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Posted to commits@hive.apache.org by ha...@apache.org on 2014/09/01 03:51:03 UTC

svn commit: r1621657 - /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeTask.java

Author: hashutosh
Date: Mon Sep  1 01:51:03 2014
New Revision: 1621657

URL: http://svn.apache.org/r1621657
Log:
HIVE-7599 : NPE in MergeTask#main() when -format is absent (DJ Choi via Ashutosh Chauhan)

Modified:
    hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeTask.java

Modified: hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeTask.java
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeTask.java?rev=1621657&r1=1621656&r2=1621657&view=diff
==============================================================================
--- hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeTask.java (original)
+++ hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeTask.java Mon Sep  1 01:51:03 2014
@@ -373,6 +373,10 @@ public class MergeTask extends Task<Merg
       }
     }
 
+    if (format == null || format.trim().equals("")) {
+      printUsage();
+    }
+    
     MergeWork mergeWork = null;
     if (format.equals("rcfile")) {
       mergeWork = new MergeWork(inputPaths, new Path(outputDir), RCFileInputFormat.class);