Springboot Gradle Open Telemetry dependency error

Question

I have a Java 17, SpringBoot with gradle application, and I'm trying to add dependencies for opentelemetry instrumentation. I am getting java.lang.ClassNotFoundException: io.opentelemetry.api.incubator.events.EventLoggerProvider error when running ./gradlew composedown clean cleandocker assemble dockerbuild composeup.

My libs.versions.toml file:

# Once you will upgrade spring boot version all those dependencies will be updated accordingly
[versions]
flagsmithStarterVersion = "0.2.69"
featureFlagsJavaClientVersion = "0.3.85"
common-platform = "6.0.563"
webjars-bootsrap = "5.3.3"
springdoc-openapi = "2.6.0"
login-filter = "50.243"
logback-encoder = "8.0"
guava = "33.3.1-jre"
kjobster = "2.7.160"
jaxb = "2.3.1"
mysql-connector = "8.0.33"
jooq-codegen = "3.19.11"
aws-sdk-version = "2.30.13"
javaxAnnotation = "1.3.2"

[libraries]
spring-context = { module = "org.springframework:spring-context" }
spring-boot-kafka = { module = "org.springframework.kafka:spring-kafka"}
spring-boot-starter-jdbc = { module = "org.springframework.boot:spring-boot-starter-jdbc" }
spring-boot-starter-data-jdbc = { module = "org.springframework.boot:spring-boot-starter-data-jdbc" }
spring-boot-starter-web = { module = "org.springframework.boot:spring-boot-starter-web" }
spring-boot-starter-jooq = { module = "org.springframework.boot:spring-boot-starter-jooq" }
jooq-codegen = { module = "org.jooq:jooq-codegen", version.ref="jooq-codegen" }
spring-boot-starter-thymeleaf = { module = "org.springframework.boot:spring-boot-starter-thymeleaf" }
spring-boot-starter-security = { module = "org.springframework.boot:spring-boot-starter-security" }
spring-boot-starter-actuator = { module = "org.springframework.boot:spring-boot-starter-actuator" }
spring-boot-devtools = { module = "org.springframework.boot:spring-boot-devtools" }
spring-boot-configuration-processor = { module = "org.springframework.boot:spring-boot-configuration-processor" }
spring-aspects = { module = "org.springframework:spring-aspects" }
liquibase = { module = "org.liquibase:liquibase-core" }
commons-pool2 = { module = "org.apache.commons:commons-pool2" }
commons-lang3 = { module = "org.apache.commons:commons-lang3" }
micrometer-registry-statsd = { module = "io.micrometer:micrometer-registry-statsd" }
datadog-utils = { module = "com.kenshoo:datadog-utils", version.ref = "common-platform" }
aws-credentials-provider = { module = "com.kenshoo:aws-credentials-provider", version.ref = "common-platform" }
webjars-bootstrap = { module = "org.webjars:bootstrap", version.ref = "webjars-bootsrap" }
springdoc-openapi-starter = { module = "org.springdoc:springdoc-openapi-starter-webmvc-ui", version.ref = "springdoc-openapi" }
kenshoo-ssofilter-spring = { module = "com.kenshoo.ls:ssofilter-spring", version.ref = "login-filter" }
logback-encoder = { module = "net.logstash.logback:logstash-logback-encoder", version.ref = "logback-encoder" }
guava = { module = "com.google.guava:guava", version.ref = "guava" }
kjobster = { module = "com.kenshoo:kjobster", version.ref = "kjobster" }
dropwizard-metrics-core = { module = "io.dropwizard.metrics:metrics-core" }
jaxb-api = { module = "javax.xml.bind:jaxb-api", version.ref = "jaxb" }
jaxb-runtime = { module = "org.glassfish.jaxb:jaxb-runtime", version.ref = "jaxb" }
lombok = { module = "org.projectlombok:lombok" }
mysql-connector-java = { module = "mysql:mysql-connector-java", version.ref="mysql-connector" }

awsBedrockAgent = { module = "software.amazon.awssdk:bedrockagent", version.ref = "aws-sdk-version" }
awsBedrockAgentRuntime = { module = "software.amazon.awssdk:bedrockagentruntime", version.ref = "aws-sdk-version" }
awsBedrockRuntime = { module = "software.amazon.awssdk:bedrockruntime", version.ref = "aws-sdk-version" }
awsNettyNioClient = { module = "software.amazon.awssdk:netty-nio-client", version.ref = "aws-sdk-version" }
awsSts = { module = "software.amazon.awssdk:sts",  version.ref = "aws-sdk-version" }
awsSdkS3 = { group = "software.amazon.awssdk", name = "s3", version.ref = "aws-sdk-version" }
awsSdkS3TransferManager = { group = "software.amazon.awssdk", name = "s3-transfer-manager", version.ref = "aws-sdk-version" }

reportApiEntities = { module = "com.kenshoo:flat-view-public-api-entities", version = "latest.integration" }
flatViewCommon = { module = "com.kenshoo:flat-view-common", version = "latest.integration" }

