From 3ac6d19f5649e936732a046b4deda69845924659 Mon Sep 17 00:00:00 2001
From: Fabio Niephaus <fabio.niephaus@oracle.com>
Date: Wed, 18 Oct 2023 17:54:00 +0200
Subject: [PATCH] Improve error message.

Fixes #521
---
 .../buildtools/utils/NativeImageConfigurationUtils.java      | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/native-maven-plugin/src/main/java/org/graalvm/buildtools/utils/NativeImageConfigurationUtils.java b/native-maven-plugin/src/main/java/org/graalvm/buildtools/utils/NativeImageConfigurationUtils.java
index de6cf262e..2dadfedc3 100644
--- a/native-maven-plugin/src/main/java/org/graalvm/buildtools/utils/NativeImageConfigurationUtils.java
+++ b/native-maven-plugin/src/main/java/org/graalvm/buildtools/utils/NativeImageConfigurationUtils.java
@@ -84,14 +84,15 @@ public static Path getJavaHomeNativeImage(String javaHomeVariable, Boolean failF
                     throw new MojoExecutionException("Determining GraalVM installation failed with message: " + e.getMessage());
                 }
             } else if (failFast) {
-                throw new MojoExecutionException("'" + GU_EXE + "' tool was not found. This probably means that JDK at is not a GraalVM distribution.");
+                throw new MojoExecutionException("'" + GU_EXE + "' tool was not found in your " + javaHomeVariable + "." +
+                        "This probably means that the JDK at '" + graalHomePath + "' is not a GraalVM distribution.");
             }
         }
 
         if (!Files.exists(nativeImageExe)) {
             if (failFast) {
                 throw new RuntimeException("native-image is not installed in your " + javaHomeVariable + "." +
-                        "This probably means that JDK at is not a GraalVM distribution.");
+                        "This probably means that the JDK at '" + graalHomePath + "' is not a GraalVM distribution.");
             } else {
                 return null;
             }