JShell bootstrap code for loading full application classpath with Maven.

jshell.sh

#!/bin/bash

# Compile if needed.
#mvn package -DskipTests

# Remove Maven logs and trim leading and trailing whitespaces with xargs.
cp=$(mvn -q dependency:build-classpath \
    -DincludeTypes=jar \
    -Dmdep.outputFile=/dev/stderr \
    2>&1 >/dev/null | grep -v -E '(DEBUG|INFO|WARNING)' | xargs)
export CLASSPATH=$cp":target/classes"

# Specify Java code to run at start of JShell.
startUpJavaBootstrap="./bootstrap.jsh"

# Start JShell with full reflexion capabilities.
jshell \
-J--add-opens=java.base/java.lang=ALL-UNNAMED \
-J--illegal-access=permit \
-start DEFAULT \
-start PRINTING \
-start $startUpJavaBootstrap

public static ConfigurableApplicationContext main() {
return SpringApplication.run(DemoApplication.class);
}