[jira] [Commented] (ACCUMULO-3100) Accumulo fails to test against recent Hadoop 2.6.0-SNAPSHOT

["Josh Elser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-3100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123088#comment-14123088 ] 

Josh Elser commented on ACCUMULO-3100:
--------------------------------------

This is a little concerning because I feel like we're playing with fire a little bit. We can continue to fudge our build so that test cases will work, but it introduces confusion because users of an AccumuloMiniCluster would also break if they pull in Guava 15. We haven't noticed this in deployments yet because LimitInputStream hasn't been used in Hadoop client API calls, just internals.

[~vines], since you were the one who changed the dependency to 15.0 to begin with, thoughts?

> Accumulo fails to test against recent Hadoop 2.6.0-SNAPSHOT
> -----------------------------------------------------------
>
>                 Key: ACCUMULO-3100
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3100
>             Project: Accumulo
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 1.6.0
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.6.1, 1.7.0
>
>
> JobSubmitted makes a call out to CryptoUtils to test for encrypted shuffle support that was recently added to branch-2 (specifically HDFS-6134 and HADOOP-10150 looking at the blame)
> {noformat}
> java.lang.NoClassDefFoundError: com/google/common/io/LimitInputStream
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> 	at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:380)
> 	at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1294)
> 	at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1291)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
> 	at org.apache.hadoop.mapreduce.Job.submit(Job.java:1291)
> 	at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1312)
> {noformat}
> Because of this, we can't run the test because we can't load LimitInputStream because we depend on Guava 15.0 which doesn't contain LimitInputStream.



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