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https://issues.apache.org/jira/browse/IGNITE-9858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16681491#comment-16681491
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Pavel Pereslegin commented on IGNITE-9858:
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I also investigated the possibility of removing check in
TcpDiscoveryIpFinderAdapter#initializeLocalAddresses (option 2), but faced with
the fact that TcpDiscoverySpi replaces port 0 with default port 47500 ([code
link|https://github.com/apache/ignite/blob/master/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoverySpi.java#L1901])
and in this case the client can connect to another cluster (IGFS tests
reproduce this problem). I also tried to skip this replacement
[here|https://github.com/apache/ignite/pull/5246/files#diff-7a68a14bf6d0ee82769328166d58a34cR1902],
but this is not an obvious change, and I found at least one test failure
(TcpDiscoveryVmIpFinderSelfTest.testUnregistration) with such changes. So I
decided to go the other way.
> [Test Failed] SystemCacheNotConfiguredTest#test flaky fails on TC (timeout).
> ----------------------------------------------------------------------------
>
> Key: IGNITE-9858
> URL: https://issues.apache.org/jira/browse/IGNITE-9858
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.6
> Reporter: Pavel Pereslegin
> Assignee: Pavel Pereslegin
> Priority: Major
> Labels: MakeTeamcityGreenAgain
> Fix For: 2.8
>
>
> SystemCacheNotConfiguredTest hangs sometimes on TeamCity (timeout).
> Example of such failures on master branch:
> [https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&buildTypeId=&tab=testDetails&testNameId=-2762467041583095183&order=TEST_STATUS_DESC&itemsCount=50&branch_IgniteTests24Java8=%3Cdefault%3E]
> When we using ip finder in shared mode each node should register self address
> (except clients, obviously).
> Check that the node is a client uses installed (via DI
> @IgniteInstanceResource) Ignite instance (see
> {{TcpDiscoveryIpFinderAdapter#initializeLocalAddresses}}).
> So when client and server starts simultaneously, the following scenario is
> possible - Ignite server injected at first, then the Ignite client injected
> when the SPI is initialized ({{spiStart}}) both nodes assume that the local
> node is a client and don't register local address.
> {noformat}
> [2018-10-11 18:03:49,794][WARN
> ][tcp-client-disco-msg-worker-#57%client%][TcpDiscoverySpi] IP finder
> returned empty addresses list. Please check IP finder configuration. Will
> retry every 2000 ms. Change 'reconnectDelay' to configure the frequency of
> retries.{noformat}
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