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https://issues.apache.org/jira/browse/HDFS-11263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15764596#comment-15764596
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Hudson commented on HDFS-11263:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11016 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/11016/])
HDFS-11263. ClassCastException when we use Bzipcodec for Fsimage (brahma: rev 
1b401f6a734df4e23a79b3bd89c816a1fc0de574)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java


> ClassCastException when we use Bzipcodec for Fsimage compression
> ----------------------------------------------------------------
>
>                 Key: HDFS-11263
>                 URL: https://issues.apache.org/jira/browse/HDFS-11263
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>            Priority: Critical
>             Fix For: 2.8.0, 2.7.4, 3.0.0-alpha2
>
>         Attachments: HDFS-11263-002.patch, HDFS-11263.patch
>
>
>  *Trace* 
> {noformat}
> java.lang.ClassCastException: 
> org.apache.hadoop.io.compress.BZip2Codec$BZip2CompressionOutputStream cannot 
> be cast to org.apache.hadoop.io.compress.CompressorStream
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Saver.flushSectionOutputStream(FSImageFormatProtobuf.java:420)
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Saver.commitSection(FSImageFormatProtobuf.java:405)
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Saver.saveNameSystemSection(FSImageFormatProtobuf.java:583)
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Saver.saveInternal(FSImageFormatProtobuf.java:494)
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Saver.save(FSImageFormatProtobuf.java:431)
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImage.saveFSImage(FSImage.java:913)
>       at 
> org.apache.hadoop.hdfs.server.namenode.FSImage$FSImageSaver.run(FSImage.java:964)
>       at java.lang.Thread.run(Thread.java:745)
> {noformat}



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