[jira] [Created] (IGNITE-6467) Ignite cache 6: new test testConcurrentStartServersAndClients() has flaky junit assertion after cache get

["Dmitriy Pavlov (JIRA)" <ji...@apache.org>]

Dmitriy Pavlov created IGNITE-6467:
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             Summary: Ignite cache 6: new test testConcurrentStartServersAndClients() has flaky junit assertion after cache get
                 Key: IGNITE-6467
                 URL: https://issues.apache.org/jira/browse/IGNITE-6467
             Project: Ignite
          Issue Type: Bug
            Reporter: Dmitriy Pavlov
            Assignee: Semen Boikov


Ignite cache 6: CacheExchangeMergeTest.testConcurrentStartServersAndClients fails with probability >10% in master and in PRs

https://ci.ignite.apache.org/project.html?projectId=Ignite20Tests&testNameId=741151191800314619&tab=testDetails

latest failure from master
https://ci.ignite.apache.org/viewLog.html?buildId=843261&tab=buildResultsDiv&buildTypeId=Ignite20Tests_IgniteCache6#testNameId741151191800314619

{noformat}
Invalid value [node=distributed.CacheExchangeMergeTest0, client=false, order=1, cache=c1] expected:<0> but was:<null>
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:188)
    at org.apache.ignite.internal.processors.cache.distributed.CacheExchangeMergeTest.checkNodeCaches(CacheExchangeMergeTest.java:1343)
    at org.apache.ignite.internal.processors.cache.distributed.CacheExchangeMergeTest.checkCaches0(CacheExchangeMergeTest.java:1213)
    at org.apache.ignite.internal.processors.cache.distributed.CacheExchangeMergeTest.checkCaches(CacheExchangeMergeTest.java:1195)
    at org.apache.ignite.internal.processors.cache.distributed.CacheExchangeMergeTest.concurrentStart(CacheExchangeMergeTest.java:446)
    at org.apache.ignite.internal.processors.cache.distributed.CacheExchangeMergeTest.testConcurrentStartServersAndClients(CacheExchangeMergeTest.java:414)
Caused by: junit.framework.AssertionFailedError: Invalid value [node=distributed.CacheExchangeMergeTest0, client=false, order=1, cache=c1] expected:<0> but was:<null>
    at junit.framework.Assert.fail(Assert.java:57)
    at junit.framework.Assert.failNotEquals(Assert.java:329)
    at junit.framework.Assert.assertEquals(Assert.java:78)
    at junit.framework.TestCase.assertEquals(TestCase.java:244)
    at org.apache.ignite.internal.processors.cache.distributed.CacheExchangeMergeTest$16.run(CacheExchangeMergeTest.java:1312)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)
{nofromat}



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