2025-09-03-javazone-bootiful-spring-ai-with-legend-james-ward

Hi, Spring fans! In this installment I'm joined by the legendary James Ward, AWS developer adovcate extraordinaire and friend to all

intro

• hard to find the right demo
• petclinic, peanut, prancer
• start.spring.io
• java 25!
• java.. scripts!

dogs

• no program would be complete without a hello world. BeanRegistrar used to register applicationRunner that prints hello world.
• beanregistrar - show ApplicationRunner
• api version api for retreiving dogs v1 and v2
• virtual threads
  • recovering reactives. it's very good.
• graalvm
• resource server
• "who let the dogs out?"

auth

• passkeys
• ott
• oauth
• auth server

gateway

• gateway
• oauth client
• ui

dogs

• filter the dogs on Principal.name

assistant

• Spring AI 1.0 Blogs
• bedrock !!
• assistant
  • make sure controller response is a Map
• rag
• prompt
• tools
• mcp client for scheduler
• mcp client for google calendar

scheduler

• scheduler

Setup

1. AWS Console & API Keys
2. Database
3. UI

cd ui
python3 -m http.server 8020

docker compose up

PGPASSWORD=secret psql -Umyuser -dmydatabase -hlocalhost -fdata.sql

cd dogs
./mvnw spring-boot:run

cd auth
./mvnw spring-boot:run

cd gateway
./mvnw spring-boot:run

cd scheduler
./mvnw spring-boot:run

export SPRING_AI_BEDROCK_AWS_ACCESS_KEY=<YOURS>
export SPRING_AI_BEDROCK_AWS_SECRET_KEY=<YOURS>
cd assistant
./mvnw spring-boot:run

http://127.0.0.1:8081/