Fixed the NPE issue.

m0ver · m0ver · commit 109f8f1822c8 · 2026-06-01T23:35:14.000+08:00
diff --git a/src/main/java/org/tinystruct/mcp/MCPApplication.java b/src/main/java/org/tinystruct/mcp/MCPApplication.java
@@ -162,8 +162,10 @@ public void destroy() {
      */
     @Action(value = Endpoints.SSE, mode = Action.Mode.HTTP_GET, description = "Establish SSE connection and return endpoint")
     public Builder handleSseConnect(Request request, Response response) {
-        String conversationId = request.headers().get(Header.value0f(Http.CONVERSATION_ID)).toString();
-        SSEPushManager.getInstance().setIdentifier(conversationId);
+        if (request.headers() != null && request.headers().get(Header.value0f(Http.CONVERSATION_ID)) != null) {
+            String conversationId = request.headers().get(Header.value0f(Http.CONVERSATION_ID)).toString();
+            SSEPushManager.getInstance().setIdentifier(conversationId);
+        }
         Builder initial = new Builder();
         initial.put("type", "connect");
         return initial;
