I am trying to create unit test case for Kafka with a simple call Properties props =TestUtils.createBrokerConfig(1, TestUtils.choosePort(), true);
It fails on > java.lang.NoSuchMethodError: > scala.Predef$.intWrapper(I)Lscala/runtime/RichInt; > at kafka.utils.TestUtils$.choosePorts(TestUtils.scala:68) > at kafka.utils.TestUtils$.choosePort(TestUtils.scala:79) > at kafka.utils.TestUtils.choosePort(TestUtils.scala) > at > com.ebay.jetstream.event.channel.kafka.test.KafkaTest.getKafkaConfig(KafkaTest.java:31) > at > com.ebay.jetstream.event.channel.kafka.test.KafkaTest.runKafkaTest(KafkaTest.java:22) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59) > at > org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98) > at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79) > at > org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87) > at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77) > at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42) > at > org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88) > at > org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51) > at > org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44) > at > org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27) > at > org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37) > at > org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42) > at > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) > at > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) I also tried: scala.collection.Iterator<Properties> propsI = TestUtils.createBrokerConfigs(1, true).iterator(); Same result. This is a simple call to create kafka server, dont know what is going wrong. -- Regards, Parin