From cb87b063d3c84c420078ee76fb0e4e687376dd82 Mon Sep 17 00:00:00 2001
From: Shinsuke Sugaya <shinsuke@apache.org>
Date: Thu, 27 Jul 2017 17:58:33 +0900
Subject: [PATCH] add log message for CANONICAL

---
 .../codelibs/fess/crawler/transformer/FessXpathTransformer.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/org/codelibs/fess/crawler/transformer/FessXpathTransformer.java b/src/main/java/org/codelibs/fess/crawler/transformer/FessXpathTransformer.java
index af21dce50..6a2b1c4b5 100644
--- a/src/main/java/org/codelibs/fess/crawler/transformer/FessXpathTransformer.java
+++ b/src/main/java/org/codelibs/fess/crawler/transformer/FessXpathTransformer.java
@@ -253,6 +253,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
             if (canonicalUrl != null && !canonicalUrl.equals(responseData.getUrl()) && isValidUrl(canonicalUrl)) {
                 final Set<RequestData> childUrlSet = new HashSet<>();
                 childUrlSet.add(RequestDataBuilder.newRequestData().get().url(canonicalUrl).build());
+                logger.info("CANONICAL: " + responseData.getUrl() + " -> " + canonicalUrl);
                 throw new ChildUrlsException(childUrlSet, this.getClass().getName()
                         + "#putAdditionalData(Map<String, Object>, ResponseData, Document)");
             }