[jira] [Created] (IGNITE-11781) Invalid mode while deserializing JTS geometry objects with binary marshaller

[Anton Vinogradov (Jira)]

Martin Raifer created IGNITE-11781:
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             Summary: 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


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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