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/7a92345f Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/7a92345f Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/7a92345f Branch: refs/heads/branch-2 Commit: 7a92345f167c78ee9ac3c1d6c2c5f2c9897992c3 Parents: a95acbc Author: Brahma Reddy Battula <[email protected]> Authored: Tue Dec 20 20:54:03 2016 +0530 Committer: Brahma Reddy Battula <[email protected]> Committed: Tue Dec 20 21:02:16 2016 +0530 ---------------------------------------------------------------------- .../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/7a92345f/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 82bbd63..93e8288 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/7a92345f/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); } --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
