[CAMEL-20700] camel-core: ReflectionHelper.setField may fail for numeric type fields - ASF JIRA

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Originally reported here:

If you use @PropertyInject like:

public class Foo {
    @PropertyInject(value = "1")
    private Integer bar;
}

Then you get an exception like:

java.lang.UnsupportedOperationException: Cannot inject value of class: class java.lang.Integer into: private java.lang.Integer

The original exception is swallowed, but it's something like:

IllegalArgumentException: Can not set java.lang.Integer field to int(1)

You can't use Field.setInt etc where the field type is not a primitive. You have to use Field.set in that case.

Maybe it's related to this change: