From ef491f463799bdfd757d563bee145ce52765d3de Mon Sep 17 00:00:00 2001 From: Ravi Prakash Date: Mon, 26 Jun 2017 13:24:27 -0700 Subject: [PATCH] HDFS-11993. Add log info when connect to datanode socket address failed. Contributed by chencan (cherry picked from commit a9d3412b4ce40f5ab5a18756ede7e0606b653171) --- .../src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java index 05b0b67f354..1cd420e74d6 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java @@ -674,8 +674,9 @@ private synchronized DatanodeInfo blockSeekTo(long target) throws IOException { fetchBlockAt(target); } else { connectFailedOnce = true; - DFSClient.LOG.warn("Failed to connect to " + targetAddr + " for block" - + ", add to deadNodes and continue. " + ex, ex); + DFSClient.LOG.warn("Failed to connect to {} for block {}, " + + "add to deadNodes and continue. ", targetAddr, + targetBlock.getBlock(), ex); // Put chosen node into dead list, continue addToDeadNodes(chosenNode); }