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Fix/16513 unsafe warning #16636

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Fix/16513 unsafe warning #16636

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754fb83
fix(build): silence sun.misc.Unsafe startup warning from protobuf
fhussonnois Jun 5, 2026
a14fe12
fix(build): silence sun.misc.Unsafe startup warning in dev run
fhussonnois Jun 5, 2026
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5 changes: 4 additions & 1 deletion build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -536,7 +536,10 @@ run.jvmArgs(
"-noverify",
"-XX:TieredStopAtLevel=1",
"-Dcom.sun.management.jmxremote",
'-Dmicronaut.environments=dev,override'
'-Dmicronaut.environments=dev,override',
// Silence the sun.misc.Unsafe memory-access startup warning (JEP 498) triggered by
// com.google.protobuf.UnsafeUtil (pulled in by gRPC), see https://github.com/kestra-io/kestra/issues/16513
'--sun-misc-unsafe-memory-access=allow'
)

/**********************************************************************************************************************\
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6 changes: 5 additions & 1 deletion gradle/jar/selfrun.sh
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Expand Up @@ -23,6 +23,10 @@ esac
# Opens java.lang due to https://github.com/kestra-io/kestra/issues/1755, see https://github.com/micronaut-projects/micronaut-core/issues/9573
JAVA_ADD_OPENS="--add-opens java.base/java.nio=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED"

# Allow sun.misc.Unsafe memory-access (JEP 498) to silence the startup warning triggered by
# com.google.protobuf.UnsafeUtil (pulled in by gRPC), see https://github.com/kestra-io/kestra/issues/16513
JAVA_UNSAFE_MEMORY_ACCESS="--sun-misc-unsafe-memory-access=allow"

# Fix required to use new DucksDB versions along side RocksDB
# https://github.com/kestra-io/plugin-jdbc/issues/165
LIBSTDC="/lib/x86_64-linux-gnu/libstdc++.so.6"
Expand All @@ -35,5 +39,5 @@ fi
KESTRA_JAVA_OPTS="-XX:MaxRAMPercentage=50.0"

# Exec
exec java ${KESTRA_JAVA_OPTS} ${JAVA_OPTS} ${JAVA_ADD_OPENS} --enable-native-access=ALL-UNNAMED -jar "$0" "$@"
exec java ${KESTRA_JAVA_OPTS} ${JAVA_OPTS} ${JAVA_ADD_OPENS} ${JAVA_UNSAFE_MEMORY_ACCESS} --enable-native-access=ALL-UNNAMED -jar "$0" "$@"
exit 127
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