Author: daryn
Date: Thu Dec  5 15:51:28 2013
New Revision: 1548176

URL: http://svn.apache.org/r1548176
Log:
svn merge -c 1548175 FIXES: HADOOP-10129. Distcp may succeed when it fails 
(daryn)

Added:
    
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestRetriableFileCopyCommand.java
      - copied unchanged from r1548175, 
hadoop/common/trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestRetriableFileCopyCommand.java
Modified:
    hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/pom.xml
    
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java
    
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java
    
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java

Modified: hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/pom.xml
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/pom.xml?rev=1548176&r1=1548175&r2=1548176&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/pom.xml 
(original)
+++ hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/pom.xml Thu Dec  
5 15:51:28 2013
@@ -95,6 +95,11 @@
       <scope>test</scope>
       <type>test-jar</type>
     </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-all</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>

Modified: 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java?rev=1548176&r1=1548175&r2=1548176&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java
 Thu Dec  5 15:51:28 2013
@@ -32,6 +32,8 @@ import org.apache.hadoop.tools.util.Dist
 import org.apache.hadoop.mapreduce.security.TokenCache;
 import org.apache.hadoop.security.Credentials;
 
+import com.google.common.annotations.VisibleForTesting;
+
 import java.io.*;
 import java.util.Stack;
 
@@ -107,12 +109,13 @@ public class SimpleCopyListing extends C
   /** {@inheritDoc} */
   @Override
   public void doBuildListing(Path pathToListingFile, DistCpOptions options) 
throws IOException {
-
-    SequenceFile.Writer fileListWriter = null;
-
+    doBuildListing(getWriter(pathToListingFile), options);
+  }
+  
+  @VisibleForTesting
+  public void doBuildListing(SequenceFile.Writer fileListWriter,
+      DistCpOptions options) throws IOException {
     try {
-      fileListWriter = getWriter(pathToListingFile);
-
       for (Path path: options.getSourcePaths()) {
         FileSystem sourceFS = path.getFileSystem(getConf());
         path = makeQualified(path);
@@ -140,8 +143,10 @@ public class SimpleCopyListing extends C
           writeToFileListing(fileListWriter, rootStatus, sourcePathRoot, 
localFile);
         }
       }
+      fileListWriter.close();
+      fileListWriter = null;
     } finally {
-      IOUtils.closeStream(fileListWriter);
+      IOUtils.cleanup(LOG, fileListWriter);
     }
   }
 

Modified: 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java?rev=1548176&r1=1548175&r2=1548176&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java
 Thu Dec  5 15:51:28 2013
@@ -30,6 +30,8 @@ import org.apache.hadoop.io.IOUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import com.google.common.annotations.VisibleForTesting;
+
 import java.io.*;
 import java.util.EnumSet;
 
@@ -176,7 +178,8 @@ public class RetriableFileCopyCommand ex
     return new Path(root, ".distcp.tmp." + 
context.getTaskAttemptID().toString());
   }
 
-  private long copyBytes(FileStatus sourceFileStatus, OutputStream outStream,
+  @VisibleForTesting
+  long copyBytes(FileStatus sourceFileStatus, OutputStream outStream,
                          int bufferSize, Mapper.Context context)
       throws IOException {
     Path source = sourceFileStatus.getPath();
@@ -193,6 +196,8 @@ public class RetriableFileCopyCommand ex
         updateContextStatus(totalBytesRead, context, sourceFileStatus);
         bytesRead = inStream.read(buf);
       }
+      outStream.close();
+      outStream = null;
     } finally {
       IOUtils.cleanup(LOG, outStream, inStream);
     }

Modified: 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java?rev=1548176&r1=1548175&r2=1548176&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java
 Thu Dec  5 15:51:28 2013
@@ -18,6 +18,8 @@
 
 package org.apache.hadoop.tools;
 
+import static org.mockito.Mockito.*;
+
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.Path;
@@ -35,6 +37,7 @@ import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.AfterClass;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.List;
@@ -249,4 +252,29 @@ public class TestCopyListing extends Sim
       IOUtils.closeStream(reader);
     }
   }
+  
+  @Test
+  public void testFailOnCloseError() throws IOException {
+    File inFile = File.createTempFile("TestCopyListingIn", null);
+    inFile.deleteOnExit();
+    File outFile = File.createTempFile("TestCopyListingOut", null);
+    outFile.deleteOnExit();
+    List<Path> srcs = new ArrayList<Path>();
+    srcs.add(new Path(inFile.toURI()));
+    
+    Exception expectedEx = new IOException("boom");
+    SequenceFile.Writer writer = mock(SequenceFile.Writer.class);
+    doThrow(expectedEx).when(writer).close();
+    
+    SimpleCopyListing listing = new SimpleCopyListing(getConf(), CREDENTIALS);
+    DistCpOptions options = new DistCpOptions(srcs, new Path(outFile.toURI()));
+    Exception actualEx = null;
+    try {
+      listing.doBuildListing(writer, options);
+    } catch (Exception e) {
+      actualEx = e;
+    }
+    Assert.assertNotNull("close writer didn't fail", actualEx);
+    Assert.assertEquals(expectedEx, actualEx);
+  }
 }


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