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Samebug tips

  1. ,
    Expert tip

    Flow files only know how to work with Spring Beans, annotate ManagedBean with @Component('serviceProviderSubscriptionBB') or declare the managed bean directly on flow with <var name="serviceProviderSubscriptionBB" class="the full name of your class"/>

  2. ,
    Expert tip

    If you're not using an embedded servlet container, try do disable the white label in your application.properties, with "server.error.whitelabel.enabled = false" otherwise check this answer on stackoverflow: https://goo.gl/rG0vKE

Solutions on the web

via Spring JIRA by Ilayaperumal Gopinathan, 1 year ago
via Spring JIRA by Ilayaperumal Gopinathan, 2 years ago
via Stack Overflow by Abdul Gaffar Khan
, 1 year ago
Expression evaluation failed: @componentInfoMetadataStore.get(payload.id) == null; nested exception is java.lang.NullPointerException, failedMessage=GenericMessage [payload=com.deere.componentdatafiles.domain.ComponentInfo@4f31c4d6, headers
via GitHub by smishra
, 2 years ago
Expression evaluation failed: #jsonPath(payload,'$.predictedStatus').contains('poor')
via Spring JIRA by Franz Neumann, 2 years ago
Expression evaluation failed: payload.site
via Spring JIRA by Franz Neumann, 1 year ago
Expression evaluation failed: payload.site
org.springframework.expression.spel.SpelEvaluationException: EL1008E:(pos 0): Property or field 'mytest1' cannot be found on object of type 'org.springframework.messaging.support.GenericMessage' - maybe not public?	at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:215)	at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:85)	at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:78)	at org.springframework.expression.spel.ast.SpelNodeImpl.getTypedValue(SpelNodeImpl.java:114)	at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:111)	at org.springframework.integration.util.AbstractExpressionEvaluator.evaluateExpression(AbstractExpressionEvaluator.java:159)	at org.springframework.integration.util.AbstractExpressionEvaluator.evaluateExpression(AbstractExpressionEvaluator.java:119)	at org.springframework.integration.handler.ExpressionEvaluatingMessageProcessor.processMessage(ExpressionEvaluatingMessageProcessor.java:76)	at org.springframework.integration.amqp.outbound.AmqpOutboundEndpoint.handleRequestMessage(AmqpOutboundEndpoint.java:196)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:170)	at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:78)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)	at org.springframework.integration.monitor.SimpleMessageHandlerMetrics.handleMessage(SimpleMessageHandlerMetrics.java:106)	at org.springframework.integration.monitor.SimpleMessageHandlerMetrics.invoke(SimpleMessageHandlerMetrics.java:86)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)	at com.sun.proxy.$Proxy109.handleMessage(Unknown Source)	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:255)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:223)	at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)	at org.springframework.integration.monitor.DirectChannelMetrics.monitorSend(DirectChannelMetrics.java:113)	at org.springframework.integration.monitor.DirectChannelMetrics.doInvoke(DirectChannelMetrics.java:97)	at org.springframework.integration.monitor.DirectChannelMetrics.invoke(DirectChannelMetrics.java:91)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)	at com.sun.proxy.$Proxy54.send(Unknown Source)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:114)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:44)	at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:93)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.sendMessage(AbstractReplyProducingMessageHandler.java:260)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.sendReplyMessage(AbstractReplyProducingMessageHandler.java:241)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.produceReply(AbstractReplyProducingMessageHandler.java:205)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleResult(AbstractReplyProducingMessageHandler.java:199)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:177)	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:255)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:223)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:114)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:44)	at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:93)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.sendMessage(AbstractReplyProducingMessageHandler.java:260)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.sendReplyMessage(AbstractReplyProducingMessageHandler.java:241)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.produceReply(AbstractReplyProducingMessageHandler.java:205)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleResult(AbstractReplyProducingMessageHandler.java:199)	at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:177)	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:255)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:223)	at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)	at org.springframework.integration.monitor.DirectChannelMetrics.monitorSend(DirectChannelMetrics.java:113)	at org.springframework.integration.monitor.DirectChannelMetrics.doInvoke(DirectChannelMetrics.java:97)	at org.springframework.integration.monitor.DirectChannelMetrics.invoke(DirectChannelMetrics.java:91)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)	at com.sun.proxy.$Proxy111.send(Unknown Source)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:114)	at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:44)	at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:93)	at org.springframework.integration.endpoint.MessageProducerSupport.sendMessage(MessageProducerSupport.java:98)	at org.springframework.integration.x.http.NettyHttpInboundChannelAdapter.access$300(NettyHttpInboundChannelAdapter.java:69)	at org.springframework.integration.x.http.NettyHttpInboundChannelAdapter$Handler.messageReceived(NettyHttpInboundChannelAdapter.java:168)	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)	at org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:43)	at org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:67)	at org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor$ChildExecutor.run(OrderedMemoryAwareThreadPoolExecutor.java:314)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:744)