java.lang.IllegalArgumentException: object is not an instance of declaring class

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  • Works both for me, but not together: Encountered an error executing the step: class java.lang.IllegalArgumentException: Unable to invoke method: [public void XXXReader.beforeStep(org.springframework.batch.core.StepExecution)] on object: [XXXReader@8b567c] with arguments: [[StepExecution: id=0, name=writeDatasheetXml, status=STARTED, exitStatus=EXECUTING, readCount=0, filterCount=0, writeCount=0 readSkipCount=0, writeSkipCount=0, commitCount=0, rollbackCount=0, exitDescription=]] java.lang.IllegalArgumentException: Unable to invoke method: [public void XXXReader.beforeStep(org.springframework.batch.core.StepExecution)] on object: [XXXReader@8b567c] with arguments: [[StepExecution: id=0, name=XXX, status=STARTED, exitStatus=EXECUTING, readCount=0, filterCount=0, writeCount=0 readSkipCount=0, writeSkipCount=0, commitCount=0, rollbackCount=0, exitDescription=]] at org.springframework.batch.support.SimpleMethodInvoker.invokeMethod(SimpleMethodInvoker.java:97) at org.springframework.batch.core.listener.MethodInvokerMethodInterceptor.invoke(MethodInvokerMethodInterceptor.java:68) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy18.beforeStep(Unknown Source) at org.springframework.batch.core.listener.CompositeStepExecutionListener.beforeStep(CompositeStepExecutionListener.java:76) at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:193) at org.springframework.batch.core.job.AbstractJob.handleStep(AbstractJob.java:348) at org.springframework.batch.core.job.flow.FlowJob.access$100(FlowJob.java:43) at org.springframework.batch.core.job.flow.FlowJob$JobFlowExecutor.executeStep(FlowJob.java:137) at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60) at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:144) at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:124) at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:105) at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:250) at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:110) at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:49) at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:105) at org.springframework.batch.core.launch.support.CommandLineJobRunner.start(CommandLineJobRunner.java:207) at org.springframework.batch.core.launch.support.CommandLineJobRunner.main(CommandLineJobRunner.java:254) Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.batch.support.SimpleMethodInvoker.invokeMethod(SimpleMethodInvoker.java:95) ... 19 more
    via by Jörg Gottschling,
    • java.lang.IllegalArgumentException: object is not an instance of declaring class at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:618) at org.springframework.core.annotation.AnnotationUtils.getAnnotationAttributes(AnnotationUtils.java:283)

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