[CAMEL-7294] Simple Language - Accessing hashCode

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 2.12.3
• Estimated Complexity: Unknown
• Assignee: Willem Jiang
• Reporter: Alan Foster
• Created: 14/Mar/14 03:17
• Updated: 17/Sep/19 04:39
• Resolved: 14/Mar/14 07:06

Description

With the following blueprint route

    <camelContext trace="false" xmlns="http://camel.apache.org/schema/blueprint">
        <route>
            <from uri="direct:entry"/>

            <setBody>
                <simple>Hello World</simple>
            </setBody>

            <log message="The current body is :: ${body}" />

            <setBody>
                <simple>${body.hashCode}</simple>
            </setBody>

            <log message="The id hashcode is : ${body}" />

        </route>
    </camelContext>

The following exception occurs

org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[Message: Hello World]
	at org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1379)
	at org.apache.camel.util.ExchangeHelper.extractResultBody(ExchangeHelper.java:622)
	at org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:467)
	at org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:463)
	at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:139)
	at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:144)
	at camel.SimpleEqualsTest.testRoute(SimpleEqualsTest.java:30)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runners.Suite.runChild(Suite.java:127)
	at org.junit.runners.Suite.runChild(Suite.java:26)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:202)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:65)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to invoke method: .hashCode on null due to: org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to invoke method: hashCode on null due to: org.apache.camel.component.bean.MethodNotFoundException: Method with name: hashCode not found on bean: Hello World of type: java.lang.String. Exchange[Message: Hello World]
	at org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:117)
	at org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:132)
	at org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:121)
	at org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:113)
	at org.apache.camel.builder.ExpressionBuilder$33.evaluate(ExpressionBuilder.java:821)
	at org.apache.camel.support.ExpressionAdapter.evaluate(ExpressionAdapter.java:36)
	at org.apache.camel.builder.SimpleBuilder.evaluate(SimpleBuilder.java:83)
	at org.apache.camel.processor.SetBodyProcessor.process(SetBodyProcessor.java:46)
	at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)
	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
	at org.apache.camel.processor.Pipeline.process(Pipeline.java:118)
	at org.apache.camel.processor.Pipeline.process(Pipeline.java:80)
	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
	at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:51)
	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
	at org.apache.camel.processor.UnitOfWorkProducer.process(UnitOfWorkProducer.java:73)
	at org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:378)
	at org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:346)
	at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:242)
	at org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:346)
	at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:184)
	at org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:124)
	at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:137)
	... 41 more
Caused by: org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to invoke method: hashCode on null due to: org.apache.camel.component.bean.MethodNotFoundException: Method with name: hashCode not found on bean: Hello World of type: java.lang.String. Exchange[Message: Hello World]
	at org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:285)
	at org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:114)
	... 63 more
Caused by: org.apache.camel.component.bean.MethodNotFoundException: Method with name: hashCode not found on bean: Hello World of type: java.lang.String. Exchange[Message: Hello World]
	at org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:264)
	at org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:180)
	at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:148)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:105)
	at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:67)
	at org.apache.camel.language.bean.BeanExpression$InvokeProcessor.process(BeanExpression.java:189)
	at org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:281)
	... 64 more

Issue Links

• is related to: CAMEL-7262 IAE with calling String.replaceAll via simple expression in Karaf