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Posted to issues@camel.apache.org by "Tomas Rohovsky (JIRA)" <ji...@apache.org> on 2016/03/15 20:51:33 UTC
[jira] [Assigned] (CAMEL-9710) Camel Dozer Component - Fails to
load custom function due to NPE
[ 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)
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