Sanitize SBT_OPTS to remove -J prefix from arguments
#309
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Malax
changed the title
SBT_OPTS to remove -J prefix from arguments
runesoerensen
approved these changes
Dec 3, 2025
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When users set
SBT_OPTSwith sbt-style JVM arguments like-J-Xmx1G, the buildpack now automatically removes the-Jprefix before passing them to Java.This fixes issues where users familiar with sbt's command-line syntax would configure
SBT_OPTS=-J-Xmx1G -J-Xms512m, which would fail because the buildpack invokes Java directly rather than using sbt's launcher script.This is a temporary solution. In the future, we'll migrate to using the official sbt runner script, which will handle the
-Jprefix natively and eliminate the need for this sanitization. (#308)GUS-W-20413045