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From sur...@apache.org
Subject svn commit: r1125170 - in /hadoop/common/branches/branch-0.20-security: CHANGES.txt src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
Date Thu, 19 May 2011 23:11:14 GMT
Author: suresh
Date: Thu May 19 23:11:14 2011
New Revision: 1125170

URL: http://svn.apache.org/viewvc?rev=1125170&view=rev
Log:
HDFS-1906. Remove logging exception stack trace in client logs (Porting change from trunk)

Modified:
    hadoop/common/branches/branch-0.20-security/CHANGES.txt
    hadoop/common/branches/branch-0.20-security/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java

Modified: hadoop/common/branches/branch-0.20-security/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security/CHANGES.txt?rev=1125170&r1=1125169&r2=1125170&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20-security/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.20-security/CHANGES.txt Thu May 19 23:11:14 2011
@@ -26,6 +26,10 @@ Release 0.20.205.0 - unreleased
 
     HADOOP-7272. Remove unnecessary security related info logs. (suresh)
 
+    HDFS-1906. Remove logging exception stack trace in client logs when one of
+    the datanode targets to read from is not reachable. (suresh)
+
+
 Release 0.20.204.0 - unreleased
 
   BUG FIXES

Modified: hadoop/common/branches/branch-0.20-security/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java?rev=1125170&r1=1125169&r2=1125170&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20-security/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
(original)
+++ hadoop/common/branches/branch-0.20-security/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
Thu May 19 23:11:14 2011
@@ -1783,8 +1783,11 @@ public class DFSClient implements FSCons
             refetchToken--;
             fetchBlockAt(target);
           } else {
-            LOG.info("Failed to connect to " + targetAddr
-                + ", add to deadNodes and continue", ex);
+            LOG.warn("Failed to connect to " + targetAddr
+                + ", add to deadNodes and continue" + ex);
+            if (LOG.isDebugEnabled()) {
+              LOG.debug("Connection failure", ex);
+            }
             // Put chosen node into dead list, continue
             addToDeadNodes(chosenNode);
           }
@@ -2016,8 +2019,10 @@ public class DFSClient implements FSCons
             continue;
           } else {
             LOG.warn("Failed to connect to " + targetAddr + " for file " + src
-                + " for block " + block.getBlock() + ":"
-                + StringUtils.stringifyException(e));
+                + " for block " + block.getBlock() + ":" + e);
+            if (LOG.isDebugEnabled()) {
+              LOG.debug("Connection failure ", e);
+            }
           }
         } finally {
           IOUtils.closeStream(reader);



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