From fe791f6116d838179b25da63b9f0ee3b2db94731 Mon Sep 17 00:00:00 2001
From: Nate Bauernfeind <natebauernfeind@deephaven.io>
Date: Thu, 10 Aug 2023 14:57:29 -0600
Subject: [PATCH] Catch ISE When Servlet Writer is Flushed (#4301)

---
 .../main/java/io/grpc/servlet/jakarta/ServletServerStream.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grpc-java/grpc-servlet-jakarta/src/main/java/io/grpc/servlet/jakarta/ServletServerStream.java b/grpc-java/grpc-servlet-jakarta/src/main/java/io/grpc/servlet/jakarta/ServletServerStream.java
index fc0d3b0158a..cd04cf3b41e 100644
--- a/grpc-java/grpc-servlet-jakarta/src/main/java/io/grpc/servlet/jakarta/ServletServerStream.java
+++ b/grpc-java/grpc-servlet-jakarta/src/main/java/io/grpc/servlet/jakarta/ServletServerStream.java
@@ -233,7 +233,7 @@ public void writeHeaders(Metadata headers) {
             }
             try {
                 writer.flush();
-            } catch (IOException e) {
+            } catch (IllegalStateException | IOException e) {
                 logger.log(WARNING, String.format("[{%s}] Exception when flushBuffer", logId), e);
                 cancel(Status.fromThrowable(e));
             }