Achilles Junit: NoClassDefFoundError: com/codahale/metrics/JmxReporter

Spring Boot 2.1, Cassandra driver 3.6.0, achilles-junit 6.0.0

I use achilles-junit as embedded Cassandra in spring boot test cases. But after upgrade from Spring boot 2.0 to 2.1 the tests fail with an exception:

java.lang.NoClassDefFoundError: com/codahale/metrics/JmxReporter
	at com.datastax.driver.core.Metrics.<init>(Metrics.java:146)
	at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1501)
	at com.datastax.driver.core.Cluster.init(Cluster.java:208)
	at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376)
	at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355)
	at com.datastax.driver.core.Cluster.connect(Cluster.java:305)
	at info.archinnov.achilles.embedded.AchillesInitializer.initializeFromParameters(AchillesInitializer.java:62)
	at info.archinnov.achilles.embedded.CassandraEmbeddedServer.<init>(CassandraEmbeddedServer.java:64)
	at info.archinnov.achilles.embedded.CassandraEmbeddedServerBuilder.buildServer(CassandraEmbeddedServerBuilder.java:535)
	at info.archinnov.achilles.junit.AchillesTestResource.buildServer(AchillesTestResource.java:141)
	at info.archinnov.achilles.junit.AchillesTestResource.<init>(AchillesTestResource.java:118)
	at info.archinnov.achilles.junit.AchillesTestResourceBuilder.build(AchillesTestResourceBuilder.java:216)
	at com.platincoin.gidra.oauth.server.CassandraEmbeddedIntegrationTest.embeddedCassandra(CassandraEmbeddedIntegrationTest.java:86)
	at com.platincoin.gidra.oauth.server.CassandraEmbeddedIntegrationTest.<init>(CassandraEmbeddedIntegrationTest.java:46)
	at com.platincoin.gidra.oauth.server.OAtuh2TokenReceivingTest.<init>(OAtuh2TokenReceivingTest.java:20)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.junit.runners.BlockJUnit4ClassRunner.createTest(BlockJUnit4ClassRunner.java:217)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:226)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)

The application starts without any errors. Library metrics-core is exist in classpath (v.4.0.3).

[doanduyhai]

Achilles 6.0.1 released, will be available in a few hours on Maven Central

[timtebeek]

That’s a shame, but thanks for helping walk through the issue…

For now our workaround is downgrading dropwizard metrics through:

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.2.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>achilles-issue-353</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <properties>
        <dropwizard-metrics.version>3.2.6</dropwizard-metrics.version>
    </properties>

Note that this, for now, seems to only way of using Spring Boot 2.1 that I could find, so it might be of use for others that stumble upon this issue.