From a49422e13e4b461939bb0ee3db054b38d4a9a3d9 Mon Sep 17 00:00:00 2001
From: Lars Grefer <github@larsgrefer.de>
Date: Thu, 1 Nov 2018 19:33:24 +0100
Subject: [PATCH 1/2] Add test which reproduces #277

---
 .../issues/issue277/Issue227Test.java         | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/test/java/io/github/classgraph/issues/issue277/Issue227Test.java

diff --git a/src/test/java/io/github/classgraph/issues/issue277/Issue227Test.java b/src/test/java/io/github/classgraph/issues/issue277/Issue227Test.java
new file mode 100644
index 000000000..33c29f9dc
--- /dev/null
+++ b/src/test/java/io/github/classgraph/issues/issue277/Issue227Test.java
@@ -0,0 +1,20 @@
+package io.github.classgraph.issues.issue277;
+
+import io.github.classgraph.ClassGraph;
+import org.junit.Test;
+
+/**
+ * https://github.com/classgraph/classgraph/issues/277
+ */
+public class Issue227Test {
+
+    @Test
+    public void testNoArgsBlacklistLibOrExtJars() {
+        new ClassGraph().blacklistLibOrExtJars();
+    }
+
+    @Test
+    public void testNoArgsWhitelistLibOrExtJars() {
+        new ClassGraph().whitelistLibOrExtJars();
+    }
+}

From e5a2ac0c95409880fb1b46e81e683ba1c231554d Mon Sep 17 00:00:00 2001
From: Lars Grefer <github@larsgrefer.de>
Date: Thu, 1 Nov 2018 19:52:21 +0100
Subject: [PATCH 2/2] Align the implementation of blacklistLibOrExtJars with
 the implementation of whitelistLibOrExtJars

fixes #277
---
 src/main/java/io/github/classgraph/ClassGraph.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/io/github/classgraph/ClassGraph.java b/src/main/java/io/github/classgraph/ClassGraph.java
index f8a2e9693..5ac712754 100644
--- a/src/main/java/io/github/classgraph/ClassGraph.java
+++ b/src/main/java/io/github/classgraph/ClassGraph.java
@@ -862,7 +862,7 @@ public ClassGraph blacklistLibOrExtJars(final String... jarLeafNames) {
         if (jarLeafNames.length == 0) {
             // Blacklist all lib or ext jars
             for (final String libOrExtJar : JarUtils.getJreLibOrExtJars()) {
-                blacklistLibOrExtJars(libOrExtJar);
+                blacklistLibOrExtJars(JarUtils.leafName(libOrExtJar));
             }
         } else {
             for (final String jarLeafName : jarLeafNames) {