Revert "Merge pull request #22065 from vespa-engine/revert-22049-jonmv/unify-hostname-classes"

This reverts commit 4ffc54339186574491a32b3166223c3fc50ba8fe, reversing
changes made to db9e570a36decb24e6cb13f44bd0ff444ab762e3.

3 files changed, 5 insertions, 7 deletions

diff --git a/config-lib/src/main/java/com/yahoo/config/PathNode.java b/config-lib/src/main/java/com/yahoo/config/PathNode.java
index 03e6fb51086..ea4c657af8c 100644
--- a/config-lib/src/main/java/com/yahoo/config/PathNode.java
+++ b/config-lib/src/main/java/com/yahoo/config/PathNode.java
@@ -25,7 +25,7 @@ public class PathNode extends LeafNode<Path> {
         super(true);
         this.value = Path.of(fileReference.value());
         if (value.normalize().toString().startsWith(".."))
-            throw new IllegalArgumentException("path may not start with '..', but got :" + value);
+            throw new IllegalArgumentException("path may not start with '..', but got: " + value);
         this.fileReference = fileReference;
     }
 
diff --git a/config-lib/src/test/java/com/yahoo/config/FileNodeTest.java b/config-lib/src/test/java/com/yahoo/config/FileNodeTest.java
index 1ad9f722eca..42e4978091d 100644
--- a/config-lib/src/test/java/com/yahoo/config/FileNodeTest.java
+++ b/config-lib/src/test/java/com/yahoo/config/FileNodeTest.java
@@ -23,9 +23,8 @@ public class FileNodeTest {
         assertEquals("foo.txt", n.value().value());
         assertEquals("\"foo.txt\"", n.toString());
 
-        assertThrows("path may not start with '..', but got: foo/../../boo",
-                     IllegalArgumentException.class,
-                     () -> new FileNode("foo/../../boo"));
+        assertEquals("path may not start with '..', but got: foo/../../boo",
+                     assertThrows(IllegalArgumentException.class, () -> new FileNode("foo/../../boo")).getMessage());
     }
 
 }
diff --git a/config-lib/src/test/java/com/yahoo/config/PathNodeTest.java b/config-lib/src/test/java/com/yahoo/config/PathNodeTest.java
index 2240f647726..016c53b42e3 100644
--- a/config-lib/src/test/java/com/yahoo/config/PathNodeTest.java
+++ b/config-lib/src/test/java/com/yahoo/config/PathNodeTest.java
@@ -22,9 +22,8 @@ public class PathNodeTest {
         n = new PathNode(new FileReference("foo.txt"));
         assertEquals(new File("foo.txt").toPath(), n.value());
 
-        assertThrows("path may not start with '..', but got: foo/../../boo",
-                     IllegalArgumentException.class,
-                     () -> new PathNode(new FileReference("foo/../../boo")));
+        assertEquals("path may not start with '..', but got: foo/../../boo",
+                     assertThrows(IllegalArgumentException.class, () -> new PathNode(new FileReference("foo/../../boo"))).getMessage());
     }
 
 }