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https://issues.apache.org/jira/browse/FLINK-13188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16898816#comment-16898816
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Chesnay Schepler edited comment on FLINK-13188 at 8/2/19 11:38 AM:
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So this issue is valid. When enabling assertions, and configuring IntelliJ to
introduce additional assertions for nonnull/nullable annotations, then the
MockStateTtlTests are failing consistently since the
{{CheckpointStreamFactory}} contained in the {{CheckpointStorage}} returned by
the {{MockStateBackend}} is always null, which is passed to
{{SnapshotStrategy#snapshot}}, but it is annotated with Nonnull.
was (Author: zentol):
So this issue is valid. When enabling assertions, and configuring IntelliJ to
introduce additional assertions for nonnull/nullable annotations, then the
MockStateTtlTests are failing consistently since the
{{CheckpointStreamFactory}} contained in the {{CheckpointStorage}} returned by
the {{MockStateBackend}} is always null, which is passed to
{{SnapshotStrategy#snapshot}}, but it is annotated with Nonnull.
As such the {{MockStateBackend}} does not conform the constraints defined by
the {{SnapshotStrategy}} interface.
> MockStateBackend usage in MockStateTtlTest violates Nonnull annotations
> -----------------------------------------------------------------------
>
> Key: FLINK-13188
> URL: https://issues.apache.org/jira/browse/FLINK-13188
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Affects Versions: 1.7.2, 1.8.0, 1.8.1, 1.9.0
> Environment: system: ubuntu16.04
> ide: intellij 2018.1.8
> Reporter: Lun Zhang
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Attachments:
> addRuntimeAssertionsForNotNullAnnototatedMethodsAndParameters.png, error.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 94 tests failed when running the tests of *flink-runtime/state/ttl* with
> intellij run time assertions opening.
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