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From "Artem Malykh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-7367) Flickering minMax test in SparseDistributedMatrixTest
Date Tue, 09 Jan 2018 17:42:00 GMT
Artem Malykh created IGNITE-7367:
------------------------------------

             Summary: Flickering minMax test in SparseDistributedMatrixTest
                 Key: IGNITE-7367
                 URL: https://issues.apache.org/jira/browse/IGNITE-7367
             Project: Ignite
          Issue Type: Bug
            Reporter: Artem Malykh


java.lang.NullPointerException: null
    at java.util.Collections.min(Collections.java:600)
    at org.apache.ignite.ml.math.distributed.CacheUtils.sparseMin(CacheUtils.java:241)
    at org.apache.ignite.ml.math.impls.matrix.SparseBlockDistributedMatrix.minValue(SparseBlockDistributedMatrix.java:271)
    at org.apache.ignite.ml.math.impls.matrix.SparseDistributedBlockMatrixTest.testMinMax(SparseDistributedBlockMatrixTest.java:178)
------- Stdout: -------
[2018-01-09 17:21:46,029][INFO ][main][root] >>> Starting test: SparseDistributedBlockMatrixTest#testMinMax
<<<
[2018-01-09 17:21:58,436][INFO ][main][root] >>> Stopping test: SparseDistributedBlockMatrixTest#testMinMax
in 12407 ms <<<
------- Stderr: -------
[2018-01-09 17:21:58,432][ERROR][main][root] Test failed.
java.lang.NullPointerException
    at java.util.Collections.min(Collections.java:600)
    at org.apache.ignite.ml.math.distributed.CacheUtils.sparseMin(CacheUtils.java:241)
    at org.apache.ignite.ml.math.impls.matrix.SparseBlockDistributedMatrix.minValue(SparseBlockDistributedMatrix.java:271)
    at org.apache.ignite.ml.math.impls.matrix.SparseDistributedBlockMatrixTest.testMinMax(SparseDistributedBlockMatrixTest.java:178)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at junit.framework.TestCase.runTest(TestCase.java:176)
    at org.apache.ignite.testframework.junits.GridAbstractTest.runTestInternal(GridAbstractTest.java:2001)
    at org.apache.ignite.testframework.junits.GridAbstractTest.access$000(GridAbstractTest.java:133)
    at org.apache.ignite.testframework.junits.GridAbstractTest$5.run(GridAbstractTest.java:1916)
    at java.lang.Thread.run(Thread.java:745)



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