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https://issues.apache.org/jira/browse/IGNITE-11781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16874277#comment-16874277
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Martin Raifer commented on IGNITE-11781:
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any news on this one?
> Invalid mode while deserializing JTS geometry objects with binary marshaller
> ----------------------------------------------------------------------------
>
> Key: IGNITE-11781
> URL: https://issues.apache.org/jira/browse/IGNITE-11781
> Project: Ignite
> Issue Type: Bug
> Components: binary, clients, compute
> Affects Versions: 2.7
> Environment: Tested on a 64 bit Ubuntu 18.04, with OpenJDK 1.8.0_191,
> running Ignite 2.7
> Reporter: Martin Raifer
> Priority: Minor
> Labels: newbie
>
> JTS Geometry objects can't be used as return types of compute jobs. Instead,
> _null_ is returned. Here's a minimal example showing the bug (and one example
> that shows that the bug is sometimes not triggered under slightly different
> conditions):
>
> {code:java}
> // this prints "null" (wrong – the expected result would be "POINT EMPTY"):
> igniteCompute.broadcast(() -> (new
> GeometryFactory()).createPoint()).forEach(System.out::println);
> // this prints "[POINT EMPTY]" (correct):
> igniteCompute.broadcast(() -> Collections.singletonList((new
> GeometryFactory()).createPoint())).forEach(System.out::println);
> {code}
> This is caused by an invalid _BinaryWriteMode_ of _OPTIMIZED_ in
> [https://github.com/apache/ignite/blob/ignite-2.7/modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryClassDescriptor.java#L852]
> which then leads to a null value to be returned a few lines further down:
> [https://github.com/apache/ignite/blob/ignite-2.7/modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryClassDescriptor.java#L882]
> From what I can see, the _OPTIMIZED_ mode is set in
> [https://github.com/apache/ignite/blob/ignite-2.7/modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryClassDescriptor.java#L161]
> where the objects are explicitly tested against the
> _org.locationtech.jts.geom.Geometry_ class. This could be a regression
> introduced in https://issues.apache.org/jira/browse/IGNITE-4259 ?
>
>
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