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https://issues.apache.org/jira/browse/FLINK-3128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15128001#comment-15128001
]
ASF GitHub Bot commented on FLINK-3128:
---------------------------------------
Github user f-sander commented on the pull request:
https://github.com/apache/flink/pull/1565#issuecomment-178487703
Are the build failures related to us? I don't really understand how...
The first failure happens in oraclejd8 with hadoop 2.7.1:
```
Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 351.368 sec
<<< FAILURE! - in
org.apache.flink.test.recovery.TaskManagerProcessFailureBatchRecoveryITCase
testTaskManagerProcessFailure[0](org.apache.flink.test.recovery.TaskManagerProcessFailureBatchRecoveryITCase)
Time elapsed: 318.792 sec <<< FAILURE!
java.lang.AssertionError: The program did not finish in time
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertFalse(Assert.java:64)
at
org.apache.flink.test.recovery.AbstractTaskManagerProcessFailureRecoveryTest.testTaskManagerProcessFailure(AbstractTaskManagerProcessFailureRecoveryTest.java:212)
```
The second on in openjdk 7 with hadoop 1 appears to experience a deadlock
(?):
```
==============================================================================
Maven produced no output for 300 seconds.
==============================================================================
==============================================================================
The following Java processes are running (JPS)
==============================================================================
2286 Launcher
77113 Jps
76276 surefirebooter4006285424712115006.jar
==============================================================================
Printing stack trace of Java process 2286
==============================================================================
```
After that only lots of lots of process stack traces.
> Add Isotonic Regression To ML Library
> -------------------------------------
>
> Key: FLINK-3128
> URL: https://issues.apache.org/jira/browse/FLINK-3128
> Project: Flink
> Issue Type: New Feature
> Components: Machine Learning Library
> Reporter: Fridtjof Sander
> Assignee: Fridtjof Sander
> Priority: Minor
>
> Isotonic Regression fits a monotonically increasing function (also called
> isotonic function) to a plane of datapoints.
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