From 03bd32ed4319b3abf8f74ee378ff27e5f48840ac Mon Sep 17 00:00:00 2001
From: Georgios Andrianakis <geoand@gmail.com>
Date: Wed, 20 Jan 2021 16:03:13 +0200
Subject: [PATCH] Ensure that dev mode debug host can be configured with
 -DdebugHost

Fixes: #14403
---
 .../io/quarkus/deployment/dev/QuarkusDevModeLauncher.java     | 4 +++-
 devtools/maven/src/main/java/io/quarkus/maven/DevMojo.java    | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/dev/QuarkusDevModeLauncher.java b/core/deployment/src/main/java/io/quarkus/deployment/dev/QuarkusDevModeLauncher.java
index 83350b5670bd1..b30ac9fac979a 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/dev/QuarkusDevModeLauncher.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/dev/QuarkusDevModeLauncher.java
@@ -231,7 +231,9 @@ public B classpathEntry(File f) {
         }
 
         public B debugHost(String host) {
-            debugHost = host;
+            if ((null != host) && !host.isEmpty()) {
+                debugHost = host;
+            }
             return (B) this;
         }
 
diff --git a/devtools/maven/src/main/java/io/quarkus/maven/DevMojo.java b/devtools/maven/src/main/java/io/quarkus/maven/DevMojo.java
index 8b48334efcac3..f633909c82d7a 100644
--- a/devtools/maven/src/main/java/io/quarkus/maven/DevMojo.java
+++ b/devtools/maven/src/main/java/io/quarkus/maven/DevMojo.java
@@ -186,7 +186,7 @@ public class DevMojo extends AbstractMojo {
     @Parameter(defaultValue = "${suspend}")
     private String suspend;
 
-    @Parameter(defaultValue = "localhost")
+    @Parameter(defaultValue = "${debugHost}")
     private String debugHost;
 
     @Parameter(defaultValue = "${project.build.directory}")