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Posted to common-issues@hadoop.apache.org by "Julia Kinga Marton (Jira)" <ji...@apache.org> on 2019/08/22 14:44:00 UTC
[jira] [Assigned] (HADOOP-16503) [JDK11] TestLeafQueue tests are
failing due to WrongTypeOfReturnValue
[ https://issues.apache.org/jira/browse/HADOOP-16503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julia Kinga Marton reassigned HADOOP-16503:
-------------------------------------------
Assignee: Julia Kinga Marton (was: Adam Antal)
> [JDK11] TestLeafQueue tests are failing due to WrongTypeOfReturnValue
> ---------------------------------------------------------------------
>
> Key: HADOOP-16503
> URL: https://issues.apache.org/jira/browse/HADOOP-16503
> Project: Hadoop Common
> Issue Type: Sub-task
> Affects Versions: 3.2.0
> Reporter: Adam Antal
> Assignee: Julia Kinga Marton
> Priority: Major
> Attachments: HADOOP-16503.001.patch
>
>
> Many of the tests in {{org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue}} fails with the following error message running on JDK11:
> {noformat}
> [ERROR] testSingleQueueWithOneUser(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue) Time elapsed: 0.204 s <<< ERROR!
> org.mockito.exceptions.misusing.WrongTypeOfReturnValue:
> YarnConfiguration cannot be returned by getRMNodes()
> getRMNodes() should return ConcurrentMap
> ***
> If you're unsure why you're getting above error read on.
> Due to the nature of the syntax above problem might occur because:
> 1. This exception *might* occur in wrongly written multi-threaded tests.
> Please refer to Mockito FAQ on limitations of concurrency testing.
> 2. A spy is stubbed using when(spy.foo()).then() syntax. It is safer to stub spies -
> - with doReturn|Throw() family of methods. More in javadocs for Mockito.spy() method.
> at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue.setUpInternal(TestLeafQueue.java:221)
> at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue.setUp(TestLeafQueue.java:144)
> ...
> {noformat}
> This is due to the actual execution of the call, while we need to record only the invocation of it. According to the javadocs and other folks.
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