[英]Jupyter notebook gui missing Java kernel
我正在使用以下 docker 将IJava
kernel 用于我的 jupyter 笔记本。
FROM ubuntu:18.04
ARG NB_USER="some-user"
ARG NB_UID="1000"
ARG NB_GID="100"
RUN apt-get update || true && \
apt-get install -y sudo && \
useradd -m -s /bin/bash -N -u $NB_UID $NB_USER && \
chmod g+w /etc/passwd && \
echo "${NB_USER} ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers && \
# Prevent apt-get cache from being persisted to this layer.
rm -rf /var/lib/apt/lists/*
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
apt-get install -y locales && \
sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
dpkg-reconfigure --frontend=noninteractive locales && \
update-locale LANG=en_US.UTF-8
RUN apt-get install -y \
openjdk-11-jdk-headless \
python3-pip git curl unzip
RUN ln -s /usr/bin/python3 /usr/bin/python & \
pip3 install --upgrade pip
RUN pip3 install packaging jupyter ipykernel awscli jaydebeapi
RUN python -m ipykernel install --sys-prefix
# Install Java kernel
RUN mkdir ijava-kernel/ && cd ijava-kernel && curl -LO https://github.com/SpencerPark/IJava/releases/download/v1.3.0/ijava-1.3.0.zip && \
unzip ijava-1.3.0.zip && \
python install.py --sys-prefix && \
rm -rf ijava-kernel/
RUN jupyter kernelspec list
ENV SHELL=/bin/bash
ENV LANG en_US.UTF-8
ENV LC_ALL en_US.UTF-8
ENV JAVA_HOME=/usr/lib/jvm/java-11-openjdk-arm64/
WORKDIR /home/$NB_USER
USER $NB_UID
一旦我在容器内运行 docker 图像:
some-user@023f579253ec:~$ jupyter kernelspec list ─╯
Available kernels:
python3 /usr/local/share/jupyter/kernels/python3
java /usr/share/jupyter/kernels/java
some-user@023f579253ec:~$
此外,还安装了带有 kernel java 的控制台,并且按照 README.md 工作
jupyter console --kernel java
In [2]: String helloWorld = "Hello world!"
In [3]: helloWorld
Out[3]: Hello world!
但是,一旦我运行打开容器内的jupyter notebook
,我只看到 Python3 kernel 而不是 Java。请参阅附图。
谁能帮我把 Java Kernel 添加到 Notebook GUI 中?
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