MAPREDUCE-5006. Fix failing streaming tests due to MAPREDUCE-4994. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1461537 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -110,6 +110,9 @@ Release 2.0.5-beta - UNRELEASED
     MAPREDUCE-3757. [Rumen] Fixed Rumen Folder to adjust shuffleFinished and
     sortFinished times when needed. (Ravi Gummadi via tgraves)
 
+    MAPREDUCE-5006. Fix failing streaming tests due to MAPREDUCE-4994.
+    (Sandy Ryza via tomwhite)
+
 Release 2.0.4-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapred/LocalClientProtocolProvider.java

@@ -37,9 +37,7 @@ public class LocalClientProtocolProvider extends ClientProtocolProvider {
     if (!MRConfig.LOCAL_FRAMEWORK_NAME.equals(framework)) {
       return null;
     }
-    if (conf.get("mapreduce.job.maps") == null) {
-      conf.setInt("mapreduce.job.maps", 1);
-    }
+    conf.setInt(JobContext.NUM_MAPS, 1);
 
     return new LocalJobRunner(conf);
   }

hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestStreamReduceNone.java

@@ -68,6 +68,7 @@ public class TestStreamReduceNone
       "-reducer", "org.apache.hadoop.mapred.lib.IdentityReducer",
       "-numReduceTasks", "0",
       "-jobconf", "mapreduce.task.files.preserve.failedtasks=true",
+      "-jobconf", "mapreduce.job.maps=1",
       "-jobconf", "stream.tmpdir="+System.getProperty("test.build.data","/tmp")
     };
   }

hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestStreamXmlRecordReader.java

@@ -54,6 +54,8 @@ public class TestStreamXmlRecordReader extends TestStreaming {
   protected String[] genArgs() {
     args.add("-inputreader");
     args.add("StreamXmlRecordReader,begin=<xmltag>,end=</xmltag>");
+    args.add("-jobconf");
+    args.add("mapreduce.job.maps=1");
     return super.genArgs();
   }
 }