openPlatformApiModel = { module = "com.kenshoo:open-platform", version = "5.1.427" }
jacksonDatabind = { module = "com.fasterxml.jackson.core:jackson-databind", version = "2.15.0" }
springWeb = { module = "org.springframework:spring-web"}
springRetry = { module = "org.springframework.retry:spring-retry", version = "2.0.10" }
jakartaAnnotation = { module = "jakarta.annotation:jakarta.annotation-api", version = "3.0.0" }
jwt-decoder = { module = "com.auth0:java-jwt", version = "4.4.0" }
javaxAnnotation = { group = "javax.annotation", name = "javax.annotation-api", version.ref = "javaxAnnotation" }
javaCsv = { module = "net.sourceforge.javacsv:javacsv", version = "2.0" }
flagsmithStarter = { module = "io.skai.feature.flag:feature-flags-spring-boot-starter", version.ref = "flagsmithStarterVersion"}
featureFlagsJavaClient = { module = "io.skai.feature.flag:feature-flags-java-client", version.ref = "featureFlagsJavaClientVersion"}

otelSpringBootStarted = {module = "io.opentelemetry.instrumentation:opentelemetry-spring-boot-starter"}
otelIncubator = {module = "io.opentelemetry:opentelemetry-api-incubator", version = "1.48.0-alpha"}

My main build.gradle file:

apply plugin: 'docker-compose'
...
buildscript {
    ext {
        springBootVersion = '3.3.4'
        springCloudVersion = '2023.0.3'
        dependencyManagementPluginVersion = '1.1.6'
        dockerComposePluginVersion = '0.17.8'
        gradleTasksPluginVersion = '0.1.29'
        vaultkaPluginVersion = '0.2.39'
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
        classpath("io.spring.gradle:dependency-management-plugin:${dependencyManagementPluginVersion}")
        classpath "com.avast.gradle:gradle-docker-compose-plugin:${dockerComposePluginVersion}"
        classpath "com.kenshoo.tasksplugin:gradle-tasks-plugin:${gradleTasksPluginVersion}"
        classpath "com.kenshoo.vaultkaplugin:vaultka-gradle-plugin:${vaultkaPluginVersion}"
        classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:5.1.0.4882"
    }
    configurations.classpath {
        resolutionStrategy.activateDependencyLocking()
    }
...
dependencies {
    implementation project(path: ':my-module')
}
...
subprojects {
    apply plugin: 'java'
    apply plugin: 'idea'
    apply plugin: 'io.spring.dependency-management'

   ...

    java {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }
...
dependencyManagement {
        imports {
            mavenBom "org.springframework.boot:spring-boot-dependencies:${springBootVersion}"
            mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"
            mavenBom "io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom:2.14.0"
        }
    }

My my my-module/build.gradle:

plugins {
    id 'java'
}
repositories {
    mavenCentral()
}

dependencies {
    compileOnly libs.lombok
    annotationProcessor libs.lombok

    implementation libs.featureFlagsJavaClient
    implementation libs.awsSdkS3
    implementation libs.awsSdkS3TransferManager
    implementation libs.awsBedrockAgent
    implementation libs.awsBedrockAgentRuntime
    implementation libs.awsBedrockRuntime
    implementation libs.awsNettyNioClient
    implementation libs.awsSts
    implementation dependencies.create(libs.aws.credentials.provider.get()) {
        exclude group: 'org.apache.commons', module: 'commons-lang'
    }
    implementation libs.spring.context
    implementation libs.jacksonDatabind
    implementation libs.springWeb
    implementation libs.springRetry
    implementation libs.jakartaAnnotation
    implementation libs.micrometer.registry.statsd

    implementation libs.otelSpringBootStarted
    implementation libs.otelIncubator

    implementation project(path: ':chat-executor-api')
    testImplementation platform('org.junit:junit-bom:5.9.1')
    testImplementation 'org.junit.jupiter:junit-jupiter'
}

I tried to use a lower version of opentelemetry-spring-boot-starter and opentelemetry-api-incubator, or to remove the opentelemetry-api-incubator dependency, but nothing helped... When checking if the incubator dependency was added I can see that it exists in the dependencies tree (io.opentelemetry:opentelemetry-api-incubator:1.48.0-alpha).

Any idea?

Erik Finnman · Accepted Answer · 2025-04-11 13:19:12Z

0

I haven't dug into the details of these dependencies, but I got the exact same error as you. Turns out that 2.15.0 was just released (2025-04-11) and using that version the error is gone for me:

dependencyManagement {
    imports {
        mavenBom("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom:2.15.0")
    }
}
dependencies {
    implementation("io.opentelemetry.instrumentation:opentelemetry-spring-boot-starter")
...

answered Apr 11 at 13:19

Erik Finnman

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Comments

chipiik · Accepted Answer · 2025-04-16 11:41:35Z

FYI: this incubator api (io.opentelemetry.api.incubator.events ) has been dropped in v1.47.0 (https://github.com/open-telemetry/opentelemetry-java/releases/tag/v1.47.0)

The problem is, that when one use newest spring-boot-dependencies:3.4.3, this defines otel dependencies v1.43.0. But, when you also use newest opentelemetry-spring-boot-starter:2.15.0, this brings otel dependencies v1.49.0. This can result in incompatible dependencies in various versions.

I've (temporarily?) resolved it by overriding version from spring-boot-dependencies:

ext {
    // necessary because of incompatibility of spring-boot-dependencies:3.4.3 and opentelemetry-spring-boot-starter:2.15.0
    set("opentelemetry.version", "1.49.0")
}

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