[ https://issues.apache.org/jira/browse/KAFKA-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mehrdad Karami resolved KAFKA-14431. ------------------------------------ Resolution: Fixed Saw already fixed in truck branch > TopologyTestDriver instantiation raised NPE in JUnit5 > ----------------------------------------------------- > > Key: KAFKA-14431 > URL: https://issues.apache.org/jira/browse/KAFKA-14431 > Project: Kafka > Issue Type: Bug > Reporter: Mehrdad Karami > Priority: Minor > > > Library: *kafka-streams* > Version: *3.3.1* > Framework: *spring-boot:2.7.6* > Defining the following code in JUnit5 test method: > > {code:java} > try (final TopologyTestDriver testDriver = new TopologyTestDriver(sb.build(), > streamProps)) { > } > {code} > The test *passes* with following {*}{color:#FF0000}errors{color}{*}: > > > {code:java} > java.lang.NullPointerException: Cannot invoke > "org.apache.kafka.streams.processor.api.ProcessorSupplier.get()" because > "this.processorSupplier" is null > at > org.apache.kafka.streams.kstream.internals.graph.ProcessorParameters.toString(ProcessorParameters.java:133) > at java.base/java.lang.String.valueOf(String.java:3365) > at java.base/java.lang.StringBuilder.append(StringBuilder.java:169) > at > org.apache.kafka.streams.kstream.internals.graph.ProcessorGraphNode.toString(ProcessorGraphNode.java:52) > at > org.slf4j.helpers.MessageFormatter.safeObjectAppend(MessageFormatter.java:277) > at > org.slf4j.helpers.MessageFormatter.deeplyAppendParameter(MessageFormatter.java:249) > at > org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:211) > at > org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:161) > at > ch.qos.logback.classic.spi.LoggingEvent.getFormattedMessage(LoggingEvent.java:293) > at > ch.qos.logback.classic.spi.LoggingEvent.prepareForDeferredProcessing(LoggingEvent.java:206) > at > ch.qos.logback.core.OutputStreamAppender.subAppend(OutputStreamAppender.java:223) > at > ch.qos.logback.core.OutputStreamAppender.append(OutputStreamAppender.java:102) > at > ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(UnsynchronizedAppenderBase.java:84) > at > ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:51) > at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:270) > at ch.qos.logback.classic.Logger.callAppenders(Logger.java:257) > at > ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:421) > at ch.qos.logback.classic.Logger.filterAndLog_2(Logger.java:414) > at ch.qos.logback.classic.Logger.debug(Logger.java:490) > at > org.apache.kafka.streams.kstream.internals.InternalStreamsBuilder.buildAndOptimizeTopology(InternalStreamsBuilder.java:293) > at org.apache.kafka.streams.StreamsBuilder.build(StreamsBuilder.java:628) > at org.apache.kafka.streams.StreamsBuilder.build(StreamsBuilder.java:613) > at > com.metao.book.order.kafka.OrderStreamTest.shouldAggregateRecord(OrderStreamTest.java:35) > at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native > Method) > at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) > at > java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.base/java.lang.reflect.Method.invoke(Method.java:567) > at > org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725) > at > org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) > at > org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149) > at > org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140) > at > org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84) > at > org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115) > at > org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) > at > org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) > at > org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) > at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) > at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) > at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) > at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) > at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) > at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) > at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) > at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) > at > org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) > at > org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) > at > org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) > at > org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) > at > org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) > at > org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) > at > com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) > at > com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) > at > com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) > at > com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) > at > com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) > at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54){code} > *Acceptance Criteria:* > Manage to check for nullability > -- This 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