Prevent potential NPEs in QuarkusClassLoader

- Fixes quarkusio#28098
gastaldi · Sep 20, 2022 · 9bd277d · 9bd277d
1 parent 0212a4c
commit 9bd277d
Showing 1 changed file with 14 additions and 3 deletions.
diff --git a/...ts/bootstrap/core/src/main/java/io/quarkus/bootstrap/classloading/QuarkusClassLoader.java b/...ts/bootstrap/core/src/main/java/io/quarkus/bootstrap/classloading/QuarkusClassLoader.java
@@ -230,11 +230,14 @@ public Enumeration<URL> getResources(String unsanitisedName, boolean parentAlrea
             }
         }
         //TODO: in theory resources could have been added in dev mode
-        //but I don't thing this really matters for this code path
+        //but I don't think this really matters for this code path
         ClassPathElement[] providers = state.loadableResources.get(name);
         if (providers != null) {
             for (ClassPathElement element : providers) {
                 ClassPathResource res = element.getResource(name);
+                if (res == null) {
+                    continue;
+                }
                 //if the requested name ends with a trailing / we make sure
                 //that the resource is a directory, and return a URL that ends with a /
                 //this matches the behaviour of URLClassLoader
@@ -351,7 +354,11 @@ public URL getResource(String unsanitisedName) {
         if (name.endsWith(".class") && !endsWithTrailingSlash) {
             ClassPathElement[] providers = state.loadableResources.get(name);
             if (providers != null) {
-                return providers[0].getResource(name).getUrl();
+                ClassPathResource resource = providers[0].getResource(name);
+                if (resource == null) {
+                    return null;
+                }
+                return resource.getUrl();
             }
         } else {
             for (ClassPathElement i : elements) {
@@ -391,7 +398,11 @@ public InputStream getResourceAsStream(String unsanitisedName) {
         if (name.endsWith(".class")) {
             ClassPathElement[] providers = state.loadableResources.get(name);
             if (providers != null) {
-                return new ByteArrayInputStream(providers[0].getResource(name).getData());
+                ClassPathResource resource = providers[0].getResource(name);
+                if (resource == null) {
+                    return null;
+                }
+                return new ByteArrayInputStream(resource.getData());
             }
         } else {
             for (ClassPathElement i : elements) {