[ https://issues.apache.org/jira/browse/CAMEL-9710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tomas Rohovsky reassigned CAMEL-9710: ------------------------------------- Assignee: Tomas Rohovsky > Camel Dozer Component - Fails to load custom function due to NPE > ----------------------------------------------------------------- > > Key: CAMEL-9710 > URL: https://issues.apache.org/jira/browse/CAMEL-9710 > Project: Camel > Issue Type: Bug > Components: camel-dozer > Affects Versions: 2.16.1 > Environment: Any > Reporter: Ranjit Nethi > Assignee: Tomas Rohovsky > Priority: Minor > > Camel Dozer component throws NPE, when using custom converter as shown in the > following example. > <mapping> > <class-a>org.example.A</class-a> > <class-b>org.example.B</class-b> > <field custom-converter-id="_customMapping" > custom-converter-param="org.example.CustomMapper,mapCustomer"> > <a>sourceField</a> > <b>destinationField</b> > </field> > </mapping> > When the sourceField value is null in the Class A,Fails to load custom > function and throws RuntimeException caused due to NPE. > Issue with Code: ( > ------------------------ > Class: CustomMapper > Method: invokeFunction > Line# 117 > Object customObj; > Method method = null; > try { > Class<?> customClass = resolver.resolveClass(className); > customObj = customClass.newInstance(); > // If a specific mapping operation has been supplied use that > if (operation != null && prmTypesAndValues != null) { > method = selectMethod(customClass, operation, source, > prmTypesAndValues); > } else if (operation != null) { > method = customClass.getMethod(operation, source.getClass()); > // ***** THIS LINE CAUSES NPE, as source is NULL */ > } else { > method = selectMethod(customClass, source); > } > } catch (Exception e) { > throw new RuntimeException("Failed to load custom function", e); > } > StackTrace: > ------------------- > java.lang.RuntimeException: Failed to load custom function > at > org.apache.camel.component.dozer.CustomMapper.mapCustom(CustomMapper.java:122) > at > org.apache.camel.component.dozer.CustomMapper.convert(CustomMapper.java:46) > at > org.dozer.MappingProcessor.mapUsingCustomConverterInstance(MappingProcessor.java:977) > at org.dozer.MappingProcessor.mapFromFieldMap(MappingProcessor.java:355) > at org.dozer.MappingProcessor.mapField(MappingProcessor.java:307) > at org.dozer.MappingProcessor.map(MappingProcessor.java:267) > at org.dozer.MappingProcessor.mapToDestObject(MappingProcessor.java:216) > at > org.dozer.MappingProcessor.createByCreationDirectiveAndMap(MappingProcessor.java:196) > at org.dozer.MappingProcessor.mapGeneral(MappingProcessor.java:170) > at org.dozer.MappingProcessor.map(MappingProcessor.java:104) > at org.dozer.MappingProcessor.map(MappingProcessor.java:99) > at org.dozer.DozerBeanMapper.map(DozerBeanMapper.java:120) > at > org.apache.camel.component.dozer.DozerProducer.process(DozerProducer.java:82) > at > org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61) > at > org.apache.camel.processor.SendProcessor.process(SendProcessor.java:141) > at > org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77) > at > org.apache.camel.processor.interceptor.HandleFaultInterceptor.process(HandleFaultInterceptor.java:42) > at > org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:91) > at > org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:460) > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190) > at org.apache.camel.processor.Pipeline.process(Pipeline.java:121) > at org.apache.camel.processor.Pipeline.process(Pipeline.java:83) > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190) > at > org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62) > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190) > at > org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109) > at > org.apache.camel.processor.UnitOfWorkProducer.process(UnitOfWorkProducer.java:68) > at > org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:412) > at > org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:380) > at > org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:270) > at > org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:380) > at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:221) > at > org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:124) > at > org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:137) > at > org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:144) > at > com.ta.shop.integration.routes.doz.DozerJsonTest.testDozerHappyPath(DozerJsonTest.java:23) > 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.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.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.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:459) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) > Caused by: java.lang.NullPointerException > at > org.apache.camel.component.dozer.CustomMapper.mapCustom(CustomMapper.java:117) -- This message was sent by Atlassian JIRA (v6.3.4#6332)