[jira] [Created] (IGNITE-6762) SparseDistributedMatrixExample failed with NPE

["Sergey Kozlov (JIRA)" <ji...@apache.org>]

Sergey Kozlov created IGNITE-6762:
-------------------------------------

             Summary: SparseDistributedMatrixExample failed with NPE
                 Key: IGNITE-6762
                 URL: https://issues.apache.org/jira/browse/IGNITE-6762
             Project: Ignite
          Issue Type: Bug
      Security Level: Public (Viewable by anyone)
          Components: examples
    Affects Versions: 2.3
            Reporter: Sergey Kozlov
            Priority: Critical
             Fix For: 2.3


1. Open ignite-examples project in IDEA
2. Start 3 nodes by {{ExampleNodeStartup}}
3. Run {{SparseDistributedMatrixExample}}. It throws the exception: 
{noformat}
>>> Ignite grid started.
>>> Create new SparseDistributedMatrix inside IgniteThread.
Exception in thread "SparseDistributedMatrixExample-#51" java.lang.NullPointerException
	at org.apache.ignite.ml.math.distributed.CacheUtils.sum(CacheUtils.java:170)
	at org.apache.ignite.ml.math.distributed.CacheUtils.sparseSum(CacheUtils.java:160)
	at org.apache.ignite.ml.math.impls.matrix.SparseDistributedMatrix.sum(SparseDistributedMatrix.java:185)
	at org.apache.ignite.examples.ml.math.matrix.SparseDistributedMatrixExample.lambda$main$1(SparseDistributedMatrixExample.java:58)
	at java.lang.Thread.run(Thread.java:745)
[15:28:44] Ignite node stopped OK [uptime=00:00:04.399]

{noformat}



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