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Samebug tips

  1. ,

    You need to set the type property in your bean XML file. <property name="targetType" value="some value" />

  2. ,
    Expert tip

    If you're using boot 1.4.x you need to modify the @springBootTest annotation to @SpringBootTest(classes = DataFlowServerConfiguration.class). 1.3.8 doesn't have this problem as well.

Solutions on the web

via Spring JIRA by David Turanski, 1 year ago
failed to send Message to channel 'null'; nested exception is java.lang.IllegalStateException: ThreadPoolTaskExecutor not initialized
via Spring JIRA by David Turanski, 2 years ago
failed to send Message to channel 'null'; nested exception is java.lang.IllegalStateException: ThreadPoolTaskExecutor not initialized
via GitHub by cinqs
, 1 year ago
failed to send Message to channel 'input'; nested exception is java.lang.IllegalArgumentException: payload must not be null
via Stack Overflow by dholtz
, 9 months ago
failed to send Message to channel 'output'; nested exception is org.springframework.web.client.HttpClientErrorException: 404 Not Found , failedMessage=GenericMessage [payload={"projectNumber": "ABC123", "clientName": "TEST_CLIENT", "programTheme
via Stack Overflow by Michael Hegner
, 2 months ago
failed to send Message to channel 'basedata.csv.income.sorting.channel'; nested exception is java.lang.ClassCastException: org.springframework.integration.channel.PriorityChannel$MessageWrapper cannot be cast to java.io.File, failedMessage
via Stack Overflow by Lorenzo Von Matterhorn
, 1 year ago
failed to send Message to channel 'mockServerOne.inbound'; nested exception is java.util.ConcurrentModificationException
java.lang.IllegalStateException: ThreadPoolTaskExecutor not initialized	at org.springframework.util.Assert.state(Assert.java:385)	at org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor.getThreadPoolExecutor(ThreadPoolTaskExecutor.java:221)	at org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor.execute(ThreadPoolTaskExecutor.java:252)	at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:89)	at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:277)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:239)	at org.springframework.xd.dirt.integration.bus.local.LocalMessageBus$3.handleMessage(LocalMessageBus.java:262)	at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116)	at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:101)	at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:97)	at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:277)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:239)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:115)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:45)	at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:95)	at org.springframework.integration.handler.AbstractMessageProducingHandler.sendOutput(AbstractMessageProducingHandler.java:248)	at org.springframework.integration.handler.AbstractMessageProducingHandler.produceOutput(AbstractMessageProducingHandler.java:171)	at org.springframework.integration.handler.AbstractMessageProducingHandler.sendOutputs(AbstractMessageProducingHandler.java:119)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:105)	at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:78)	at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116)	at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:101)	at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:97)	at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:277)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:239)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:115)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:45)	at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:95)	at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:85)	at org.springframework.batch.integration.partition.MessageChannelPartitionHandler.handle(MessageChannelPartitionHandler.java:224)	at org.springframework.batch.core.partition.support.PartitionStep.doExecute(PartitionStep.java:106)	at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:198)	at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:148)	at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:64)	at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:67)	at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:165)	at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:144)	at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:134)	at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:304)	at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:135)	at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:50)	at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:128)	at org.springframework.batch.integration.x.RemoteFileToHadoopTests.testSimple(RemoteFileToHadoopTests.java:161)	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:483)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:73)	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:73)	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:217)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:83)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:68)	at org.springframework.xd.test.HostNotWindowsRule$1.evaluate(HostNotWindowsRule.java:38)	at org.junit.rules.RunRules.evaluate(RunRules.java:20)	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:163)	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211)	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67)	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:483)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)