Pavel Kovalenko created IGNITE-7749:
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Summary: testDiscoCacheReuseOnNodeJoin fails on TC
Key: IGNITE-7749
URL: https://issues.apache.org/jira/browse/IGNITE-7749
Project: Ignite
Issue Type: Bug
Components: cache
Reporter: Pavel Kovalenko
Assignee: Pavel Kovalenko
{code:java}
java.lang.ClassCastException:
org.apache.ignite.internal.util.GridConcurrentHashSet cannot be cast to
java.lang.String
at
org.apache.ignite.spi.discovery.IgniteDiscoveryCacheReuseSelfTest.assertDiscoCacheReuse(IgniteDiscoveryCacheReuseSelfTest.java:93)
at
org.apache.ignite.spi.discovery.IgniteDiscoveryCacheReuseSelfTest.testDiscoCacheReuseOnNodeJoin(IgniteDiscoveryCacheReuseSelfTest.java:64)
{code}
There are 2 problems in the test.
1) We don't wait for final topology version is set on all nodes and start
checking discovery caches immediately after grids starting. It leads to
possible NullPointerException while accessing to discovery caches history.
2) We don't use explicit assertEquals(String, Object, Object) related to
comparing Objects, while Java can choose assertEquals(String, String) method to
compare discovery cache fields which we're getting in runtime using reflection.
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