Can't install Java 11 into Streamlit

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1

My app uses a Java 11-based tool to run in the background. My ‘packages.txt’ used to have openjdk-11-jdk and the app deploys perfectly with Java 11 just about a week ago. Upon checking today, my app doesn’t work anymore because apparently the streamlit terminal now outputs:
E: Unable to locate package openjdk-11-jdk

I have tried searching for solutions. default-jdk and default-jre essentially installs Java 17 which is not of use to me.

2

The operating system in Streamlit Cloud is Debian Stable, that dropped Java 11 in June 2023.

3

Thanks for the explanation. How can I get a workaround for this?

Sorry if I sound dumb: Can I request the admins to add Java 11 as part of the server by doing add-apt-repository ppa:linuxuprising/java as a default to the server’s operating system?

4

Sorry I have no idea.

Probably your best bet is finding a scriptable method of installation then doesn’t require root access. Or maybe updating your java tool would be less work than that.

5

Thank you so much for your idea. I solved this problem by

  • changing my packages.txt to have wget
  • manually downloading JAVA 11 using wget and extracting it through os.system()
  • setting JAVA_HOME and java in PATH environment through os.environ
  • caching the function using st.cache_data or st.cache_resource so that the whole procedure run only once

Now, I essentially have JAVA 11. Hope this helps anyone who wants to install a dependency not within apt install.

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