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Posted to issues@camel.apache.org by "Bernard Ligny (JIRA)" <ji...@apache.org> on 2016/08/11 08:00:34 UTC

[jira] [Created] (CAMEL-10236) BeanProccessor - method invocation with generics+annotations

Bernard Ligny created CAMEL-10236:
-------------------------------------

             Summary: BeanProccessor - method invocation with generics+annotations
                 Key: CAMEL-10236
                 URL: https://issues.apache.org/jira/browse/CAMEL-10236
             Project: Camel
          Issue Type: Bug
          Components: camel-core
    Affects Versions: 2.17.2
            Reporter: Bernard Ligny
            Priority: Minor


The following code does not work:

{code:java}
public interface Transformer<T> {	
	 public Object convert(T input) throws Exception;
}

public class MyTransformer implements Transformer<InputStream> {
    @Override
    public Object convert(@Body InputStream body) {...}
}


from("direct:foo")
.transform().method(new MyTransformer(), "convert")
.log("${body}");
{code}

Stack trace:
{noformat}
java.lang.ClassCastException: [B cannot be cast to java.io.InputStream
	at net.haulogy.erpgis.esb.transformers.MyTransformer.convert(MyTransformer.java:1)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.camel.component.bean.MethodInfo.invoke(MethodInfo.java:408)
	at org.apache.camel.component.bean.MethodInfo$1.doProceed(MethodInfo.java:279)
	at org.apache.camel.component.bean.MethodInfo$1.proceed(MethodInfo.java:252)
	at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:177)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109)
	at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:68)
	at org.apache.camel.language.bean.BeanExpression$InvokeProcessor.process(BeanExpression.java:211)
	at org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:126)
	at org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:138)
	at org.apache.camel.processor.TransformProcessor.process(TransformProcessor.java:50)
{noformat}



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