HDFS-10831. Add log when URLConnectionFactory.openConnection failed. Contributed by yunjiong zhao.

(cherry picked from commit b07c266dca7f303c793b432a0738d593728cf2b3)
2016-09-08 18:30:18 -07:00 · 2016-09-08 18:30:18 -07:00 · 72ea641468
commit 72ea641468
parent c0756dfef6
1 changed files with 1 additions and 0 deletions
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/URLConnectionFactory.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/URLConnectionFactory.java
@ -183,6 +183,7 @@ public URLConnection openConnection(URL url) throws IOException {
      return openConnection(url, false);
    } catch (AuthenticationException e) {
      // Unreachable
+      LOG.error("Open connection {} failed", url, e);
      return null;
    }
  }