Question 112052 in Ubuntu Question posted in
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Ubuntu – ERROR: Cannot determine JDK version, please set $JAVA_HOME.n $JAVAC_VERSION is "javac 11.0.16"

I am using Linux aarch64 machine. I use miniconda3 and create a virtual environment in miniconda3. I want to install tensorflow using bazel. Therefore I first download the bazel zip file.

When I run the compile.sh file after extracting the zip file of "bazel", I got the following error

INFO: You can skip this first step by providing a path to the bazel binary as second argument:
INFO:    ./compile.sh compile /path/to/bazel
🍃  Building Bazel from scratch
ERROR: Cannot determine JDK version, please set $JAVA_HOME.n $JAVAC_VERSION is "javac 11.0.16"

When I search Java version ,
java --version
I got this

openjdk version "11.0.16" 2022-07-19
OpenJDK Runtime Environment (build 11.0.16+8-post-Ubuntu-0ubuntu120.04)
OpenJDK 64-Bit Server VM (build 11.0.16+8-post-Ubuntu-0ubuntu120.04, mixed mode)

May I know how can I solve the issue?
When I check echo $JAVA_HOME", I got nothing. Do I also need to set JAVAC_VERSION? If yes, may I know how can I set both Java_home and javac_version?
Thank you.

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3

Answers


  1. Chosen as BEST ANSWER
    0

    Thank you @Philip for your input and advice.

    The issue is solved by:

    1. ls -l /etc/alternatives/java gives etc/alternatives/java -> /usr/lib/jvm/java-11-openjdk-arm64/

    2. vim /etc/profile

    3. Press I

    4. Add

      export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-arm64/bin/java

export PATH=$JAVA_HOME/bin:$PATH

    5. Reboot the os. source /etc/profile


  2. 0

    Try to set up an Environment Variable. Google "how to install JDK 8." You can get better answers there

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  3. 0

    It seems like you didn’t set JAVA_HOME environment variable

    Please check here to manually setup environment variables.

    Here you should set export JAVA_HOME=<java_path>

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