content

fix(a2a): a2a server don't send end event. #2437

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 18, 2025
+10 −3
Merged

fix(a2a): a2a server don't send end event. #2437

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 10 additions & 3 deletions ...aba-a2a-common/src/main/java/com/alibaba/cloud/ai/a2a/route/JsonRpcA2aRouterProvider.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@

import com.alibaba.cloud.ai.a2a.server.JsonRpcA2aRequestHandler;
import io.a2a.spec.JSONRPCResponse;
import io.a2a.spec.TaskStatusUpdateEvent;
import io.a2a.util.Utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand Down Expand Up @@ -61,9 +62,9 @@ public JsonRpcA2aRouterProvider(String wellKnownUrl, String messageUrl) {
@Override
public RouterFunction<ServerResponse> getRouter(JsonRpcA2aRequestHandler a2aRequestHandler) {
return RouterFunctions.route()
.GET(this.wellKnownUrl, new AgentCardHandler(a2aRequestHandler))
.POST(this.messageUrl, new MessageHandler(a2aRequestHandler))
.build();
.GET(this.wellKnownUrl, new AgentCardHandler(a2aRequestHandler))
.POST(this.messageUrl, new MessageHandler(a2aRequestHandler))
.build();
}

private class AgentCardHandler implements HandlerFunction<ServerResponse> {
Expand Down Expand Up @@ -133,6 +134,12 @@ private ServerResponse buildSseResponse(Flux<?> result) {
log.debug("send sse body to agent: {}", sseBody);
}
sseBuilder.data(sseBody);
if (((JSONRPCResponse<?>) o).getResult() instanceof TaskStatusUpdateEvent) {
TaskStatusUpdateEvent event = (TaskStatusUpdateEvent) ((JSONRPCResponse<?>) o).getResult();
if (event.isFinal()) {
sseBuilder.complete();
}
}
}
catch (IOException e) {
sseBuilder.error(e);
Expand Down
Loading