Since we're on a major migration process of this website, some component documents here are out of sync right now. In the meantime you may want to look at the asciidoc in the repository:

Why is the exception null when I use onException?

If you use onException to handle exceptions, such as shown below:

Then make notice that because you use handled(true), then the caused exception is no longer available from exchange.getException(), because we told Camel that we will handle the exception.

Instead you can access the caused exception from a property on the exchange with the key Exchange.EXCEPTION_CAUGT, as shown below:

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