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https://issues.apache.org/jira/browse/MAPREDUCE-4057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236114#comment-13236114
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Tsz Wo (Nicholas), SZE commented on MAPREDUCE-4057:
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HDFS-3089 is going to break RAID since it is changing FSDatasetInterface.
{noformat}
-- ./src/java/org/apache/hadoop/hdfs/server/datanode/RaidBlockSender.java ----
444: private final FSDatasetInterface data;
446: private BlockInputStreamFactory(ExtendedBlock block, FSDatasetInt ...
2 occurrence(s)
{noformat}
However, RAID is already broken before HDFS-3089. It looks like that it was
broken by the HA changes.
> Compilation error in RAID
> --------------------------
>
> Key: MAPREDUCE-4057
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4057
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/raid
> Reporter: Tsz Wo (Nicholas), SZE
>
> {noformat}
> [javac] Compiling 33 source files to
> /Users/szetszwo/hadoop/t2/hadoop-mapreduce-project/build/contrib/raid/classes
> [javac]
> /Users/szetszwo/hadoop/t2/hadoop-mapreduce-project/src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRaidUtil.java:42:
> unreported exception org.apache.hadoop.ipc.StandbyException; must be caught
> or declared to be thrown
> [javac] return namesystem.getFileInfo(src, resolveLink);
> [javac] ^
> {noformat}
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