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[CI] Build xgboost4j.dll and libxgboost4j.dylib into snapshot JARs #5559

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hcho3 opened this issue Apr 17, 2020 · 2 comments
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[CI] Build xgboost4j.dll and libxgboost4j.dylib into snapshot JARs #5559

hcho3 opened this issue Apr 17, 2020 · 2 comments
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hcho3 commented Apr 17, 2020

#5533 and #5539 created a Maven repository to host snapshots for XGBoost4J. The JAR files contain both bytecode for Java/Scala code as well as the native library libxgboost4j.so. The native library is compiled to run on 64-bit Linux. So you cannot deploy XGBoost4J-Spark to a server running Windows Server.

Proposal: Build xgboost4j.dll using Visual Studio and insert it into the JAR file. This needs to be automated as part of CI.
@hcho3 hcho3 changed the title [CI] Build XGBoost4J.DLL into snapshot JARs [CI] Build xgboost4j.dll and libxgboost4j.dylib into snapshot JARs Jul 18, 2020
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hcho3 commented Jul 18, 2020

It would also be nice to have the Mac OS library libxgboost4j.dylib in the JAR file as well.

@hcho3 hcho3 closed this as completed Sep 8, 2020
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hcho3 commented Sep 8, 2020

Currently distributed training is broken on Windows.

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