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Posted to issues@ignite.apache.org by "Yury Babak (JIRA)" <ji...@apache.org> on 2019/02/28 13:38:00 UTC

[jira] [Resolved] (IGNITE-11401) [ML] Labmdas doesn't work in binary builds

     [ https://issues.apache.org/jira/browse/IGNITE-11401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yury Babak resolved IGNITE-11401.
---------------------------------
    Resolution: Workaround

To avoid this problem use workaround - deploy user code(jars) with feature/label extractions to servers.

The permanent solution will be provided by the linked ticket.

> [ML] Labmdas doesn't work in binary builds
> ------------------------------------------
>
>                 Key: IGNITE-11401
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11401
>             Project: Ignite
>          Issue Type: Bug
>          Components: ml
>            Reporter: Alexey Platonov
>            Assignee: Alexey Platonov
>            Priority: Major
>             Fix For: 2.8
>
>
> Current lambdas for feature extraction doesn't work in binary builds and fail with such errors:
> Caused by: class org.apache.ignite.binary.BinaryObjectException: Failed to deserialize object [typeName=org.apache.ignite.ml.regressions.linear.FeatureExtractorWrapper]
>     at org.apache.ignite.internal.binary.BinaryClassDescriptor.read(BinaryClassDescriptor.java:913)
>     at org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1763)
>     at org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1715)
>     at org.apache.ignite.internal.binary.BinaryReaderExImpl.readField(BinaryReaderExImpl.java:1983)
>     at org.apache.ignite.internal.binary.BinaryFieldAccessor$DefaultFinalClassAccessor.read0(BinaryFieldAccessor.java:703)
>     at org.apache.ignite.internal.binary.BinaryFieldAccessor.read(BinaryFieldAccessor.java:188)
>     ... 40 more
> Caused by: class org.apache.ignite.binary.BinaryObjectException: Failed to read field [name=featureExtractor]
>     at org.apache.ignite.internal.binary.BinaryFieldAccessor.read(BinaryFieldAccessor.java:192)
>     at org.apache.ignite.internal.binary.BinaryClassDescriptor.read(BinaryClassDescriptor.java:874)
>     ... 45 more
> Caused by: class org.apache.ignite.binary.BinaryObjectException: Failed to deserialize object [typeName=java.lang.invoke.SerializedLambda]
>     at org.apache.ignite.internal.binary.BinaryClassDescriptor.read(BinaryClassDescriptor.java:913)
>     at org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1763)
>     at org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1715)
>     at org.apache.ignite.internal.binary.BinaryReaderExImpl.readField(BinaryReaderExImpl.java:1983)
>     at org.apache.ignite.internal.binary.BinaryFieldAccessor$DefaultFinalClassAccessor.read0(BinaryFieldAccessor.java:703)
>     at org.apache.ignite.internal.binary.BinaryFieldAccessor.read(BinaryFieldAccessor.java:188)
>     ... 46 more
> Caused by: class org.apache.ignite.binary.BinaryObjectException: Failed to read field [name=capturedArgs]
>     at org.apache.ignite.internal.binary.BinaryFieldAccessor.read(BinaryFieldAccessor.java:192)
>     at org.apache.ignite.internal.binary.BinaryClassDescriptor.read(BinaryClassDescriptor.java:874)
>     ... 51 more
> Caused by: class org.apache.ignite.binary.BinaryInvalidTypeException: org.apache.ignite.examples.ml.regression.linear.StaticFun
>  
> ....



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