Hi Luskasz, So this could be that the TagData class is in the blueprint bundle and the Camel bundle ? And that’s why this error is happening? Etienne > Le 11 mai 2020 à 14:06, Łukasz Dywicki a écrit : > > Hey Etienne, > This problem is likely to happen if you have two implementations of EIP > driver at the same time. Java distinguish classes also by class laoder. > If you have the same class loaded from two different classloaders - then > you will experience troubles like "class A is not instance of A" as well > as "A can not be cast to A". > > Good luck, > Łukasz > > >> On 11.05.2020 11:59, Etienne Robinet wrote: >> Hello guys, >> I've been trying to use the Scraper with the Camel component. I tried to run a test code in Karaf but I get this error: >> https://i.imgur.com/ABAWJ8l.png >> >> The TagData class is used to store the Alias, Query and Values of the tags we want to read. In order to use it with the Scraper, I need a Map with the aliases and queries. So I added this static method: >> https://i.imgur.com/CxplPOr.png >> >> And as you can see it fails at line 121. If anyone has a clue how to solve this, it would be very helpful! :) >> >> Etienne >>