From c2179ba28a54ade2d63c14c3ceb271cb33b8d6f2 Mon Sep 17 00:00:00 2001
From: Kalin Chan <kalin.chan@payara.fish>
Date: Mon, 23 Sep 2024 09:27:28 +0100
Subject: [PATCH] Fix websocket deployment

---
 .../tyrus/servlet/TyrusServletContainerInitializer.java      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusServletContainerInitializer.java b/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusServletContainerInitializer.java
index 75219f69..f09a3707 100755
--- a/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusServletContainerInitializer.java
+++ b/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusServletContainerInitializer.java
@@ -68,6 +68,11 @@ public void onStartup(Set<Class<?>> classes, final ServletContext ctx) throws Se
             return;
         }
 
+        if (ctx.getAttribute(ServerContainer.class.getName()) != null) {
+            // Already initialized
+            return;
+        }
+
         classes.removeAll(FILTERED_CLASSES);
 
         final Integer incomingBufferSize = getIntContextParam(ctx, TyrusHttpUpgradeHandler.FRAME_BUFFER_SIZE);