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Posted to common-commits@hadoop.apache.org by bo...@apache.org on 2012/11/12 23:43:08 UTC

svn commit: r1408488 - in /hadoop/common/trunk/hadoop-tools/hadoop-distcp/src: main/java/org/apache/hadoop/tools/DistCpOptions.java test/java/org/apache/hadoop/tools/TestOptionsParser.java

Author: bobby
Date: Mon Nov 12 22:43:07 2012
New Revision: 1408488

URL: http://svn.apache.org/viewvc?rev=1408488&view=rev
Log:
HADOOP-9022. Hadoop distcp tool fails to copy file if -m 0 specified (Jonathan Eagles vai bobby)

Modified:
    hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java
    hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java

Modified: hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java?rev=1408488&r1=1408487&r2=1408488&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java (original)
+++ hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java Mon Nov 12 22:43:07 2012
@@ -274,7 +274,7 @@ public class DistCpOptions {
    * @param maxMaps - Number of maps
    */
   public void setMaxMaps(int maxMaps) {
-    this.maxMaps = maxMaps;
+    this.maxMaps = Math.max(maxMaps, 1);
   }
 
   /** Get the map bandwidth in MB

Modified: hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java?rev=1408488&r1=1408487&r2=1408488&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java (original)
+++ hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java Mon Nov 12 22:43:07 2012
@@ -275,6 +275,13 @@ public class TestOptionsParser {
         "hdfs://localhost:8020/target/"});
     Assert.assertEquals(options.getMaxMaps(), 1);
 
+    options = OptionsParser.parse(new String[] {
+        "-m",
+        "0",
+        "hdfs://localhost:8020/source/first",
+        "hdfs://localhost:8020/target/"});
+    Assert.assertEquals(options.getMaxMaps(), 1);
+
     try {
       OptionsParser.parse(new String[] {
           "-m",