aloyszhang opened a new pull request #8075: [FLINK-12043][core] process array NPE in org.apache.flink.api.common.typeutils.base.array URL: https://github.com/apache/flink/pull/8075 ## What is the purpose of the change This pr process the array NullPointerException in package "org.apache.flink.api.common.typeutils.base.array" in serializer and comparator class. ## Brief change log - serializer's `copy(boolean[] from)` method throws IllegalArgumentException explicitly - comparator's `compare(boolean[] first, boolean[] second)` method throws IllegalArgumentException explicitly according to java.util.Comparator#compare(Object, Object) ## Verifying this change This change is already covered by existing tests in typeutils test of core module. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes /** no**) - The serializers: (**yes** / no / don't know) - The runtime per-record code paths (performance sensitive): (yes /** no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
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