From af17444a1fdbac1a2d568402690a7f93790d912a Mon Sep 17 00:00:00 2001
From: Stuart Douglas <stuart.w.douglas@gmail.com>
Date: Tue, 14 Sep 2021 10:37:14 +1000
Subject: [PATCH] Fix deadlock on write

---
 .../java/io/quarkus/deployment/console/AeshConsole.java     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/console/AeshConsole.java b/core/deployment/src/main/java/io/quarkus/deployment/console/AeshConsole.java
index d438f50734ba0..268302a729d4f 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/console/AeshConsole.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/console/AeshConsole.java
@@ -320,10 +320,10 @@ public void write(boolean errorStream, String s) {
         }
 
         StringBuilder buffer = new StringBuilder();
+        if (!shouldWrite(errorStream, s)) {
+            return;
+        }
         synchronized (this) {
-            if (!shouldWrite(errorStream, s)) {
-                return;
-            }
             if (totalStatusLines == 0) {
                 bottomBlankSpace = 0; //just to be safe, will only happen if status is added then removed, which is not really likely
                 writeQueue.add(s);