druid/examples/bin/run-java

#!/bin/bash -eu

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#
#   http://www.apache.org/licenses/LICENSE-2.0
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WHEREAMI="$(dirname "$0")"
JAVA_BIN="$(source "$WHEREAMI"/java-util && get_java_bin_dir)/java"
if [ -z "$JAVA_BIN" ]; then
  >&2 echo "Could not find java - please run $WHEREAMI/verify-java to confirm it is installed."
  exit 1
fi

JAVA_MAJOR="$("$JAVA_BIN" -version 2>&1 | sed -n -E 's/.* version "([^."]*).*/\1/p')"

if [ "$JAVA_MAJOR" != "" ] && [ "$JAVA_MAJOR" -ge "17" ]
then
  # Must disable strong encapsulation for certain packages on Java 17.
  # The last one is required for metric emit, see https://github.com/apache/druid/issues/12312
  exec "$JAVA_BIN" \
    --add-exports=java.base/jdk.internal.misc=ALL-UNNAMED \
    --add-exports=java.base/jdk.internal.ref=ALL-UNNAMED \
    --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED \
    --add-opens=java.base/java.nio=ALL-UNNAMED \
    --add-opens=java.base/sun.nio.ch=ALL-UNNAMED \
    --add-opens=java.base/java.io=ALL-UNNAMED \
    --add-opens=java.base/java.lang=ALL-UNNAMED \
    --add-opens=jdk.management/com.sun.management.internal=ALL-UNNAMED \
    "$@"
elif [ "$JAVA_MAJOR" != "" ] && [ "$JAVA_MAJOR" -ge "11" ]
then
  # The first 4 parameters below are required to use datasketches-memory as a library.
  # And the last one is required for metric emit, see https://github.com/apache/druid/issues/12312
  exec "$JAVA_BIN" \
    --add-exports=java.base/jdk.internal.misc=ALL-UNNAMED \
    --add-exports=java.base/jdk.internal.ref=ALL-UNNAMED \
    --add-opens=java.base/java.nio=ALL-UNNAMED \
    --add-opens=java.base/sun.nio.ch=ALL-UNNAMED \
    --add-opens=jdk.management/com.sun.management.internal=ALL-UNNAMED \
    "$@"
else
  exec "$JAVA_BIN" "$@"
fi