Databricks Apps based on Streamlit could not find a valid JAVA_HOME installation

Bakkie
New Contributor III

‎02-13-2025 06:25 AM

We are launching our first Databricks Apps based on Streamlit.

The App works when simply running the notebook in our workspace, but fails after deployment due to "could not find a valid JAVA_HOME installation" when running in the system environment.

We tried setting the below environment variables via the app.yaml file (as suggested by the Assistant):

env:
- name: "JNAME"
value: "zulu17-ca-amd64"
- name: "JAVA_HOME"
value: "/usr/lib/jvm/zulu-17-ca-amd64"

Any help is much appreciated!

alan-nousot
Databricks Partner

‎04-04-2025 08:21 AM

any update on this? Currently running into the issue of java_home not being set for pyspark

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Bakkie
New Contributor III

‎10-24-2025 04:56 AM

We solved this by not using pyspark and spark.sql(query) and instead using the databricks package

Bakkie_0-1761306719549.png

 

View solution in original post

NandiniN
Databricks Employee
Databricks Employee

‎10-24-2025 06:49 AM

Databricks Apps (which use a lightweight, container-based runtime) do not automatically include JVM, best is to use the databricks package to not have dependency issues.

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