How to handle an exception in an exception block in apache camel

Question

I am trying to handle an exception within apache camel in onException. Can someone guide me if it is possible?

I have written another onException which will handle all Exceptions, but the flow is not transferred to that exception block

onException(SchemaValidationException.class)
        .to("xslt:stylesheet/example/TransformErrorBlock.xsl?saxon=true")
        .log("Validation error in received message, response sent: ${body}")
        .handled(true);

My expectation is if there is an exception in this block, it should be caught in another onException block

Answer 1

你不能这样设计Camel只允许onException块来处理异常，否则当onException A由onException处理时会导致无限循环，这会导致一个新的异常，然后可以再次由onException A处理，所以无尽的循环圈。