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https://issues.apache.org/jira/browse/IGNITE-3063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260658#comment-15260658
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Ivan Veselovsky commented on IGNITE-3063:
-----------------------------------------
Investigation shows that some data entries stay in data cache after cleanup
after IgfsClientCacheSelfTest#testDeadlocks() test.
> IgfsClientCacheSelfTest.testFormat flakily fails
> -------------------------------------------------
>
> Key: IGNITE-3063
> URL: https://issues.apache.org/jira/browse/IGNITE-3063
> Project: Ignite
> Issue Type: Bug
> Components: IGFS
> Affects Versions: 1.5.0.final
> Reporter: Ivan Veselovsky
> Assignee: Ivan Veselovsky
> Fix For: 1.6
>
>
> IgfsClientCacheSelfTest.testFormat flakily fails on "master" branch.
> Main problems with format() operation were fixed in IGNITE-586, but this
> problem is different: test fails in the very beginning, because number of
> entries in data cache is greater than zero. That is, the problem is that
> clean up performed after previous test has failed to clean up data cache
> completely. The cleanup mechanism and method of caches emptiness assertion
> should be re-implemented, because in #clean() method we use
> getMetaCache(igfs).keySet() and getDataCache(igfs).size() methods , that
> return only the number of *local* entries, while in the beginning of
> #testFormat() method we use dataCache.size(new CachePeekMode[]
> {CachePeekMode.ALL}); , that returns all the entries, and this assertion
> fails.
> {code}
> ------- Stdout: -------
> [13:50:10,335][INFO ][main][root] >>> Starting test:
> IgfsClientCacheSelfTest#testFormat <<<
> [13:50:10,338][INFO ][main][root] >>> Stopping test:
> IgfsClientCacheSelfTest#testFormat in 3 ms <<<
> ------- Stderr: -------
> [13:50:10,338][ERROR][main][root] Test failed.
> java.lang.AssertionError: Initial data cache size = 2
> at
> org.apache.ignite.internal.processors.igfs.IgfsAbstractSelfTest.testFormat(IgfsAbstractSelfTest.java:983)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at junit.framework.TestCase.runTest(TestCase.java:176)
> at
> org.apache.ignite.testframework.junits.GridAbstractTest.runTestInternal(GridAbstractTest.java:1759)
> at
> org.apache.ignite.testframework.junits.GridAbstractTest.access$000(GridAbstractTest.java:118)
> at
> org.apache.ignite.testframework.junits.GridAbstractTest$4.run(GridAbstractTest.java:1697)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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