default throw ServerCallStreamObserver.setOnCloseHandler (#8564)
diff --git a/stub/src/main/java/io/grpc/stub/ServerCallStreamObserver.java b/stub/src/main/java/io/grpc/stub/ServerCallStreamObserver.java
index e31cae1..8201a23 100644
--- a/stub/src/main/java/io/grpc/stub/ServerCallStreamObserver.java
+++ b/stub/src/main/java/io/grpc/stub/ServerCallStreamObserver.java
@@ -168,5 +168,7 @@
* @param onCloseHandler to execute when the call has been closed cleanly.
*/
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/8467")
- public abstract void setOnCloseHandler(Runnable onCloseHandler);
+ public void setOnCloseHandler(Runnable onCloseHandler) {
+ throw new UnsupportedOperationException();
+ }
}