[jira] [Created] (CAMEL-6455) Bean component - Calling a bean with method name with () as empty parameter - Better error message if method does not exists

["Claus Ibsen (JIRA)" <ji...@apache.org>]

Claus Ibsen created CAMEL-6455:
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             Summary: Bean component - Calling a bean with method name with () as empty parameter - Better error message if method does not exists
                 Key: CAMEL-6455
                 URL: https://issues.apache.org/jira/browse/CAMEL-6455
             Project: Camel
          Issue Type: Bug
          Components: camel-core
    Affects Versions: 2.11.0
            Reporter: Claus Ibsen
            Assignee: Claus Ibsen
            Priority: Minor
             Fix For: 2.11.1, 2.12.0


Calling a bean from a route like
{code}
                from("direct:start")
                    .to("bean:myBean?method=doSomething()")
                    .to("mock:result");
{code}

Notice the method has () as parameters. Which would refer to a method with no-args. 

But if the method has 1 arg like
{code}
        public static void doSomething(Exchange exchange) {
            exchange.getIn().setHeader("foo", "bar");
        }
{code}

We get this error about some type converter probem
{code}
Caused by: org.apache.camel.NoTypeConversionAvailableException: No type converter available to convert from type: java.lang.String to the required type: org.apache.camel.Exchange with value 
{code}

We should have a better error message.

If removing () then Camel can call the method as it can do parameter matching.

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