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From bra...@apache.org
Subject [3/4] hadoop git commit: HDFS-11263. ClassCastException when we use Bzipcodec for Fsimage compression. Contributed by Brahma Reddy Battula.
Date Tue, 20 Dec 2016 16:02:32 GMT
HDFS-11263. ClassCastException when we use Bzipcodec for Fsimage compression. Contributed by
Brahma Reddy Battula.

(cherry picked from commit 1b401f6a734df4e23a79b3bd89c816a1fc0de574)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/a43bbea3
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/a43bbea3
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/a43bbea3

Branch: refs/heads/branch-2.8
Commit: a43bbea3c892e1681b1135a2fde0b53cbc09f30b
Parents: 1e3304a
Author: Brahma Reddy Battula <brahma@apache.org>
Authored: Tue Dec 20 20:54:03 2016 +0530
Committer: Brahma Reddy Battula <brahma@apache.org>
Committed: Tue Dec 20 21:16:54 2016 +0530

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 .../hdfs/server/namenode/FSImageFormatProtobuf.java      |  4 ++--
 .../apache/hadoop/hdfs/server/namenode/TestFSImage.java  | 11 +++++++++--
 2 files changed, 11 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/a43bbea3/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
index 90fe30f..b3e89b5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
@@ -40,6 +40,7 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
 
+import org.apache.hadoop.io.compress.CompressionOutputStream;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.classification.InterfaceAudience;
@@ -63,7 +64,6 @@ import org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType;
 import org.apache.hadoop.hdfs.util.MD5FileUtils;
 import org.apache.hadoop.io.MD5Hash;
 import org.apache.hadoop.io.compress.CompressionCodec;
-import org.apache.hadoop.io.compress.CompressorStream;
 import org.apache.hadoop.util.LimitInputStream;
 import org.apache.hadoop.util.Time;
 
@@ -413,7 +413,7 @@ public final class FSImageFormatProtobuf {
 
     private void flushSectionOutputStream() throws IOException {
       if (codec != null) {
-        ((CompressorStream) sectionOutputStream).finish();
+        ((CompressionOutputStream) sectionOutputStream).finish();
       }
       sectionOutputStream.flush();
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a43bbea3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
index ebfc2ed..44f7afd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
@@ -65,8 +65,15 @@ public class TestFSImage {
   public void testCompression() throws IOException {
     Configuration conf = new Configuration();
     conf.setBoolean(DFSConfigKeys.DFS_IMAGE_COMPRESS_KEY, true);
-    conf.set(DFSConfigKeys.DFS_IMAGE_COMPRESSION_CODEC_KEY,
-        "org.apache.hadoop.io.compress.GzipCodec");
+    setCompressCodec(conf, "org.apache.hadoop.io.compress.DefaultCodec");
+    setCompressCodec(conf, "org.apache.hadoop.io.compress.GzipCodec");
+    setCompressCodec(conf, "org.apache.hadoop.io.compress.BZip2Codec");
+    setCompressCodec(conf, "org.apache.hadoop.io.compress.Lz4Codec");
+  }
+
+  private void setCompressCodec(Configuration conf, String compressCodec)
+      throws IOException {
+    conf.set(DFSConfigKeys.DFS_IMAGE_COMPRESSION_CODEC_KEY, compressCodec);
     testPersistHelper(conf);
   }
 


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