From 69fe37a007045c3a3cf3b2b410e1ad14717fdb76 Mon Sep 17 00:00:00 2001
From: Todd Lipcon <todd@apache.org>
Date: Mon, 7 Mar 2011 03:44:30 +0000
Subject: [PATCH] HADOOP-7159. RPC server should log the client hostname when
 read exception happened. Contributed by Scott Chen.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1078669 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES.txt                                | 3 +++
 src/java/org/apache/hadoop/ipc/Server.java | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index 65283af5abd..ad5a7799ac2 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -66,6 +66,9 @@ Trunk (unreleased changes)
     HADOOP-7114. FsShell should dump all exceptions at DEBUG level.
     (todd via tomwhite)
 
+    HADOOP-7159. RPC server should log the client hostname when read exception
+    happened. (Scott Chen via todd)
+
   OPTIMIZATIONS
 
   BUG FIXES
diff --git a/src/java/org/apache/hadoop/ipc/Server.java b/src/java/org/apache/hadoop/ipc/Server.java
index 3dbeb02aedd..955b1d62260 100644
--- a/src/java/org/apache/hadoop/ipc/Server.java
+++ b/src/java/org/apache/hadoop/ipc/Server.java
@@ -559,7 +559,9 @@ public abstract class Server {
         LOG.info(getName() + ": readAndProcess caught InterruptedException", ieo);
         throw ieo;
       } catch (Exception e) {
-        LOG.info(getName() + ": readAndProcess threw exception " + e + ". Count of bytes read: " + count, e);
+        LOG.info(getName() + ": readAndProcess threw exception " + e +
+            " from client " + c.getHostAddress() +
+            ". Count of bytes read: " + count, e);
         count = -1; //so that the (count < 0) block is executed
       }
       if (count < 0) {