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Posted to issues@flink.apache.org by "Zhipeng Zhang (Jira)" <ji...@apache.org> on 2023/03/01 10:09:00 UTC
[jira] [Assigned] (FLINK-31191) VectorIndexer should check whether doublesByColumn is null before snapshot
[ https://issues.apache.org/jira/browse/FLINK-31191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhipeng Zhang reassigned FLINK-31191:
-------------------------------------
Assignee: Zhipeng Zhang
> VectorIndexer should check whether doublesByColumn is null before snapshot
> --------------------------------------------------------------------------
>
> Key: FLINK-31191
> URL: https://issues.apache.org/jira/browse/FLINK-31191
> Project: Flink
> Issue Type: Bug
> Components: Library / Machine Learning
> Affects Versions: ml-2.2.0
> Reporter: Zhipeng Zhang
> Assignee: Zhipeng Zhang
> Priority: Major
> Labels: pull-request-available
>
> Currently VectorIndexer would lead to NPE when doing checkpoint. It should check whether `doublesByColumn` is null before calling snapshot.
>
> logview: [https://github.com/apache/flink-ml/actions/runs/4249415318/jobs/7389547039]
> details:
>
>
> [735|https://github.com/apache/flink-ml/actions/runs/4249415318/jobs/7389547039#step:4:736]Caused by: java.lang.NullPointerException
> [736|https://github.com/apache/flink-ml/actions/runs/4249415318/jobs/7389547039#step:4:737] at org.apache.flink.ml.feature.vectorindexer.VectorIndexer$ComputeDistinctDoublesOperator.convertToListArray(VectorIndexer.java:232)
> [737|https://github.com/apache/flink-ml/actions/runs/4249415318/jobs/7389547039#step:4:738] at org.apache.flink.ml.feature.vectorindexer.VectorIndexer$ComputeDistinctDoublesOperator.snapshotState(VectorIndexer.java:228)
> [738|https://github.com/apache/flink-ml/actions/runs/4249415318/jobs/7389547039#step:4:739] at org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.snapshotState(StreamOperatorStateHandler.java:222)
> [739|https://github.com/apache/flink-ml/actions/runs/4249415318/jobs/7389547039#step:4:740] ... 33 more
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