When packaged into docker container: FileNotFoundException: File /lib/linux-musl/x86_64/libxgboost4j.so about tribuo HOT 6 CLOSED

XGBoost4j needs to be compiled from source on Linux distributions which use musl libc. Or you can install glibc (though on that specific version used in Tribuo 4.3.1 it tries to autodetect musl and that autodetection will confuse things).

There are issues in XGBoost's GitHub page with more details, e.g. dmlc/xgboost#7921.

We have a note about XGBoost's binary support in the javadocs - https://github.com/oracle/tribuo/blob/main/Common/XGBoost/src/main/java/org/tribuo/common/xgboost/XGBoostTrainer.java#L65

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I've tried to install additional C/C++ libraries, as it was mentioned in the note, you've mentioned, but no luck.

Docker Image: openjdk:17-jdk-alpine3.14
Additional libraries:

• RUN apk --no-cache add ca-certificates wget
• RUN wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
• RUN wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.30-r0/glibc-2.30-r0.apk
• RUN apk add glibc-2.30-r0.apk
• RUN apk add --no-cache libgomp libstdc++6 libgcc libstdc++ ncurses-libs

Still facing exception:
Caused by: java.io.FileNotFoundException: File /lib/linux-musl/x86_64/libxgboost4j.so was not found inside JAR. at ml.dmlc.xgboost4j.java.NativeLibLoader.createTempFileFromResource(NativeLibLoader.java:298) at ml.dmlc.xgboost4j.java.NativeLibLoader.loadLibraryFromJar(NativeLibLoader.java:241) at ml.dmlc.xgboost4j.java.NativeLibLoader.initXGBoost(NativeLibLoader.java:176) at ml.dmlc.xgboost4j.java.XGBoostJNI.<clinit>(XGBoostJNI.java:34) ... 120 more
Any recommendations?
Can you recommend any other openjdk docker image where XGBoost can run smoothly?

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If you use an image based on RHEL/CentOS/OL or Ubuntu it should use glibc and it'll be fine. In the next version we'll pull in the updated XGBoost with the override, but at the moment it's autodetecting musl and you need to compile XGBoost for musl to make it work.

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Just tried to switch to Ubuntu, I've used the mcr.microsoft.com/openjdk/jdk:17-ubuntu image, but got similar error.
Caused by: [CIRCULAR REFERENCE: java.lang.UnsatisfiedLinkError: /tmp/libxgboost4j8168818628742633668.so: libgomp.so.1: cannot open shared object file: No such file or directory]

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That's because you need OpenMP to get parallelization and the XGBoost binary the developers produce requires it. You can recompile XGBoost without it (and it'll be much slower), or install the libgomp1 package into your docker image.

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@Craigacp thank you!
The following workaround worked for me.

1. Create your image FROM mcr.microsoft.com/openjdk/jdk:17-ubuntu
2. RUN apt-get update && apt-get install -y libgomp1 && rm -rf /var/lib/apt/lists/*

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