[IGNITE-11401] [ML] Labmdas doesn't work in binary builds

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Workaround
• Fix Version/s: 2.8
• Component/s: ml
• Release Note: Fix the problem with ML Labmdas which are not working in binary builds
• Flags: Important
• Ignite Flags: Release Notes Required
• Assignee: Alexey Platonov
• Reporter: Alexey Platonov
• Created: 25/Feb/19 07:42
• Updated: 14/Jan/20 10:27
• Resolved: 28/Feb/19 13:37

Description

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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Issue Links

• causes: IGNITE-11449 [ML] Umbrella: API for Feature/Label extracting (part 1)