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https://issues.apache.org/jira/browse/HBASE-19963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433246#comment-16433246
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Mike Drob commented on HBASE-19963:
-----------------------------------
I thought I read there was an issue with the 3.0.1 client jars. maybe we need
to wait for .2?
> TestFSHDFSUtils assumes wrong default port for Hadoop 3.0.1+
> ------------------------------------------------------------
>
> Key: HBASE-19963
> URL: https://issues.apache.org/jira/browse/HBASE-19963
> Project: HBase
> Issue Type: Task
> Components: test
> Reporter: Mike Drob
> Assignee: Wei-Chiu Chuang
> Priority: Major
>
> We try to accommodate HDFS changing ports when testing if it is the same FS
> in our tests:
> https://github.com/apache/hbase/blob/master/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSHDFSUtils.java#L156-L162
> {code}
> if (isHadoop3) {
> // Hadoop 3.0.0 alpha1+ change default nn port to 9820. See HDFS-9427
> testIsSameHdfs(9820);
> } else {
> // pre hadoop 3.0.0 defaults to port 8020
> testIsSameHdfs(8020);
> }
> {code}
> But in Hadoop 3.0.1, they decided to go back to the old port - see HDFS-12990.
> So our tests will fail against the snapshot and against future releases.
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