[ 
https://issues.apache.org/jira/browse/HADOOP-14857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sean Busbey updated HADOOP-14857:
---------------------------------
    Description: 
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)

  was:
HADOOP-11804 added an IT to make sure downstreamers can use our client 
artifacts post-shading. it is currently broken: 

{code} Running org.apache.hadoop.example.ITUseMiniCluster Tests run: 4, 
Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 2.366 sec <<< FAILURE! - in 
org.apache.hadoop.example.ITUseMiniCluster 
useWebHDFS(org.apache.hadoop.example.ITUseMiniCluster) Time elapsed: 2.08 sec 
<<< ERROR! java.net.BindException: Port in use: localhost:0 at 
sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:433) at 
sun.nio.ch.Net.bind(Net.java:425) at 
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) at 
sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) at 
org.apache.hadoop.shaded.org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:317)
 at org.apache.hadoop.http.HttpServer2.bindListener(HttpServer2.java:1120) at 
org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1151) at 
org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:1213) at 
org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1069) at 
org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:173)
 at 
org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:887)
 at 
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:723) 
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:949) at 
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:928) at 
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1637)
 at 
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1277) 
at 
org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1046)
 at 
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:921)
 at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:853)
 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) 
useWebHDFS(org.apache.hadoop.example.ITUseMiniCluster) Time elapsed: 2.082 sec 
<<< ERROR! java.lang.NullPointerException: null at 
org.apache.hadoop.example.ITUseMiniCluster.clusterDown(ITUseMiniCluster.java:80)
 useHdfsFileSystem(org.apache.hadoop.example.ITUseMiniCluster) Time elapsed: 
0.156 sec <<< ERROR! java.net.BindException: Port in use: localhost:0 at 
sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:433) at 
sun.nio.ch.Net.bind(Net.java:425) at 
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) at 
sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) at 
org.apache.hadoop.shaded.org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:317)
 at org.apache.hadoop.http.HttpServer2.bindListener(HttpServer2.java:1120) at 
org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1151) at 
org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:1213) at 
org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1069) at 
org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:173)
 at 
org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:887)
 at 
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:723) 
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:949) at 
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:928) at 
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1637)
 at 
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1277) 
at 
org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1046)
 at 
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:921)
 at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:853)
 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: 
0.157 sec <<< ERROR! java.lang.NullPointerException: null at 
org.apache.hadoop.example.ITUseMiniCluster.clusterDown(ITUseMiniCluster.java:80)
 {code}


> 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: Minor
>
> 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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