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https://issues.apache.org/jira/browse/HADOOP-14857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16162492#comment-16162492
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Sean Busbey commented on HADOOP-14857:
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[~andrew.wang] what git hash are you on?
> downstream client artifact IT fails
> -----------------------------------
>
> Key: HADOOP-14857
> URL: https://issues.apache.org/jira/browse/HADOOP-14857
> Project: Hadoop Common
> Issue Type: Sub-task
> Affects Versions: 3.0.0-alpha2
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Blocker
> Attachments: HADOOP-14857.1.patch, HADOOP-18457.0.patch
>
>
> HADOOP-11804 added an IT to make sure downstreamers can use our client
> artifacts post-shading. it is currently broken:
> {code} useWebHDFS(org.apache.hadoop.example.ITUseMiniCluster) Time elapsed:
> 6.776 sec <<< ERROR!
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.example.ITUseMiniCluster.clusterDown(ITUseMiniCluster.java:80)
> useHdfsFileSystem(org.apache.hadoop.example.ITUseMiniCluster) Time elapsed:
> 2.954 sec <<< ERROR!
> java.lang.NoClassDefFoundError:
> org/apache/hadoop/shaded/org/mockito/stubbing/Answer
> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.shouldWait(MiniDFSCluster.java:2668)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2564)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2607)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1667)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:874)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:494)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:453)
> at
> org.apache.hadoop.example.ITUseMiniCluster.clusterUp(ITUseMiniCluster.java:74)
> useHdfsFileSystem(org.apache.hadoop.example.ITUseMiniCluster) Time elapsed:
> 2.954 sec <<< ERROR!
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.example.ITUseMiniCluster.clusterDown(ITUseMiniCluster.java:80)
> {code}
> (edited after I fixed a downed loopback device)
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