svn commit: r1497176 - in /hadoop/common/trunk/hadoop-common-project/hadoop-common: CHANGES.txt src/main/java/org/apache/hadoop/net/NetworkTopology.java

[cm...@apache.org]

Author: cmccabe
Date: Thu Jun 27 01:22:43 2013
New Revision: 1497176

URL: http://svn.apache.org/r1497176
Log:
HADOOP-9673. NetworkTopology: When a node cannot be added, print out its location for diagnostic purposes

Modified:
    hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1497176&r1=1497175&r2=1497176&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Thu Jun 27 01:22:43 2013
@@ -303,6 +303,9 @@ Release 2.2.0 - UNRELEASED
     HADOOP-9355.  Abstract symlink tests to use either FileContext or
     FileSystem.  (Andrew Wang via Colin Patrick McCabe)
 
+    HADOOP-9673.  NetworkTopology: when a node can't be added, print out its
+    location for diagnostic purposes.  (Colin Patrick McCabe)
+
   OPTIMIZATIONS
 
   BUG FIXES

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java?rev=1497176&r1=1497175&r2=1497176&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java Thu Jun 27 01:22:43 2013
@@ -396,10 +396,10 @@ public class NetworkTopology {
     netlock.writeLock().lock();
     try {
       if ((depthOfAllLeaves != -1) && (depthOfAllLeaves != newDepth)) {
-        LOG.error("Error: can't add leaf node at depth " +
-            newDepth + " to topology:\n" + oldTopoStr);
-        throw new InvalidTopologyException("Invalid network topology. " +
-            "You cannot have a rack and a non-rack node at the same " +
+        LOG.error("Error: can't add leaf node " + NodeBase.getPath(node) +
+            " at depth " + newDepth + " to topology:\n" + oldTopoStr);
+        throw new InvalidTopologyException("Failed to add " + NodeBase.getPath(node) +
+            ": You cannot have a rack and a non-rack node at the same " +
             "level of the network topology.");
       }
       Node rack = getNodeForNetworkLocation(node);