[jira] [Commented] (FLINK-28609) Flink-Pulsar connector fails on larger schemas

["Yufan Sheng (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-28609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17569417#comment-17569417 ] 

Yufan Sheng commented on FLINK-28609:
-------------------------------------

Thanks for your report.

> Flink-Pulsar connector fails on larger schemas
> ----------------------------------------------
>
>                 Key: FLINK-28609
>                 URL: https://issues.apache.org/jira/browse/FLINK-28609
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / Pulsar
>    Affects Versions: 1.14.3, 1.14.4, 1.14.5, 1.15.1
>            Reporter: Jacek Wislicki
>            Priority: Major
>         Attachments: exception.txt
>
>
> When a model results in a larger schema (this seems to be related to its byte array representation), the number of expected bytes to read is different than the number of actually read bytes: [^exception.txt]. The "read" is such a case is always 1018 while the expected "byteLen" gives a greater value. For smaller schemata, the numbers are equal (less than 1018) and no issue occurs.
> The problem reproduction is on [GitHub|https://github.com/JacekWislicki/vp-test2]. There are 2 simple jobs (SimpleJob1 and SimpleJob2) using basic models for the Pulsar source definition (PulsarMessage1 and PulsarMessage2, respectively). Each of the corresponding schemata is properly serialised and deserialised, unless an effective byte array length becomes excessive (marked with "the problem begins" in model classes). The fail condition can be achieved by a number of fields (PulsarMessage1) or just longer field names (PulsarMessage2). The problem occurs on either Avro or a JSON schema set in the Pulsar source definition.



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