Jacob Jona Fahlenkamp created FLINK-38587:
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Summary: docker entrypoint script cannot handle FLINK_PROPERTIES
that include spaces
Key: FLINK-38587
URL: https://issues.apache.org/jira/browse/FLINK-38587
Project: Flink
Issue Type: Bug
Affects Versions: 1.20.3
Reporter: Jacob Jona Fahlenkamp
Attachments: docker-compose.yml
Steps to reproduce:
# Download the file [^docker-compose.yml]
# Run with
{code:java}
docker compose up{code}
# In the output you can see the whitespaces have been stripped from the
options.
{code:java}
jobmanager-1 | WARNING: Unknown module: ALL-UNNAMED--enable-preview specified
to --add-opens {code}
Cause:
The following entrypoint script removes all spaces in each line. Probably the
intention was just to strip the spaces from the start and beginning of the
line. It happens in this line:
https://github.com/apache/flink-docker/blob/master/1.20/scala_2.12-java17-ubuntu/docker-entrypoint.sh#L111C11-L111C47
Potential solution:
Replace the line
{code:java}
prop=$(echo $prop | tr -d '[:space:]') {code}
with the following:
{code:java}
prop=$(echo "$prop" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//'){code}
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