Merge pull request #652 from actico/bugfix/#651-fix-npe

#651 fixes NPE in JbossClassLoaderHandler
classgraph · Feb 17, 2022 · 44cb42e · 44cb42e
2 parents f874380 + 7afa63b
commit 44cb42e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/main/java/nonapi/io/github/classgraph/classloaderhandler/JBossClassLoaderHandler.java b/src/main/java/nonapi/io/github/classgraph/classloaderhandler/JBossClassLoaderHandler.java
@@ -31,6 +31,7 @@
 import java.io.File;
 import java.lang.reflect.Array;
 import java.nio.file.Path;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -212,7 +213,9 @@ public static void findClasspathOrder(final ClassLoader classLoader, final Class
         @SuppressWarnings("unchecked")
         final Map<Object, Object> moduleMap = (Map<Object, Object>) ReflectionUtils.getFieldVal(false,
                 callerModuleLoader, "moduleMap");
-        for (final Entry<Object, Object> ent : moduleMap.entrySet()) {
+    Set<Entry<Object, Object>> moduleMapEntries =
+        moduleMap != null ? moduleMap.entrySet() : Collections.<Entry<Object, Object>>emptySet();
+    for (final Entry<Object, Object> ent : moduleMapEntries) {
             // type FutureModule
             final Object val = ent.getValue();
             // type Module