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https://issues.apache.org/jira/browse/HBASE-22394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16839916#comment-16839916
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Duo Zhang commented on HBASE-22394:
-----------------------------------
But in general, you do not need to use hadoop 3.1.2 client to talk with hadoop
3.1.2 server? You can just use the original hbase binary, and run it on top of
HDFS 3.1.2...
What's is the reason for replacing the hadoop jars in the hbase binary?
> HdfsFileStatus incompatibility when used with Hadoop 3.1.x
> ----------------------------------------------------------
>
> Key: HBASE-22394
> URL: https://issues.apache.org/jira/browse/HBASE-22394
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 2.1.4
> Reporter: Raymond Lau
> Priority: Major
>
> Hbase 2.1.4 works fine with Hadoop 3.0.3 but when I attempted to upgrade to
> Hadoop 3.1.2, I get the following error in the region server:
> {noformat}
> 2019-05-10 12:49:10,303 ERROR HRegionServer - ***** ABORTING region server
> [REDACTED],16020,1557506923574: Unhandled: Found interface
> org.apache.hadoop.hdfs.protocol.HdfsFileStatus, but class was expected *****
> java.lang.IncompatibleClassChangeError: Found interface
> org.apache.hadoop.hdfs.protocol.HdfsFileStatus, but class was expected
> at
> org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.createOutput(FanOutOneBlockAsyncDFSOutputHelper.java:768)
> at
> org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.access$400(FanOutOneBlockAsyncDFSOutputHelper.java:118)
> at
> org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper$16.doCall(FanOutOneBlockAsyncDFSOutputHelper.java:848)
> {noformat}
> Hadoop 3.1.1+ is listed as compatible with Hbase 2.1.x atÂ
> [https://hbase.apache.org/book.html#basic.prerequisites].
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