From fca1d3cf433beccd0741fc3d1fe1d09e8b1374e7 Mon Sep 17 00:00:00 2001
From: Alex Panchenko <440271+panchenko@users.noreply.github.com>
Date: Wed, 12 Mar 2025 10:39:49 +0200
Subject: [PATCH] servlet: set description for CANCELLED status (#11927)

---
 .../src/main/java/io/grpc/servlet/ServletServerStream.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/servlet/src/main/java/io/grpc/servlet/ServletServerStream.java b/servlet/src/main/java/io/grpc/servlet/ServletServerStream.java
index bc367587cc..5dd20567c0 100644
--- a/servlet/src/main/java/io/grpc/servlet/ServletServerStream.java
+++ b/servlet/src/main/java/io/grpc/servlet/ServletServerStream.java
@@ -297,7 +297,9 @@ final class ServletServerStream extends AbstractServerStream {
       }
       transportState.runOnTransportThread(() -> transportState.transportReportStatus(status));
       // There is no way to RST_STREAM with CANCEL code, so write trailers instead
-      close(Status.CANCELLED.withCause(status.asRuntimeException()), new Metadata());
+      close(Status.CANCELLED.withDescription("Servlet stream cancelled")
+              .withCause(status.asRuntimeException()),
+          new Metadata());
       CountDownLatch countDownLatch = new CountDownLatch(1);
       transportState.runOnTransportThread(() -> {
         asyncCtx.complete();