Flaky Test SaslAuthenticatorTest#testSslClientAuthRequiredForSaslSslListener

org.opentest4j.AssertionFailedError: expected: <AUTHENTICATION_FAILED> but was: <AUTHENTICATE> at org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:55) at org.junit.jupiter.api.AssertionUtils.failNotEqual(AssertionUtils.java:62) at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:182) at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:177) at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:1124) at org.apache.kafka.common.network.NetworkTestUtils.waitForChannelClose(NetworkTestUtils.java:111) at org.apache.kafka.common.security.authenticator.SaslAuthenticatorTest.createAndCheckClientConnectionFailure(SaslAuthenticatorTest.java:2187) at org.apache.kafka.common.security.authenticator.SaslAuthenticatorTest.createAndCheckSslAuthenticationFailure(SaslAuthenticatorTest.java:2210) at org.apache.kafka.common.security.authenticator.SaslAuthenticatorTest.verifySslClientAuthForSaslSslListener(SaslAuthenticatorTest.java:1846) at org.apache.kafka.common.security.authenticator.SaslAuthenticatorTest.testSslClientAuthRequiredForSaslSslListener(SaslAuthenticatorTest.java:1800)

STDOUT

[2021-02-26 07:18:57,220] ERROR Extensions provided in login context without a token (org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule:318) java.io.IOException: Extensions provided in login context without a token at org.apache.kafka.common.security.oauthbearer.internals.unsecured.OAuthBearerUnsecuredLoginCallbackHandler.handle(OAuthBearerUnsecuredLoginCallbackHandler.java:165) at org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule.identifyToken(OAuthBearerLoginModule.java:316) at org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule.login(OAuthBearerLoginModule.java:301)

[...]

Caused by: org.apache.kafka.common.security.oauthbearer.internals.unsecured.OAuthBearerConfigException: Extensions provided in login context without a token at org.apache.kafka.common.security.oauthbearer.internals.unsecured.OAuthBearerUnsecuredLoginCallbackHandler.handleTokenCallback(OAuthBearerUnsecuredLoginCallbackHandler.java:192) at org.apache.kafka.common.security.oauthbearer.internals.unsecured.OAuthBearerUnsecuredLoginCallbackHandler.handle(OAuthBearerUnsecuredLoginCallbackHandler.java:163) ... 116 more