Newbie strugging with Hello World

[michaelfranz]

I've spend several hours trying to get the simplest possible Java app working using Gradle (Kotlin). API keys are in place, as are all the requisite dependencies as far as I can tell. I've taken a long hard look at 'embabel-agent-examples', which uses Maven and seems to get away with listing very few dependencies. Having failed with the minimal list, I added additional dependencies to no avail.

The app builds yet bombs on startup with the message:

[main] ERROR SpringApplication - Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'autonomy' defined in URL [jar:file:/xxxx/xxxx/.gradle/caches/modules-2/files-2.1/com.embabel.agent/embabel-agent-api/0.1.3-SNAPSHOT/cbfe1c5755a5e6ae2b49dbf9b9a4d18e02845d77/embabel-agent-api-0.1.3]
:
:
: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'modelProvider' defined in class path resource [com/embabel/agent/config/AgentPlatformConfiguration.class]: Failed to instantiate [com.embabel.common.ai.model.ModelProvider]: Factory method 'modelProvider' threw exception with message: Default LLM 'gpt-4.1-mini' not found in available models: []

Here is some log output (which precedes the above, which may or may not be relevant, I can't tell:

   OpenAiAutoConfiguration matched:
      - @ConditionalOnClass found required class 'org.springframework.ai.openai.api.OpenAiApi' (OnClassCondition)

   OpenAiAutoConfiguration#openAiChatModel matched:
      - @ConditionalOnProperty (spring.ai.openai.chat.enabled=true) matched (OnPropertyCondition)
      - @ConditionalOnMissingBean (types: org.springframework.ai.openai.OpenAiChatModel; SearchStrategy: all) did not find any beans (OnBeanCondition).     <---  IS THIS SIGNIFICANT?

Here are the application.properties:

spring.application.name=embabel-experiments-shell

spring.shell.interactive.enabled=true
spring.profiles.active=cli

embabel.models.default-llm=gpt-4.1-mini
embabel.models.llms.cheapest=gpt-4.1-nano
embabel.models.llms.best=gpt-5
embabel.shell.chat.model=gpt-4.1-mini

# Define available LLMs for Embabel keyed by actual model names
embabel.models.llms.gpt-4.1-mini.model=gpt-4.1-mini
embabel.models.llms.gpt-4.1-mini.temperature=0.7
embabel.models.llms.gpt-4.1-nano.model=gpt-4.1-nano

And here's an extract from the Gradle build file (one of countless failed attempts):

val embabelVersion = "0.1.3-SNAPSHOT"

dependencies {
    implementation(enforcedPlatform("org.springframework.ai:spring-ai-bom:1.0.0-M6"))
    implementation("org.springframework.boot:spring-boot-starter")

    implementation("com.embabel.example:examples-common:${embabelVersion}")
    implementation("org.springframework.shell:spring-shell-standard:3.4.0")
    implementation("com.embabel.agent:embabel-agent-starter:${embabelVersion}")
    implementation("com.embabel.agent:embabel-agent-starter-shell:${embabelVersion}")
    implementation("com.embabel.agent:embabel-agent-api:${embabelVersion}")

    implementation("org.springframework.ai:spring-ai-openai-spring-boot-starter")

    testImplementation("com.embabel.agent:embabel-agent-test:${embabelVersion}")
    testImplementation("org.springframework.boot:spring-boot-starter-test:3.5.7")

    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
}

I want to stress that the env var OPENAI_API_KEY is definitely set when the app runs. No question about this.

If someone can point out the error here, or provide a working Gradle build file (if that's the problem) I would be most grateful.

[johnsonr]

Do you have the Embabel openai starter as a dependency? Maven example:

 <dependency>
    <groupId>com.embabel.agent</groupId>
    <artifactId>embabel-agent-starter-openai</artifactId>
    <version>${embabel-agent.version}</version>
</dependency>