Carbon snapshot: SingleFeatureTest is failing

Full log here [0], stack trace copied:

Running org.opendaylight.odlparent.featuretest.SingleFeatureTest
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.036 sec <<< FAILURE! - in org.opendaylight.odlparent.featuretest.SingleFeatureTest
initializationError(org.opendaylight.odlparent.featuretest.SingleFeatureTest) Time elapsed: 0.007 sec <<< ERROR!
org.ops4j.pax.exam.TestContainerException: java.lang.reflect.InvocationTargetException
at org.ops4j.pax.exam.spi.reactors.ReactorManager.prepareReactor(ReactorManager.java:187)
at org.ops4j.pax.exam.junit.impl.ProbeRunner.<init>(ProbeRunner.java:78)
at org.ops4j.pax.exam.junit.PaxExam.createDelegate(PaxExam.java:82)
at org.ops4j.pax.exam.junit.PaxExam.<init>(PaxExam.java:73)
at org.opendaylight.odlparent.featuretest.PerFeatureRunner.<init>(PerFeatureRunner.java:56)
at org.opendaylight.odlparent.featuretest.PerRepoTestRunner.runnersFromFeatures(PerRepoTestRunner.java:119)
at org.opendaylight.odlparent.featuretest.PerRepoTestRunner.runnersFromRepoUrl(PerRepoTestRunner.java:98)
at org.opendaylight.odlparent.featuretest.PerRepoTestRunner.runnersFromRepoUrl(PerRepoTestRunner.java:90)
at org.opendaylight.odlparent.featuretest.PerRepoTestRunner.<init>(PerRepoTestRunner.java:58)
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.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:29)
at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:21)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:26)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.ops4j.pax.exam.spi.reactors.ReactorManager.addConfigurationsToReactor(ReactorManager.java:238)
at org.ops4j.pax.exam.spi.reactors.ReactorManager.prepareReactor(ReactorManager.java:184)
... 25 more
Caused by: java.lang.NoSuchMethodError: org.slf4j.spi.LocationAwareLogger.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V
at shaded.org.eclipse.aether.internal.impl.slf4j.Slf4jLoggerFactory$Slf4jLoggerEx.debug(Slf4jLoggerFactory.java:167)
at shaded.org.eclipse.aether.internal.impl.DefaultLocalRepositoryProvider.newLocalRepositoryManager(DefaultLocalRepositoryProvider.java:116)
at shaded.org.eclipse.aether.internal.impl.DefaultRepositorySystem.newLocalRepositoryManager(DefaultRepositorySystem.java:421)
at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.createSession(AetherBasedResolver.java:884)
at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.newSession(AetherBasedResolver.java:865)
at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:640)
at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:598)
at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:576)
at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:550)
at org.ops4j.pax.url.mvn.internal.Connection.getInputStream(Connection.java:123)
at java.net.URL.openStream(URL.java:1045)
at org.opendaylight.odlparent.featuretest.SingleFeatureTest.standardKarafFeatures(SingleFeatureTest.java:180)
at org.opendaylight.odlparent.featuretest.SingleFeatureTest.config(SingleFeatureTest.java:135)
... 31 more

Odlparent should have made sure an appropriate backend for SLF4J is always present, no idea what mechanism makes that whiff.

This prevents merges to Cardinal and threatens inclusion of Cardinal in autorelease.

[0] https://logs.opendaylight.org/releng/jenkins092/cardinal-integration-carbon/218/console.log.gz