fix

Author: trask

instrumentation/ratpack/ratpack-1.4/testing/src/main/java/io/opentelemetry/instrumentation/ratpack/client/AbstractRatpackHttpClientTest.java

@@ -174,8 +174,12 @@ private static Throwable nettyClientSpanErrorMapper(URI uri, Throwable exception
     if (uri.getPath().equals("/read-timeout")) {
       return ReadTimeoutException.INSTANCE;
     }
-    if (isNonRoutableAddress(uri) && exception instanceof ClosedChannelException) {
-      return new PrematureChannelClosureException();
+    if (isNonRoutableAddress(uri)) {
+      Throwable rootCause = unwrapConnectionException(exception);
+      if (rootCause instanceof ClosedChannelException) {
+        return new PrematureChannelClosureException();
+      }
+      return rootCause;
     }
     return exception;
   }
@@ -200,4 +204,15 @@ private static String nettyExpectedClientSpanNameMapper(URI uri, String method)
   private static boolean isNonRoutableAddress(URI uri) {
     return "192.0.2.1".equals(uri.getHost());
   }
+
+  private static Throwable unwrapConnectionException(Throwable exception) {
+    if (exception == null) {
+      return null;
+    }
+    Throwable current = exception;
+    while (current.getCause() != null && current.getCause() != current) {
+      current = current.getCause();
+    }
+    return current;
+  }
 }