Jason Gustafson created KAFKA-7799: -------------------------------------- Summary: Fix flaky test RestServerTest.testCORSEnabled Key: KAFKA-7799 URL: https://issues.apache.org/jira/browse/KAFKA-7799 Project: Kafka Issue Type: Test Components: KafkaConnect Reporter: Jason Gustafson
Starting to see this failure quite a lot, locally and on jenkins: {code} org.apache.kafka.connect.runtime.rest.RestServerTest.testCORSEnabled Failing for the past 7 builds (Since Failed#18600 ) Took 0.7 sec. Error Message java.lang.AssertionError: expected:<http://bar.com> but was:<null> Stacktrace java.lang.AssertionError: expected:<http://bar.com> but was:<null> at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.failNotEquals(Assert.java:834) at org.junit.Assert.assertEquals(Assert.java:118) at org.junit.Assert.assertEquals(Assert.java:144) at org.apache.kafka.connect.runtime.rest.RestServerTest.checkCORSRequest(RestServerTest.java:221) at org.apache.kafka.connect.runtime.rest.RestServerTest.testCORSEnabled(RestServerTest.java:84) 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.junit.internal.runners.TestMethod.invoke(TestMethod.java:68) at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:326) at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:89) at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97) {code} If it helps, I see an uncaught exception in the stdout: {code} [2019-01-08 19:35:23,664] ERROR Uncaught exception in REST call to /connector-plugins/FileStreamSource/validate (org.apache.kafka.connect.runtime.rest.errors.ConnectExceptionMapper:61) javax.ws.rs.NotFoundException: HTTP 404 Not Found at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:274) at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272) at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268) at org.glassfish.jersey.internal.Errors.process(Errors.java:316) at org.glassfish.jersey.internal.Errors.process(Errors.java:298) at org.glassfish.jersey.internal.Errors.process(Errors.java:268) at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289) at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256) at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703) {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)