Merge pull request #4618 from aguibert/devmode-no-resources-folder

Avoid walking non-existant path when checking for file changes

Author: gsmet

core/devmode/src/main/java/io/quarkus/dev/RuntimeUpdatesProcessor.java

@@ -298,6 +298,9 @@ private Set<String> checkForFileChange() {
                 continue;
             }
             Path root = Paths.get(rootPath);
+            if (!Files.exists(root) || !Files.isReadable(root)) {
+                continue;
+            }
             Path classesDir = Paths.get(module.getClassesPath());
             //copy all modified non hot deployment files over
             if (doCopy) {